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Study of the Solar Anisotropy for Cosmic Ray Primaries of about 200 GeV Energy with the L3+C Muon Detector

Primary cosmic rays experience multiple deflections in the nonuniform galactic and heliospheric magnetic fields which may generate anisotropies. A study of anisotropies in the energy range between 100 and 500 GeV is performed. This energy range is not yet well explored. The L3 detector at the CERN e...

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Detalles Bibliográficos
Autores principales: Achard, P, Adriani, O, Aguilar-Benitez, M, van den Akker, M, Alcaraz, J, Alemanni, G, Allaby, J, Aloisio, A, Alviggi, M G, Anderhub, H, Andreev, Valery P, Anselmo, F, Arefev, A, Azemoon, T, Aziz, T, Bagnaia, P, Bajo, A, Baksay, G, Baksay, L, Bahr, J, Baldew, S V, Banerjee, S, Banerjee, Sw, Barczyk, A, Barillere, R, Bartalini, P, Basile, M, Batalova, N, Battiston, R, Bay, A, Becattini, F, Becker, U, Behner, F, Bellucci, L, Berbeco, R, Berdugo, J, Berges, P, Bertucci, B, Betev, B L, Biasini, M, Biglietti, M, Biland, A, Blaising, J J, Blyth, S C, Bobbink, G J, Bohm, A, Boldizsar, L, Borgia, B, Bottai, S, Bourilkov, D, Bourquin, M, Braccini, S, Branson, J G, Brochu, F, Burger, J D, Burger, W J, Cai, X D, Capell, M, Cara Romeo, G, Carlino, G, Cartacci, A, Casaus, J, Cavallari, F, Cavallo, N, Cecchi, C, Cerrada, M, Chamizo, M, Chiarusi, T, Chang, Y H, Chemarin, M, Chen, A, Chen, G, Chen, G M, Chen, H F, Chen, H S, Chiefari, G, Cifarelli, L, Cindolo, F, Clare, I, Clare, R, Coignet, G, Colino, N, Costantini, S, de la Cruz, B, Cucciarelli, S, van Dalen, J, de Asmundis, R, Deglon, P, Debreczeni, J, Degre, A, Dehmelt, K, Deiters, K, della Volpe, D, Delmeire, E, Denes, P, DeNotaristefani, F, De Salvo, A, Diemoz, M, Dierckxsens, M, Ding, L K, Dionisi, C, Dittmar, M, Doria, A, Dova, M T, Duchesneau, D, Duda, M, Duran, I, Echenard, B, Eline, A, El Hage, A, El Mamouni, H, Engler, A, Eppling, F J, Extermann, P, Faber, G, Falagan, M A, Falciano, S, Favara, A, Fay, J, Fedin, O, Felcini, M, Ferguson, T, Fesefeldt, H, Fiandrini, E, Field, J H, Filthaut, F, Fisher, W, Fisk, I, Forconi, G, Freudenreich, K, Furetta, C, Galaktionov, Iouri, Ganguli, S N, Garcia-Abia, Pablo, Gataullin, M, Gentile, S, Giagu, S, Gong, Z F, Grabosch, H J, Grenier, G, Grimm, O, Groenstege, H, Gruenewald, M W, Guida, M, Guo, Y N, Gupta, S, Gupta, V K, Gurtu, A, Gutay, L J, Haas, D, Haller, Ch, Hatzifotiadou, D, Hayashi, Y, He, Z X, Hebbeker, T, Herve, Alain, Hirschfelder, J, Hofer, H, Hohlmann, M, Holzner, G, Hou, S R, Huo, A X, Hu, Y, Ito, N, Jin, B N, Jing, C L, Jones, Lawrence W, de Jong, P, Josa-Mutuberria, I, Kantserov, V, Kaur, M, Kawakami, S, Kienzle-Focacci, M N, Kim, J K, Kirkby, Jasper, Kittel, W, Klimentov, A, Konig, A C, Kok, E, Korn, A, Kopal, M, Koutsenko, V, Kraber, M, Kuang, H H, Kraemer, R W, Kruger, A, Kuijpers, J, Kunin, A, Ladron de Guevara, P, Laktineh, I, Landi, G, Lebeau, M, Lebedev, A, Lebrun, P, Lecomte, P, Lecoq, P, Le Coultre, P, Le Goff, J M, Lei, Y, Leich, H, Leiste, R, Levtchenko, M, Levtchenko, P, Li, C, Li, L, Li, Z C, Likhoded, S, Lin, C H, Lin, W T, Linde, F L, Lista, L, Liu, Z A, Lohmann, W, Longo, E, Lu, Y S, Luci, C, Luminari, L, Lustermann, W, Ma, W G, Ma, X H, Ma, Y Q, Malgeri, L, Malinin, A, Mana, C, Mans, J, Martin, J P, Marzano, F, Mazumdar, K, McNeil, R R, Mele, S, Meng, X W, Merola, L, Meschini, M, Metzger, W J, Mihul, A, van Mil, A, Milcent, H, Mirabelli, G, Mnich, J, Mohanty, G B, Monteleoni, B, Muanza, y G S, Muijs, A J M, Musicar, B, Musy, M, Nagy, S, Nahnhauer, R, Naumov, V A, Natale, S, Napolitano, M, Nessi-Tedaldi, F, Newman, H, Nisati, A, Novak, T, Kluge, Hannelies, Ofierzynski, R, Organtini, G, Pal, I, Palomares, C, Paolucci, P, Paramatti, R, Parriaud, J -F, Passaleva, G, Patricelli, S, Paul, Thomas Cantzon, Pauluzzi, M, Paus, C, Pauss, F, Pedace, M, Pensotti, S, Perret-Gallix, D, Petersen, B, Piccolo, D, Pierella, F, Pieri, M, Pioppi, M, Piroue, P A, Pistolesi, E, Plyaskin, V, Pohl, M, Pojidaev, V, Pothier, J, Prokofev, D, Quartieri, J, Qing, C R, Rahal-Callot, G, Rahaman, Mohammad Azizur, Raics, P, Raja, N, Ramelli, R, Rancoita, P G, Ranieri, R, Raspereza, A, Ravindran, K C, Razis, P, Ren, D, Rescigno, M, Reucroft, S, Rewiersma, P, Riemann, y S, Riles, Keith, Roe, B P, Rojkov, A, Romero, L, Rosca, A, Rosemann, C, Rosenbleck, C, Rosier-Lees, S, Roth, Stefan, Rubio, J A, Ruggiero, G, Rykaczewski, H, Saidi, R, Sakharov, A, Saremi, S, Sarkar, S, Salicio, J, Sanchez, E, Schafer, C, Schegelsky, V, Schmitt, V, Schoeneich, B, Schopper, H, Schotanus, D J, Sciacca, C, Servoli, L, Shen, C Q, Shevchenko, S, Shivarov, N, Shoutko, V, Shumilov, E, Shvorob, A, Son, D, Souga, C, Spillantini, P, Steuer, M, Stickland, D P, Stoyanov, B, Straessner, A, Sudhakar, K, Sulanke, H, Sultanov, G, Sun, L Z, Sushkov, S, Suter, H, Swain, J D, Szillasi, Z, Tang, X W, Tarjan, P, Tauscher, L, Taylor, L, Tellili, B, Teyssier, D, Timmermans, Charles, Ting, Samuel C C, Ting, S M, Tonwar, S C, Toth, J, Trowitzsch, G, Tully, C, Tung, K L, Ulbricht, J, Unger, M, Valente, E, Verkooijen, H, Van de Walle, R T, Vasquez, R, Veszpremi, V, Vesztergombi, G, Vetlitsky, I, Vicinanza, D, Viertel, G, Villa, S, Vivargent, M, Vlachos, S, Vodopianov, I, Vogel, H, Vogt, H, Vorobev, I, Vorobyov, A A, Wadhwa, M, Wang, R G, Wang, Q, Wang, X L, Wang, X W, Wang, Z M, Weber, M, van Wijk, R, Wijnen, T A M, Wilkens, H, Wynhoff, S, Xia, L, Xu, Y P, Xu, J S, Xu, Z Z, Yamamoto, J, Yang, B Z, Yang, C G, Yang, H J, Yang, M, Yang, X F, Yao, Z G, Yeh, S C, Yu, Z Q, Zalite, An, Zalite, Yu, Zhang, C, Zhang, F, Zhang, J, Zhang, S, Zhang, Z P, Zhao, J, Zhou, S J, Zhu, G Y, Zhu, R Y, Zhuang, H L, Zhu, Q Q, Zichichi, A, Zimmermann, B, Zoller, M, Zwart, A N M
Lenguaje:eng
Publicado: 2008
Materias:
Acceso en línea:https://dx.doi.org/10.1051/0004-6361:200809634
http://cds.cern.ch/record/1115074
Descripción
Sumario:Primary cosmic rays experience multiple deflections in the nonuniform galactic and heliospheric magnetic fields which may generate anisotropies. A study of anisotropies in the energy range between 100 and 500 GeV is performed. This energy range is not yet well explored. The L3 detector at the CERN electron-positron collider, LEP, is used for a study of the angular distribution of atmospheric muons with energies above 20 GeV. This distribution is used to investigate the isotropy of the time-dependent intensity of the primary cosmic-ray flux with a Fourier analysis. A small deviation from isotropy at energies around 200 GeV is observed for the second harmonics at the solar frequency. No sidereal anisotropy is found at a level above 10^-4. The measurements have been performed in the years 1999 and 2000.