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Determination of the number of light neutrino species from single photon production at LEP

A determination of the number of light neutrino families performed by measuring the cross section of single photon production in \ee\ collision near the \Zo\ resonance is reported. From an integrated luminosity of $100~\mathrm{pb^{-1}}$, collected during the years 1991--94, we have observed 2091 sin...

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Detalles Bibliográficos
Autores principales:	Acciarri, M, Adriani, O, Aguilar-Benítez, M, Ahlen, S P, Alcaraz, J, Alemanni, G, Allaby, James V, Aloisio, A, Alviggi, M G, Ambrosi, G, Anderhub, H, Andreev, V P, Angelescu, T, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Baksay, L, Ball, R C, Banerjee, S, Banerjee, Sw, Banicz, K, Barczyk, A, Barillère, R, Barone, L, Bartalini, P, Baschirotto, A, Basile, M, Battiston, R, Bay, A, Becattini, F, Becker, U, Behner, F, Berdugo, J, Berges, P, Bertucci, B, Betev, B L, Bhattacharya, S, Biasini, M, Biland, A, Bilei, G M, Bizzarri, R, Blaising, J J, Blyth, S C, Bobbink, Gerjan J, Böck, R K, Böhm, A, Boldizsar, L, Borgia, B, Bourilkov, D, Bourquin, Maurice, Boutigny, D, Braccini, S, Branson, J G, Brigljevic, V, Brock, I C, Buffini, A, Buijs, A, Burger, J D, Burger, W J, Busenitz, J K, Cai, X D, Campanelli, M, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A M, Casaus, J, Castellini, G, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada-Canales, M, Cesaroni, F, Chamizo-Llatas, M, Chang, Y H, Chaturvedi, U K, Chekanov, S V, Chemarin, M, Chen, A, Chen, G, Chen, G M, Chen, H F, Chen, H S, Chen, M, Chiefari, G, Chien, C Y, Cifarelli, Luisa, Cindolo, F, Civinini, C, Clare, I, Clare, R, Cohn, H O, Coignet, G, Colijn, A P, Colino, N, Costantini, S, Cotorobai, F, de la Cruz, B, Csilling, Akos, Dai, T S, D'Alessandro, R, De Asmundis, R, Degré, A, Deiters, K, Denes, P, De Notaristefani, F, DiBitonto, Daryl, Diemoz, M, Van Dierendonck, D N, Di Lodovico, F, Dionisi, C, Dittmar, Michael, Dominguez, A, Doria, A, Dova, M T, Drago, E, Duchesneau, D, Duinker, P, Durán, I, Dutta, S, Easo, S, Efremenko, Yu V, El-Mamouni, H, Engler, A, Eppling, F J, Erné, F C, Ernenwein, J P, Extermann, Pierre, Fabre, M, Faccini, R, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, Marta, Fenyi, B, Ferguson, T, Ferroni, F, Fesefeldt, H S, Fiandrini, E, Field, J H, Filthaut, Frank, Fisher, P H, Fisk, I, Forconi, G, Fredj, L, Freudenreich, Klaus, Furetta, C, Galaktionov, Yu, Ganguli, S N, García-Abia, P, Gau, S S, Gentile, S, Gerald, J, Gheordanescu, N, Giagu, S, Goldfarb, S, Goldstein, J, Gong, Z F, Gougas, Andreas, Gratta, Giorgio, Grünewald, M W, Gupta, V K, Gurtu, A, Gutay, L J, Haas, D, Hartmann, B, Hasan, A, Hatzifotiadou, D, Hebbeker, T, Hervé, A, Hirschfelder, J, Van Hoek, W C, Hofer, H, Hoorani, H, Hou, S R, Hu, G, Innocente, Vincenzo, Jenkes, K, Jin, B N, Jones, L W, de Jong, P, Josa-Mutuberria, I, Kasser, A, Khan, R A, Kamrad, D, Kamyshkov, Yu A, Kapustinsky, J S, Karyotakis, Yu, Kaur, M, Kienzle-Focacci, M N, Kim, D, Kim, D H, Kim, J K, Kim, S C, Kinnison, W W, Kirkby, A, Kirkby, D, Kirkby, Jasper, Kiss, D, Kittel, E W, Klimentov, A, König, A C, Kopp, A, Korolko, I, Koutsenko, V F, Krämer, R W, Krenz, W, Kunin, A, Lacentre, P E, Ladrón de Guevara, P, Landi, G, Lapoint, C, Lassila-Perini, K M, Laurikainen, P, Lavorato, A, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Lee, H J, Leggett, C, Le Goff, J M, Leiste, R, Leonardi, E, Levchenko, P M, Li Chuan, Lin, C H, Lin, W T, Linde, Frank L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, W, Lü, Y S, Lübelsmeyer, K, Luci, C, Luckey, D, Luminari, L, Lustermann, W, Ma Wen Gan, Maity, M, Majumder, G, Malgeri, L, Malinin, A, Maña, C, Mangeol, D J J, Mangla, S, Marchesini, P A, Marin, A, Martin, J P, Marzano, F, Massaro, G G G, McNally, D, Mele, S, Merola, L, Meschini, M, Metzger, W J, Von der Mey, M, Mi, Y, Migani, D, Mihul, A, Van Mil, A J W, Milcent, H, Mirabelli, G, Mnich, J, Molnár, P, Monteleoni, B, Moore, R, Moulik, T, Mount, R, Muheim, F, Muijs, A J M, Nahn, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Niessen, T, Nippe, A, Nisati, A, Nowak, H, Oh, Yu D, Opitz, H, Organtini, G, Ostonen, R, Palit, S, Palomares, C, Pandoulas, D, Paoletti, S, Paolucci, P, Park, H K, Park, I H, Pascale, G, Passaleva, G, Patricelli, S, Paul, T, Pauluzzi, M, Paus, C, Pauss, Felicitas, Peach, D, Pei, Y J, Pensotti, S, Perret-Gallix, D, Petersen, B, Petrak, S, Pevsner, A, Piccolo, D, Pieri, M, Piroué, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pozhidaev, V, Postema, H, Produit, N, Prokofev, D, Prokofiev, D O, Quartieri, J, Rahal-Callot, G, Raja, N, Rancoita, P G, Rattaggi, M, Raven, G, Razis, P A, Read, K, Ren, D, Rescigno, M, Reucroft, S, Van Rhee, T, Riemann, S, Riles, K, Rind, O, Robohm, A, Rodin, J, Roe, B P, Romero, L, Rosier-Lees, S, Rosselet, P, Van Rossum, W, Roth, S, Rubio, Juan Antonio, Ruschmeier, D, Rykaczewski, H, Salicio, J, Sánchez, E, Sanders, M P, Sarakinos, M E, Sarkar, S, Sauvage, G, Schäfer, C, Shchegelskii, V, Schmidt-Kärst, S, Schmitz, D, Schneegans, M, Scholz, N, Schopper, Herwig Franz, Schotanus, D J, Schwenke, J, Schwering, G, Sciacca, C, Sciarrino, D, Servoli, L, Shevchenko, S, Shivarov, N, Shoutko, V, Shukla, J, Shumilov, E, Shvorob, A V, Siedenburg, T, Son, D, Soulimov, V, Smith, B, Spillantini, P, Steuer, M, Stickland, D P, Stone, H, Stoyanov, B, Strässner, A, Sudhakar, K, Sultanov, G G, Sun, L Z, Susinno, G F, Suter, H, Swain, J D, Tang, X W, Tauscher, Ludwig, Taylor, L, Ting, Samuel C C, Ting, S M, Tonwar, S C, Tóth, J, Tully, C, Tuchscherer, H, Tung, K L, Uchida, Y, Ulbricht, J, Uwer, U, Valente, E, Vesztergombi, G, Vetlitskii, I, Viertel, Gert M, Vivargent, M, Vlachos, S, Völkert, R, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Vorvolakos, A, Wadhwa, M, Wallraff, W, Wang, J C, Wang, X L, Wang, Z M, Weber, A, Wu, S X, Wynhoff, S, Xu, J, Xu, Z Z, Yang, B Z, Yang, C G, Yao, X Y, Ye, J B, Yeh, S C, You, J M, Zalite, A, Zalite, Yu, Zemp, P, Zeng, Y, Zhang, Z, Zhang, Z P, Zhou, B, Zhou, Y, Zhu, G Y, Zhu, R Y, Zichichi, Antonino, Ziegler, F
Lenguaje:	eng
Publicado:	1998
Materias:	Particle Physics - Experiment
Acceso en línea:	https://dx.doi.org/10.1016/S0370-2693(98)00519-X http://cds.cern.ch/record/347842

_version_	1780892021963096064
author	Acciarri, M Adriani, O Aguilar-Benítez, M Ahlen, S P Alcaraz, J Alemanni, G Allaby, James V Aloisio, A Alviggi, M G Ambrosi, G Anderhub, H Andreev, V P Angelescu, T Anselmo, F Arefev, A Azemoon, T Aziz, T Bagnaia, P Baksay, L Ball, R C Banerjee, S Banerjee, Sw Banicz, K Barczyk, A Barillère, R Barone, L Bartalini, P Baschirotto, A Basile, M Battiston, R Bay, A Becattini, F Becker, U Behner, F Berdugo, J Berges, P Bertucci, B Betev, B L Bhattacharya, S Biasini, M Biland, A Bilei, G M Bizzarri, R Blaising, J J Blyth, S C Bobbink, Gerjan J Böck, R K Böhm, A Boldizsar, L Borgia, B Bourilkov, D Bourquin, Maurice Boutigny, D Braccini, S Branson, J G Brigljevic, V Brock, I C Buffini, A Buijs, A Burger, J D Burger, W J Busenitz, J K Cai, X D Campanelli, M Capell, M Cara Romeo, G Carlino, G Cartacci, A M Casaus, J Castellini, G Cavallari, F Cavallo, N Cecchi, C Cerrada-Canales, M Cesaroni, F Chamizo-Llatas, M Chang, Y H Chaturvedi, U K Chekanov, S V Chemarin, M Chen, A Chen, G Chen, G M Chen, H F Chen, H S Chen, M Chiefari, G Chien, C Y Cifarelli, Luisa Cindolo, F Civinini, C Clare, I Clare, R Cohn, H O Coignet, G Colijn, A P Colino, N Costantini, S Cotorobai, F de la Cruz, B Csilling, Akos Dai, T S D'Alessandro, R De Asmundis, R Degré, A Deiters, K Denes, P De Notaristefani, F DiBitonto, Daryl Diemoz, M Van Dierendonck, D N Di Lodovico, F Dionisi, C Dittmar, Michael Dominguez, A Doria, A Dova, M T Drago, E Duchesneau, D Duinker, P Durán, I Dutta, S Easo, S Efremenko, Yu V El-Mamouni, H Engler, A Eppling, F J Erné, F C Ernenwein, J P Extermann, Pierre Fabre, M Faccini, R Falciano, S Favara, A Fay, J Fedin, O Felcini, Marta Fenyi, B Ferguson, T Ferroni, F Fesefeldt, H S Fiandrini, E Field, J H Filthaut, Frank Fisher, P H Fisk, I Forconi, G Fredj, L Freudenreich, Klaus Furetta, C Galaktionov, Yu Ganguli, S N García-Abia, P Gau, S S Gentile, S Gerald, J Gheordanescu, N Giagu, S Goldfarb, S Goldstein, J Gong, Z F Gougas, Andreas Gratta, Giorgio Grünewald, M W Gupta, V K Gurtu, A Gutay, L J Haas, D Hartmann, B Hasan, A Hatzifotiadou, D Hebbeker, T Hervé, A Hirschfelder, J Van Hoek, W C Hofer, H Hoorani, H Hou, S R Hu, G Innocente, Vincenzo Jenkes, K Jin, B N Jones, L W de Jong, P Josa-Mutuberria, I Kasser, A Khan, R A Kamrad, D Kamyshkov, Yu A Kapustinsky, J S Karyotakis, Yu Kaur, M Kienzle-Focacci, M N Kim, D Kim, D H Kim, J K Kim, S C Kinnison, W W Kirkby, A Kirkby, D Kirkby, Jasper Kiss, D Kittel, E W Klimentov, A König, A C Kopp, A Korolko, I Koutsenko, V F Krämer, R W Krenz, W Kunin, A Lacentre, P E Ladrón de Guevara, P Landi, G Lapoint, C Lassila-Perini, K M Laurikainen, P Lavorato, A Lebeau, M Lebedev, A Lebrun, P Lecomte, P Lecoq, P Le Coultre, P Lee, H J Leggett, C Le Goff, J M Leiste, R Leonardi, E Levchenko, P M Li Chuan Lin, C H Lin, W T Linde, Frank L Lista, L Liu, Z A Lohmann, W Longo, E Lu, W Lü, Y S Lübelsmeyer, K Luci, C Luckey, D Luminari, L Lustermann, W Ma Wen Gan Maity, M Majumder, G Malgeri, L Malinin, A Maña, C Mangeol, D J J Mangla, S Marchesini, P A Marin, A Martin, J P Marzano, F Massaro, G G G McNally, D Mele, S Merola, L Meschini, M Metzger, W J Von der Mey, M Mi, Y Migani, D Mihul, A Van Mil, A J W Milcent, H Mirabelli, G Mnich, J Molnár, P Monteleoni, B Moore, R Moulik, T Mount, R Muheim, F Muijs, A J M Nahn, S Napolitano, M Nessi-Tedaldi, F Newman, H Niessen, T Nippe, A Nisati, A Nowak, H Oh, Yu D Opitz, H Organtini, G Ostonen, R Palit, S Palomares, C Pandoulas, D Paoletti, S Paolucci, P Park, H K Park, I H Pascale, G Passaleva, G Patricelli, S Paul, T Pauluzzi, M Paus, C Pauss, Felicitas Peach, D Pei, Y J Pensotti, S Perret-Gallix, D Petersen, B Petrak, S Pevsner, A Piccolo, D Pieri, M Piroué, P A Pistolesi, E Plyaskin, V Pohl, M Pozhidaev, V Postema, H Produit, N Prokofev, D Prokofiev, D O Quartieri, J Rahal-Callot, G Raja, N Rancoita, P G Rattaggi, M Raven, G Razis, P A Read, K Ren, D Rescigno, M Reucroft, S Van Rhee, T Riemann, S Riles, K Rind, O Robohm, A Rodin, J Roe, B P Romero, L Rosier-Lees, S Rosselet, P Van Rossum, W Roth, S Rubio, Juan Antonio Ruschmeier, D Rykaczewski, H Salicio, J Sánchez, E Sanders, M P Sarakinos, M E Sarkar, S Sauvage, G Schäfer, C Shchegelskii, V Schmidt-Kärst, S Schmitz, D Schneegans, M Scholz, N Schopper, Herwig Franz Schotanus, D J Schwenke, J Schwering, G Sciacca, C Sciarrino, D Servoli, L Shevchenko, S Shivarov, N Shoutko, V Shukla, J Shumilov, E Shvorob, A V Siedenburg, T Son, D Soulimov, V Smith, B Spillantini, P Steuer, M Stickland, D P Stone, H Stoyanov, B Strässner, A Sudhakar, K Sultanov, G G Sun, L Z Susinno, G F Suter, H Swain, J D Tang, X W Tauscher, Ludwig Taylor, L Ting, Samuel C C Ting, S M Tonwar, S C Tóth, J Tully, C Tuchscherer, H Tung, K L Uchida, Y Ulbricht, J Uwer, U Valente, E Vesztergombi, G Vetlitskii, I Viertel, Gert M Vivargent, M Vlachos, S Völkert, R Vogel, H Vogt, H Vorobev, I Vorobyov, A A Vorvolakos, A Wadhwa, M Wallraff, W Wang, J C Wang, X L Wang, Z M Weber, A Wu, S X Wynhoff, S Xu, J Xu, Z Z Yang, B Z Yang, C G Yao, X Y Ye, J B Yeh, S C You, J M Zalite, A Zalite, Yu Zemp, P Zeng, Y Zhang, Z Zhang, Z P Zhou, B Zhou, Y Zhu, G Y Zhu, R Y Zichichi, Antonino Ziegler, F
author_facet	Acciarri, M Adriani, O Aguilar-Benítez, M Ahlen, S P Alcaraz, J Alemanni, G Allaby, James V Aloisio, A Alviggi, M G Ambrosi, G Anderhub, H Andreev, V P Angelescu, T Anselmo, F Arefev, A Azemoon, T Aziz, T Bagnaia, P Baksay, L Ball, R C Banerjee, S Banerjee, Sw Banicz, K Barczyk, A Barillère, R Barone, L Bartalini, P Baschirotto, A Basile, M Battiston, R Bay, A Becattini, F Becker, U Behner, F Berdugo, J Berges, P Bertucci, B Betev, B L Bhattacharya, S Biasini, M Biland, A Bilei, G M Bizzarri, R Blaising, J J Blyth, S C Bobbink, Gerjan J Böck, R K Böhm, A Boldizsar, L Borgia, B Bourilkov, D Bourquin, Maurice Boutigny, D Braccini, S Branson, J G Brigljevic, V Brock, I C Buffini, A Buijs, A Burger, J D Burger, W J Busenitz, J K Cai, X D Campanelli, M Capell, M Cara Romeo, G Carlino, G Cartacci, A M Casaus, J Castellini, G Cavallari, F Cavallo, N Cecchi, C Cerrada-Canales, M Cesaroni, F Chamizo-Llatas, M Chang, Y H Chaturvedi, U K Chekanov, S V Chemarin, M Chen, A Chen, G Chen, G M Chen, H F Chen, H S Chen, M Chiefari, G Chien, C Y Cifarelli, Luisa Cindolo, F Civinini, C Clare, I Clare, R Cohn, H O Coignet, G Colijn, A P Colino, N Costantini, S Cotorobai, F de la Cruz, B Csilling, Akos Dai, T S D'Alessandro, R De Asmundis, R Degré, A Deiters, K Denes, P De Notaristefani, F DiBitonto, Daryl Diemoz, M Van Dierendonck, D N Di Lodovico, F Dionisi, C Dittmar, Michael Dominguez, A Doria, A Dova, M T Drago, E Duchesneau, D Duinker, P Durán, I Dutta, S Easo, S Efremenko, Yu V El-Mamouni, H Engler, A Eppling, F J Erné, F C Ernenwein, J P Extermann, Pierre Fabre, M Faccini, R Falciano, S Favara, A Fay, J Fedin, O Felcini, Marta Fenyi, B Ferguson, T Ferroni, F Fesefeldt, H S Fiandrini, E Field, J H Filthaut, Frank Fisher, P H Fisk, I Forconi, G Fredj, L Freudenreich, Klaus Furetta, C Galaktionov, Yu Ganguli, S N García-Abia, P Gau, S S Gentile, S Gerald, J Gheordanescu, N Giagu, S Goldfarb, S Goldstein, J Gong, Z F Gougas, Andreas Gratta, Giorgio Grünewald, M W Gupta, V K Gurtu, A Gutay, L J Haas, D Hartmann, B Hasan, A Hatzifotiadou, D Hebbeker, T Hervé, A Hirschfelder, J Van Hoek, W C Hofer, H Hoorani, H Hou, S R Hu, G Innocente, Vincenzo Jenkes, K Jin, B N Jones, L W de Jong, P Josa-Mutuberria, I Kasser, A Khan, R A Kamrad, D Kamyshkov, Yu A Kapustinsky, J S Karyotakis, Yu Kaur, M Kienzle-Focacci, M N Kim, D Kim, D H Kim, J K Kim, S C Kinnison, W W Kirkby, A Kirkby, D Kirkby, Jasper Kiss, D Kittel, E W Klimentov, A König, A C Kopp, A Korolko, I Koutsenko, V F Krämer, R W Krenz, W Kunin, A Lacentre, P E Ladrón de Guevara, P Landi, G Lapoint, C Lassila-Perini, K M Laurikainen, P Lavorato, A Lebeau, M Lebedev, A Lebrun, P Lecomte, P Lecoq, P Le Coultre, P Lee, H J Leggett, C Le Goff, J M Leiste, R Leonardi, E Levchenko, P M Li Chuan Lin, C H Lin, W T Linde, Frank L Lista, L Liu, Z A Lohmann, W Longo, E Lu, W Lü, Y S Lübelsmeyer, K Luci, C Luckey, D Luminari, L Lustermann, W Ma Wen Gan Maity, M Majumder, G Malgeri, L Malinin, A Maña, C Mangeol, D J J Mangla, S Marchesini, P A Marin, A Martin, J P Marzano, F Massaro, G G G McNally, D Mele, S Merola, L Meschini, M Metzger, W J Von der Mey, M Mi, Y Migani, D Mihul, A Van Mil, A J W Milcent, H Mirabelli, G Mnich, J Molnár, P Monteleoni, B Moore, R Moulik, T Mount, R Muheim, F Muijs, A J M Nahn, S Napolitano, M Nessi-Tedaldi, F Newman, H Niessen, T Nippe, A Nisati, A Nowak, H Oh, Yu D Opitz, H Organtini, G Ostonen, R Palit, S Palomares, C Pandoulas, D Paoletti, S Paolucci, P Park, H K Park, I H Pascale, G Passaleva, G Patricelli, S Paul, T Pauluzzi, M Paus, C Pauss, Felicitas Peach, D Pei, Y J Pensotti, S Perret-Gallix, D Petersen, B Petrak, S Pevsner, A Piccolo, D Pieri, M Piroué, P A Pistolesi, E Plyaskin, V Pohl, M Pozhidaev, V Postema, H Produit, N Prokofev, D Prokofiev, D O Quartieri, J Rahal-Callot, G Raja, N Rancoita, P G Rattaggi, M Raven, G Razis, P A Read, K Ren, D Rescigno, M Reucroft, S Van Rhee, T Riemann, S Riles, K Rind, O Robohm, A Rodin, J Roe, B P Romero, L Rosier-Lees, S Rosselet, P Van Rossum, W Roth, S Rubio, Juan Antonio Ruschmeier, D Rykaczewski, H Salicio, J Sánchez, E Sanders, M P Sarakinos, M E Sarkar, S Sauvage, G Schäfer, C Shchegelskii, V Schmidt-Kärst, S Schmitz, D Schneegans, M Scholz, N Schopper, Herwig Franz Schotanus, D J Schwenke, J Schwering, G Sciacca, C Sciarrino, D Servoli, L Shevchenko, S Shivarov, N Shoutko, V Shukla, J Shumilov, E Shvorob, A V Siedenburg, T Son, D Soulimov, V Smith, B Spillantini, P Steuer, M Stickland, D P Stone, H Stoyanov, B Strässner, A Sudhakar, K Sultanov, G G Sun, L Z Susinno, G F Suter, H Swain, J D Tang, X W Tauscher, Ludwig Taylor, L Ting, Samuel C C Ting, S M Tonwar, S C Tóth, J Tully, C Tuchscherer, H Tung, K L Uchida, Y Ulbricht, J Uwer, U Valente, E Vesztergombi, G Vetlitskii, I Viertel, Gert M Vivargent, M Vlachos, S Völkert, R Vogel, H Vogt, H Vorobev, I Vorobyov, A A Vorvolakos, A Wadhwa, M Wallraff, W Wang, J C Wang, X L Wang, Z M Weber, A Wu, S X Wynhoff, S Xu, J Xu, Z Z Yang, B Z Yang, C G Yao, X Y Ye, J B Yeh, S C You, J M Zalite, A Zalite, Yu Zemp, P Zeng, Y Zhang, Z Zhang, Z P Zhou, B Zhou, Y Zhu, G Y Zhu, R Y Zichichi, Antonino Ziegler, F
author_sort	Acciarri, M
collection	CERN
description	A determination of the number of light neutrino families performed by measuring the cross section of single photon production in \ee\ collision near the \Zo\ resonance is reported. From an integrated luminosity of $100~\mathrm{pb^{-1}}$, collected during the years 1991--94, we have observed 2091 single photon candidates with an energy above 1~\GeV\ in the polar angular region $45^\circ < \theta_\gamma < 135^\circ$. From a maximum likelihood fit to the single photon cross section, the \Zo\ decay width into invisible particles is measured to be $\Ginv = 498 \pm 12 \mathrm{(stat)} \pm 12 \mathrm{(sys)~MeV}$. Using the Standard Model couplings of neutrinos to the \Zo, the number of light neutrino species is determined to be $N_\nu = 2.98 \pm 0.07 (\mathrm{stat}) \pm 0.07 (\mathrm{sys}).$
id	cern-347842
institution	Organización Europea para la Investigación Nuclear
language	eng
publishDate	1998
record_format	invenio
spelling	cern-3478422022-01-28T09:10:30Zdoi:10.1016/S0370-2693(98)00519-Xhttp://cds.cern.ch/record/347842engAcciarri, MAdriani, OAguilar-Benítez, MAhlen, S PAlcaraz, JAlemanni, GAllaby, James VAloisio, AAlviggi, M GAmbrosi, GAnderhub, HAndreev, V PAngelescu, TAnselmo, FArefev, AAzemoon, TAziz, TBagnaia, PBaksay, LBall, R CBanerjee, SBanerjee, SwBanicz, KBarczyk, ABarillère, RBarone, LBartalini, PBaschirotto, ABasile, MBattiston, RBay, ABecattini, FBecker, UBehner, FBerdugo, JBerges, PBertucci, BBetev, B LBhattacharya, SBiasini, MBiland, ABilei, G MBizzarri, RBlaising, J JBlyth, S CBobbink, Gerjan JBöck, R KBöhm, ABoldizsar, LBorgia, BBourilkov, DBourquin, MauriceBoutigny, DBraccini, SBranson, J GBrigljevic, VBrock, I CBuffini, ABuijs, ABurger, J DBurger, W JBusenitz, J KCai, X DCampanelli, MCapell, MCara Romeo, GCarlino, GCartacci, A MCasaus, JCastellini, GCavallari, FCavallo, NCecchi, CCerrada-Canales, MCesaroni, FChamizo-Llatas, MChang, Y HChaturvedi, U KChekanov, S VChemarin, MChen, AChen, GChen, G MChen, H FChen, H SChen, MChiefari, GChien, C YCifarelli, LuisaCindolo, FCivinini, CClare, IClare, RCohn, H OCoignet, GColijn, A PColino, NCostantini, SCotorobai, Fde la Cruz, BCsilling, AkosDai, T SD'Alessandro, RDe Asmundis, RDegré, ADeiters, KDenes, PDe Notaristefani, FDiBitonto, DarylDiemoz, MVan Dierendonck, D NDi Lodovico, FDionisi, CDittmar, MichaelDominguez, ADoria, ADova, M TDrago, EDuchesneau, DDuinker, PDurán, IDutta, SEaso, SEfremenko, Yu VEl-Mamouni, HEngler, AEppling, F JErné, F CErnenwein, J PExtermann, PierreFabre, MFaccini, RFalciano, SFavara, AFay, JFedin, OFelcini, MartaFenyi, BFerguson, TFerroni, FFesefeldt, H SFiandrini, EField, J HFilthaut, FrankFisher, P HFisk, IForconi, GFredj, LFreudenreich, KlausFuretta, CGalaktionov, YuGanguli, S NGarcía-Abia, PGau, S SGentile, SGerald, JGheordanescu, NGiagu, SGoldfarb, SGoldstein, JGong, Z FGougas, AndreasGratta, GiorgioGrünewald, M WGupta, V KGurtu, AGutay, L JHaas, DHartmann, BHasan, AHatzifotiadou, DHebbeker, THervé, AHirschfelder, JVan Hoek, W CHofer, HHoorani, HHou, S RHu, GInnocente, VincenzoJenkes, KJin, B NJones, L Wde Jong, PJosa-Mutuberria, IKasser, AKhan, R AKamrad, DKamyshkov, Yu AKapustinsky, J SKaryotakis, YuKaur, MKienzle-Focacci, M NKim, DKim, D HKim, J KKim, S CKinnison, W WKirkby, AKirkby, DKirkby, JasperKiss, DKittel, E WKlimentov, AKönig, A CKopp, AKorolko, IKoutsenko, V FKrämer, R WKrenz, WKunin, ALacentre, P ELadrón de Guevara, PLandi, GLapoint, CLassila-Perini, K MLaurikainen, PLavorato, ALebeau, MLebedev, ALebrun, PLecomte, PLecoq, PLe Coultre, PLee, H JLeggett, CLe Goff, J MLeiste, RLeonardi, ELevchenko, P MLi ChuanLin, C HLin, W TLinde, Frank LLista, LLiu, Z ALohmann, WLongo, ELu, WLü, Y SLübelsmeyer, KLuci, CLuckey, DLuminari, LLustermann, WMa Wen GanMaity, MMajumder, GMalgeri, LMalinin, AMaña, CMangeol, D J JMangla, SMarchesini, P AMarin, AMartin, J PMarzano, FMassaro, G G GMcNally, DMele, SMerola, LMeschini, MMetzger, W JVon der Mey, MMi, YMigani, DMihul, AVan Mil, A J WMilcent, HMirabelli, GMnich, JMolnár, PMonteleoni, BMoore, RMoulik, TMount, RMuheim, FMuijs, A J MNahn, SNapolitano, MNessi-Tedaldi, FNewman, HNiessen, TNippe, ANisati, ANowak, HOh, Yu DOpitz, HOrgantini, GOstonen, RPalit, SPalomares, CPandoulas, DPaoletti, SPaolucci, PPark, H KPark, I HPascale, GPassaleva, GPatricelli, SPaul, TPauluzzi, MPaus, CPauss, FelicitasPeach, DPei, Y JPensotti, SPerret-Gallix, DPetersen, BPetrak, SPevsner, APiccolo, DPieri, MPiroué, P APistolesi, EPlyaskin, VPohl, MPozhidaev, VPostema, HProduit, NProkofev, DProkofiev, D OQuartieri, JRahal-Callot, GRaja, NRancoita, P GRattaggi, MRaven, GRazis, P ARead, KRen, DRescigno, MReucroft, SVan Rhee, TRiemann, SRiles, KRind, ORobohm, ARodin, JRoe, B PRomero, LRosier-Lees, SRosselet, PVan Rossum, WRoth, SRubio, Juan AntonioRuschmeier, DRykaczewski, HSalicio, JSánchez, ESanders, M PSarakinos, M ESarkar, SSauvage, GSchäfer, CShchegelskii, VSchmidt-Kärst, SSchmitz, DSchneegans, MScholz, NSchopper, Herwig FranzSchotanus, D JSchwenke, JSchwering, GSciacca, CSciarrino, DServoli, LShevchenko, SShivarov, NShoutko, VShukla, JShumilov, EShvorob, A VSiedenburg, TSon, DSoulimov, VSmith, BSpillantini, PSteuer, MStickland, D PStone, HStoyanov, BSträssner, ASudhakar, KSultanov, G GSun, L ZSusinno, G FSuter, HSwain, J DTang, X WTauscher, LudwigTaylor, LTing, Samuel C CTing, S MTonwar, S CTóth, JTully, CTuchscherer, HTung, K LUchida, YUlbricht, JUwer, UValente, EVesztergombi, GVetlitskii, IViertel, Gert MVivargent, MVlachos, SVölkert, RVogel, HVogt, HVorobev, IVorobyov, A AVorvolakos, AWadhwa, MWallraff, WWang, J CWang, X LWang, Z MWeber, AWu, S XWynhoff, SXu, JXu, Z ZYang, B ZYang, C GYao, X YYe, J BYeh, S CYou, J MZalite, AZalite, YuZemp, PZeng, YZhang, ZZhang, Z PZhou, BZhou, YZhu, G YZhu, R YZichichi, AntoninoZiegler, FDetermination of the number of light neutrino species from single photon production at LEPParticle Physics - ExperimentA determination of the number of light neutrino families performed by measuring the cross section of single photon production in \ee\ collision near the \Zo\ resonance is reported. From an integrated luminosity of $100~\mathrm{pb^{-1}}$, collected during the years 1991--94, we have observed 2091 single photon candidates with an energy above 1~\GeV\ in the polar angular region $45^\circ < \theta_\gamma < 135^\circ$. From a maximum likelihood fit to the single photon cross section, the \Zo\ decay width into invisible particles is measured to be $\Ginv = 498 \pm 12 \mathrm{(stat)} \pm 12 \mathrm{(sys)~MeV}$. Using the Standard Model couplings of neutrinos to the \Zo, the number of light neutrino species is determined to be $N_\nu = 2.98 \pm 0.07 (\mathrm{stat}) \pm 0.07 (\mathrm{sys}).$CERN-EP-98-025CERN-L3-141oai:cds.cern.ch:3478421998-02-17
spellingShingle	Particle Physics - Experiment Acciarri, M Adriani, O Aguilar-Benítez, M Ahlen, S P Alcaraz, J Alemanni, G Allaby, James V Aloisio, A Alviggi, M G Ambrosi, G Anderhub, H Andreev, V P Angelescu, T Anselmo, F Arefev, A Azemoon, T Aziz, T Bagnaia, P Baksay, L Ball, R C Banerjee, S Banerjee, Sw Banicz, K Barczyk, A Barillère, R Barone, L Bartalini, P Baschirotto, A Basile, M Battiston, R Bay, A Becattini, F Becker, U Behner, F Berdugo, J Berges, P Bertucci, B Betev, B L Bhattacharya, S Biasini, M Biland, A Bilei, G M Bizzarri, R Blaising, J J Blyth, S C Bobbink, Gerjan J Böck, R K Böhm, A Boldizsar, L Borgia, B Bourilkov, D Bourquin, Maurice Boutigny, D Braccini, S Branson, J G Brigljevic, V Brock, I C Buffini, A Buijs, A Burger, J D Burger, W J Busenitz, J K Cai, X D Campanelli, M Capell, M Cara Romeo, G Carlino, G Cartacci, A M Casaus, J Castellini, G Cavallari, F Cavallo, N Cecchi, C Cerrada-Canales, M Cesaroni, F Chamizo-Llatas, M Chang, Y H Chaturvedi, U K Chekanov, S V Chemarin, M Chen, A Chen, G Chen, G M Chen, H F Chen, H S Chen, M Chiefari, G Chien, C Y Cifarelli, Luisa Cindolo, F Civinini, C Clare, I Clare, R Cohn, H O Coignet, G Colijn, A P Colino, N Costantini, S Cotorobai, F de la Cruz, B Csilling, Akos Dai, T S D'Alessandro, R De Asmundis, R Degré, A Deiters, K Denes, P De Notaristefani, F DiBitonto, Daryl Diemoz, M Van Dierendonck, D N Di Lodovico, F Dionisi, C Dittmar, Michael Dominguez, A Doria, A Dova, M T Drago, E Duchesneau, D Duinker, P Durán, I Dutta, S Easo, S Efremenko, Yu V El-Mamouni, H Engler, A Eppling, F J Erné, F C Ernenwein, J P Extermann, Pierre Fabre, M Faccini, R Falciano, S Favara, A Fay, J Fedin, O Felcini, Marta Fenyi, B Ferguson, T Ferroni, F Fesefeldt, H S Fiandrini, E Field, J H Filthaut, Frank Fisher, P H Fisk, I Forconi, G Fredj, L Freudenreich, Klaus Furetta, C Galaktionov, Yu Ganguli, S N García-Abia, P Gau, S S Gentile, S Gerald, J Gheordanescu, N Giagu, S Goldfarb, S Goldstein, J Gong, Z F Gougas, Andreas Gratta, Giorgio Grünewald, M W Gupta, V K Gurtu, A Gutay, L J Haas, D Hartmann, B Hasan, A Hatzifotiadou, D Hebbeker, T Hervé, A Hirschfelder, J Van Hoek, W C Hofer, H Hoorani, H Hou, S R Hu, G Innocente, Vincenzo Jenkes, K Jin, B N Jones, L W de Jong, P Josa-Mutuberria, I Kasser, A Khan, R A Kamrad, D Kamyshkov, Yu A Kapustinsky, J S Karyotakis, Yu Kaur, M Kienzle-Focacci, M N Kim, D Kim, D H Kim, J K Kim, S C Kinnison, W W Kirkby, A Kirkby, D Kirkby, Jasper Kiss, D Kittel, E W Klimentov, A König, A C Kopp, A Korolko, I Koutsenko, V F Krämer, R W Krenz, W Kunin, A Lacentre, P E Ladrón de Guevara, P Landi, G Lapoint, C Lassila-Perini, K M Laurikainen, P Lavorato, A Lebeau, M Lebedev, A Lebrun, P Lecomte, P Lecoq, P Le Coultre, P Lee, H J Leggett, C Le Goff, J M Leiste, R Leonardi, E Levchenko, P M Li Chuan Lin, C H Lin, W T Linde, Frank L Lista, L Liu, Z A Lohmann, W Longo, E Lu, W Lü, Y S Lübelsmeyer, K Luci, C Luckey, D Luminari, L Lustermann, W Ma Wen Gan Maity, M Majumder, G Malgeri, L Malinin, A Maña, C Mangeol, D J J Mangla, S Marchesini, P A Marin, A Martin, J P Marzano, F Massaro, G G G McNally, D Mele, S Merola, L Meschini, M Metzger, W J Von der Mey, M Mi, Y Migani, D Mihul, A Van Mil, A J W Milcent, H Mirabelli, G Mnich, J Molnár, P Monteleoni, B Moore, R Moulik, T Mount, R Muheim, F Muijs, A J M Nahn, S Napolitano, M Nessi-Tedaldi, F Newman, H Niessen, T Nippe, A Nisati, A Nowak, H Oh, Yu D Opitz, H Organtini, G Ostonen, R Palit, S Palomares, C Pandoulas, D Paoletti, S Paolucci, P Park, H K Park, I H Pascale, G Passaleva, G Patricelli, S Paul, T Pauluzzi, M Paus, C Pauss, Felicitas Peach, D Pei, Y J Pensotti, S Perret-Gallix, D Petersen, B Petrak, S Pevsner, A Piccolo, D Pieri, M Piroué, P A Pistolesi, E Plyaskin, V Pohl, M Pozhidaev, V Postema, H Produit, N Prokofev, D Prokofiev, D O Quartieri, J Rahal-Callot, G Raja, N Rancoita, P G Rattaggi, M Raven, G Razis, P A Read, K Ren, D Rescigno, M Reucroft, S Van Rhee, T Riemann, S Riles, K Rind, O Robohm, A Rodin, J Roe, B P Romero, L Rosier-Lees, S Rosselet, P Van Rossum, W Roth, S Rubio, Juan Antonio Ruschmeier, D Rykaczewski, H Salicio, J Sánchez, E Sanders, M P Sarakinos, M E Sarkar, S Sauvage, G Schäfer, C Shchegelskii, V Schmidt-Kärst, S Schmitz, D Schneegans, M Scholz, N Schopper, Herwig Franz Schotanus, D J Schwenke, J Schwering, G Sciacca, C Sciarrino, D Servoli, L Shevchenko, S Shivarov, N Shoutko, V Shukla, J Shumilov, E Shvorob, A V Siedenburg, T Son, D Soulimov, V Smith, B Spillantini, P Steuer, M Stickland, D P Stone, H Stoyanov, B Strässner, A Sudhakar, K Sultanov, G G Sun, L Z Susinno, G F Suter, H Swain, J D Tang, X W Tauscher, Ludwig Taylor, L Ting, Samuel C C Ting, S M Tonwar, S C Tóth, J Tully, C Tuchscherer, H Tung, K L Uchida, Y Ulbricht, J Uwer, U Valente, E Vesztergombi, G Vetlitskii, I Viertel, Gert M Vivargent, M Vlachos, S Völkert, R Vogel, H Vogt, H Vorobev, I Vorobyov, A A Vorvolakos, A Wadhwa, M Wallraff, W Wang, J C Wang, X L Wang, Z M Weber, A Wu, S X Wynhoff, S Xu, J Xu, Z Z Yang, B Z Yang, C G Yao, X Y Ye, J B Yeh, S C You, J M Zalite, A Zalite, Yu Zemp, P Zeng, Y Zhang, Z Zhang, Z P Zhou, B Zhou, Y Zhu, G Y Zhu, R Y Zichichi, Antonino Ziegler, F Determination of the number of light neutrino species from single photon production at LEP
title	Determination of the number of light neutrino species from single photon production at LEP
title_full	Determination of the number of light neutrino species from single photon production at LEP
title_fullStr	Determination of the number of light neutrino species from single photon production at LEP
title_full_unstemmed	Determination of the number of light neutrino species from single photon production at LEP
title_short	Determination of the number of light neutrino species from single photon production at LEP
title_sort	determination of the number of light neutrino species from single photon production at lep
topic	Particle Physics - Experiment
url	https://dx.doi.org/10.1016/S0370-2693(98)00519-X http://cds.cern.ch/record/347842
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determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT fabrem determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT faccinir determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT falcianos determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT favaraa determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT fayj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT fedino determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT felcinimarta determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT fenyib determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT fergusont determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT ferronif determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT fesefeldths determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT fiandrinie determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT fieldjh determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT filthautfrank determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT fisherph determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT fiski determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT forconig determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT fredjl determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT freudenreichklaus determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT furettac determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT galaktionovyu determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT gangulisn determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT garciaabiap determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT gauss determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT gentiles determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT geraldj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT gheordanescun determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT giagus determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT goldfarbs determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT goldsteinj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT gongzf determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT gougasandreas determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT grattagiorgio determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT grunewaldmw determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT guptavk determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT gurtua determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT gutaylj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT haasd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT hartmannb determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT hasana determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT hatzifotiadoud determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT hebbekert determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT hervea determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT hirschfelderj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vanhoekwc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT hoferh determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT hooranih determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT housr determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT hug determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT innocentevincenzo determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT jenkesk determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT jinbn determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT joneslw determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT dejongp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT josamutuberriai determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kassera determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT khanra determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kamradd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kamyshkovyua determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kapustinskyjs determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT karyotakisyu determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kaurm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kienzlefocaccimn determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kimd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kimdh determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kimjk determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kimsc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kinnisonww determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kirkbya determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kirkbyd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kirkbyjasper determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kissd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kittelew determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT klimentova determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT konigac determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT koppa determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT korolkoi determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT koutsenkovf determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kramerrw determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT krenzw determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT kunina determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lacentrepe determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT ladrondeguevarap determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT landig determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lapointc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lassilaperinikm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT laurikainenp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lavoratoa determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lebeaum determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lebedeva determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lebrunp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lecomtep determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lecoqp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lecoultrep determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT leehj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT leggettc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT legoffjm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT leister determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT leonardie determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT levchenkopm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lichuan determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT linch determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT linwt determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lindefrankl determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT listal determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT liuza determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lohmannw determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT longoe determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT luw determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT luys determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lubelsmeyerk determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lucic determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT luckeyd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT luminaril determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT lustermannw determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT mawengan determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT maitym determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT majumderg determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT malgeril determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT malinina determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT manac determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT mangeoldjj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT manglas determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT marchesinipa determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT marina determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT martinjp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT marzanof determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT massaroggg determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT mcnallyd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT meles determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT merolal determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT meschinim determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT metzgerwj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vondermeym determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT miy determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT miganid determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT mihula determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vanmilajw determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT milcenth determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT mirabellig determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT mnichj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT molnarp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT monteleonib determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT moorer determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT moulikt determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT mountr determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT muheimf determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT muijsajm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT nahns determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT napolitanom determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT nessitedaldif determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT newmanh determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT niessent determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT nippea determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT nisatia determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT nowakh determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT ohyud determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT opitzh determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT organtinig determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT ostonenr determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT palits determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT palomaresc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pandoulasd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT paolettis determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT paoluccip determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT parkhk determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT parkih determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pascaleg determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT passalevag determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT patricellis determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pault determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pauluzzim determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pausc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT paussfelicitas determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT peachd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT peiyj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pensottis determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT perretgallixd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT petersenb determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT petraks determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pevsnera determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT piccolod determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pierim determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pirouepa determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pistolesie determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT plyaskinv determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pohlm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT pozhidaevv determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT postemah determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT produitn determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT prokofevd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT prokofievdo determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT quartierij determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rahalcallotg determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rajan determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rancoitapg determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rattaggim determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT raveng determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT razispa determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT readk determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rend determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rescignom determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT reucrofts determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vanrheet determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT riemanns determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rilesk determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rindo determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT robohma determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rodinj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT roebp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT romerol determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rosierleess determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rosseletp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vanrossumw determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT roths determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rubiojuanantonio determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT ruschmeierd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT rykaczewskih determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT salicioj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sancheze determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sandersmp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sarakinosme determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sarkars determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sauvageg determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT schaferc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT shchegelskiiv determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT schmidtkarsts determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT schmitzd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT schneegansm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT scholzn determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT schopperherwigfranz determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT schotanusdj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT schwenkej determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT schweringg determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sciaccac determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sciarrinod determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT servolil determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT shevchenkos determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT shivarovn determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT shoutkov determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT shuklaj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT shumilove determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT shvorobav determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT siedenburgt determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sond determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT soulimovv determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT smithb determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT spillantinip determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT steuerm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sticklanddp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT stoneh determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT stoyanovb determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT strassnera determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sudhakark determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sultanovgg determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT sunlz determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT susinnogf determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT suterh determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT swainjd determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT tangxw determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT tauscherludwig determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT taylorl determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT tingsamuelcc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT tingsm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT tonwarsc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT tothj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT tullyc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT tuchschererh determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT tungkl determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT uchiday determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT ulbrichtj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT uweru determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT valentee determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vesztergombig determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vetlitskiii determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT viertelgertm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vivargentm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vlachoss determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT volkertr determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vogelh determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vogth determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vorobevi determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vorobyovaa determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT vorvolakosa determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT wadhwam determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT wallraffw determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT wangjc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT wangxl determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT wangzm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT webera determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT wusx determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT wynhoffs determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT xuj determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT xuzz determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT yangbz determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT yangcg determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT yaoxy determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT yejb determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT yehsc determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT youjm determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zalitea determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zaliteyu determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zempp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zengy determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zhangz determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zhangzp determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zhoub determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zhouy determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zhugy determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zhury determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zichichiantonino determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep AT zieglerf determinationofthenumberoflightneutrinospeciesfromsinglephotonproductionatlep

Determination of the number of light neutrino species from single photon production at LEP

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