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Observation of excited $\Lambda^0_b$ baryons
Using $pp$ collision data corresponding to 1.0~fb^{-1} integrated luminosity collected by the LHCb detector, two narrow states are observed in the $\Lambda_b^0\pi^+\pi^-$ spectrum with masses $5911.95\pm 0.12(\mbox{stat})\pm 0.03(\mbox{syst})\pm 0.66(\Lambda_b^0\mbox{ mass})$ MeV/$c^2$ and $5919.76\...
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Lenguaje: | eng |
Publicado: |
2012
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1103/PhysRevLett.109.172003 http://cds.cern.ch/record/1449721 |
_version_ | 1780924886356590592 |
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author | Aaij, R Abellan Beteta, C Adametz, A Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Alvarez Cartelle, P Alves Jr, A A Amato, S Amhis, Y Anderson, J Appleby, R B Aquines Gutierrez, O Archilli, F Artamonov, A Artuso, M Aslanides, E Auriemma, G Bachmann, S Back, J J Balagura, V Baldini, W Barlow, R J Barschel, C Barsuk, S Barter, W Bates, A Bauer, C Bauer, Th Bay, A Beddow, J Bediaga, I Belogurov, S Belous, K Belyaev, I Ben-Haim, E Benayoun, M Bencivenni, G Benson, S Benton, J Bernet, R Bettler, M -O van Beuzekom, M Bien, A Bifani, S Bird, T Bizzeti, A Bjørnstad, P M Blake, T Blanc, F Blanks, C Blouw, J Blusk, S Bobrov, A Bocci, V Bondar, A Bondar, N Bonivento, W Borghi, S Borgia, A Bowcock, T J V Bozzi, C Brambach, T van den Brand, J Bressieux, J Brett, D Britsch, M Britton, T Brook, N H Brown, H Büchler-Germann, A Burducea, I Bursche, A Buytaert, J Cadeddu, S Callot, O Calvi, M Calvo Gomez, M Camboni, A Campana, P Carbone, A Carboni, G Cardinale, R Cardini, A Carson, L Carvalho Akiba, K Casse, G Cattaneo, M Cauet, Ch Charles, M Charpentier, Ph Chen, P Chiapolini, N Chrzaszcz, M Ciba, K Cid Vidal, X Ciezarek, G Clarke, P E L Clemencic, M Cliff, H V Closier, J Coca, C Coco, V Cogan, J Cogneras, E Collins, P Comerma-Montells, A Contu, A Cook, A Coombes, M Corti, G Couturier, B Cowan, G A Craik, D Currie, R D'Ambrosio, C David, P David, P N Y De Bonis, I De Bruyn, K De Capua, S De Cian, M De Miranda, J M De Paula, L De Simone, P Decamp, D Deckenhoff, M Degaudenzi, H Del Buono, L Deplano, C Derkach, D Deschamps, O Dettori, F Dickens, J Dijkstra, H Diniz Batista, P Domingo Bonal, F Donleavy, S Dordei, F Dosil Suárez, A Dossett, D Dovbnya, A Dupertuis, F Dzhelyadin, R Dziurda, A Dzyuba, A Easo, S Egede, U Egorychev, V Eidelman, S van Eijk, D Eisele, F Eisenhardt, S Ekelhof, R Eklund, L El Rifai, I Elsasser, Ch Elsby, D Esperante Pereira, D Falabella, A Färber, C Fardell, G Farinelli, C Farry, S Fave, V Fernandez Albor, V Ferro-Luzzi, M Filippov, S Fitzpatrick, C Fontana, M Fontanelli, F Forty, R Francisco, O Frank, M Frei, C Frosini, M Furcas, S Gallas Torreira, A Galli, D Gandelman, M Gandini, P Gao, Y Garnier, J-C Garofoli, J Garra Tico, J Garrido, L Gascon, D Gaspar, C Gauld, R Gauvin, N Gersabeck, M Gershon, T Ghez, Ph Gibson, V Gligorov, V V Göbel, C Golubkov, D Golutvin, A Gomes, A Gordon, H Grabalosa Gándara, M Graciani Diaz, R Granado Cardoso, L A Graugés, E Graziani, G Grecu, A Greening, E Gregson, S Grünberg, O Gui, B Gushchin, E Guz, Yu Gys, T Hadjivasiliou, C Haefeli, G Haen, C Haines, S C Hampson, T Hansmann-Menzemer, S Harnew, N Harnew, S T Harrison, J Harrison, P F Hartmann, T He, J Heijne, V Hennessy, K Henrard, P Hernando Morata, J A van Herwijnen, E Hicks, E Hoballah, M Hopchev, P Hulsbergen, W Hunt, P Huse, T Huston, R S Hutchcroft, D Hynds, D Iakovenko, V Ilten, P Imong, J Jacobsson, R Jaeger, A Jahjah Hussein, M Jans, E Jansen, F Jaton, P Jean-Marie, B Jing, F John, M Johnson, D Jones, C R Jost, B Kaballo, M Kandybei, S Karacson, M Karbach, T M Keaveney, J Kenyon, I R Kerzel, U Ketel, T Keune, A Khanji, B Kim, Y M Knecht, M Kochebina, O Komarov, I Koopman, R F Koppenburg, P Korolev, M Kozlinskiy, A Kravchuk, L Kreplin, K Kreps, M Krocker, G Krokovny, P Kruse, F Kruzelecki, K Kucharczyk, M Kudryavtsev, V Kvaratskheliya, T La Thi, V N Lacarrere, D Lafferty, G Lai, A Lambert, D Lambert, R W Lanciotti, E Lanfranchi, G Langenbruch, C Latham, T Lazzeroni, C Le Gac, R van Leerdam, J Lees, J -P Lefèvre, R Leflat, A Lefrançois, J Leroy, O Lesiak, T Li, L Li, Y Li Gioi, L Lieng, M Liles, M Lindner, R Linn, C Liu, B Liu, G von Loeben, J Lopes, J H Lopez Asamar, E Lopez-March, N Lu, H Luisier, J Mac Raighne, A Machefert, F Machikhiliyan, I V Maciuc, F Maev, O Magnin, J Malde, S Mamunur, R M D Manca, G Mancinelli, G Mangiafave, N Marconi, U Märki, R Marks, J Martellotti, G Martens, A Martin, L Martín Sánchez, A Martinelli, M Martinez Santos, D Massafferri, A Mathe, Z Matteuzzi, C Matveev, M Maurice, E Maynard, B Mazurov, A McCarthy, J McGregor, G McNulty, R Meissner, M Merk, M Merkel, J Milanes, D A Minard, M -N Molina Rodriguez, J Monteil, S Moran, D Morawski, P Mountain, R Mous, I Muheim, F Müller, K Muresan, R Muryn, B Muster, B Mylroie-Smith, J Naik, P Nakada, T Nandakumar, R Nasteva, I Needham, M Neufeld, N Nguyen, A D Nguyen-Mau, C Nicol, M Niess, V Nikitin, N Nikodem, T Nomerotski, A Novoselov, A Oblakowska-Mucha, A Obraztsov, V Oggero, S Ogilvy, S Okhrimenko, O Oldeman, R Orlandea, M Otalora Goicochea, J M Owen, P Pal, B K Palacios, J Palano, A Palutan, M Panman, J Papanestis, A Pappagallo, M Parkes, C Parkinson, C J Passaleva, G Patel, G D Patel, M Patrick, G N Patrignani, C Pavel-Nicorescu, C Pazos Alvarez, A Pellegrino, A Penso, G Pepe Altarelli, M Perazzini, S Perego, D L Perez Trigo, E Pérez-Calero Yzquierdo, A Perret, P Perrin-Terrin, M Pessina, G Petrolini, A Phan, A Picatoste Olloqui, E Pie Valls, B Pietrzyk, B Pilař, T Pinci, D Plackett, R Playfer, S Plo Casasus, M Polci, F Polok, G Poluektov, A Polycarpo, E Popov, D Popovici, B Potterat, C Powell, A Prisciandaro, J Pugatch, V Puig Navarro, A Qian, W Rademacker, J H Rakotomiaramanana, B Rangel, M S Raniuk, I Raven, G Redford, S Reid, M M dos Reis, A C Ricciardi, S Richards, A Rinnert, K Roa Romero, D A Robbe, P Rodrigues, E Rodrigues, F Rodriguez Perez, P Rogers, G J Roiser, S Romanovsky, V Rosello, M Rouvinet, J Ruf, T Ruiz, H Sabatino, G Saborido Silva, J J Sagidova, N Sail, P Saitta, B Salzmann, C Sanmartin Sedes, B Sannino, M Santacesaria, R Santamarina Rios, C Santinelli, R Santovetti, E Sapunov, M Sarti, A Satriano, C Satta, A Savrie, M Savrina, D Schaack, P Schiller, M Schindler, H Schleich, S Schlupp, M Schmelling, M Schmidt, B Schneider, O Schopper, A Schune, M -H Schwemmer, R Sciascia, B Sciubba, A Seco, M Semennikov, A Senderowska, K Sepp, I Serra, N Serrano, J Seyfert, P Shapkin, M Shapoval, I Shatalov, P Shcheglov, Y Shears, T Shekhtman, L Shevchenko, O Shevchenko, V Shires, A Silva Coutinho, R Skwarnicki, T Smith, N A Smith, E Smith, M Sobczak, K Soler, F J P Solomin, A Soomro, F Souza, D Souza De Paula, B Spaan, B Sparkes, A Spradlin, P Stagni, F Stahl, S Steinkamp, O Stoica, S Stone, S Storaci, B Straticiuc, M Straumann, U Subbiah, V K Swientek, S Szczekowski, M Szczypka, P Szumlak, T T'Jampens, S Teklishyn, M Teodorescu, E Teubert, F Thomas, C Thomas, E van Tilburg, J Tisserand, V Tobin, M Tolk, S Topp-Joergensen, S Torr, N Tournefier, E Tourneur, S Tran, M T Tsaregorodtsev, A Tuning, N Ubeda Garcia, M Ukleja, A Uwer, U Vagnoni, V Valenti, G Vazquez Gomez, R Vazquez Regueiro, P Vecchi, S Velthuis, J J Veltri, M Vesterinen, M Viaud, B Videau, I Vieira, D Vilasis-Cardona, X Visniakov, J Vollhardt, A Volyanskyy, D Voong, D Vorobyev, A Vorobyev, V Voß, C Voss, H Waldi, R Wallace, R Wandernoth, S Wang, J Ward, D R Watson, N K Webber, A D Websdale, D Whitehead, M Wicht, J Wiedner, D Wiggers, L Wilkinson, G Williams, M P Williams, M Wilson, F F Wishahi, J Witek, M Witzeling, W Wotton, S A Wright, S Wu, S Wyllie, K Xie, Y Xing, F Xing, Z Yang, Z Young, R Yuan, X Yushchenko, O Zangoli, M Zavertyaev, M Zhang, F Zhang, L Zhang, W C Zhang, Y Zhelezov, A Zhong, L Zvyagin, A |
author_facet | Aaij, R Abellan Beteta, C Adametz, A Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Alvarez Cartelle, P Alves Jr, A A Amato, S Amhis, Y Anderson, J Appleby, R B Aquines Gutierrez, O Archilli, F Artamonov, A Artuso, M Aslanides, E Auriemma, G Bachmann, S Back, J J Balagura, V Baldini, W Barlow, R J Barschel, C Barsuk, S Barter, W Bates, A Bauer, C Bauer, Th Bay, A Beddow, J Bediaga, I Belogurov, S Belous, K Belyaev, I Ben-Haim, E Benayoun, M Bencivenni, G Benson, S Benton, J Bernet, R Bettler, M -O van Beuzekom, M Bien, A Bifani, S Bird, T Bizzeti, A Bjørnstad, P M Blake, T Blanc, F Blanks, C Blouw, J Blusk, S Bobrov, A Bocci, V Bondar, A Bondar, N Bonivento, W Borghi, S Borgia, A Bowcock, T J V Bozzi, C Brambach, T van den Brand, J Bressieux, J Brett, D Britsch, M Britton, T Brook, N H Brown, H Büchler-Germann, A Burducea, I Bursche, A Buytaert, J Cadeddu, S Callot, O Calvi, M Calvo Gomez, M Camboni, A Campana, P Carbone, A Carboni, G Cardinale, R Cardini, A Carson, L Carvalho Akiba, K Casse, G Cattaneo, M Cauet, Ch Charles, M Charpentier, Ph Chen, P Chiapolini, N Chrzaszcz, M Ciba, K Cid Vidal, X Ciezarek, G Clarke, P E L Clemencic, M Cliff, H V Closier, J Coca, C Coco, V Cogan, J Cogneras, E Collins, P Comerma-Montells, A Contu, A Cook, A Coombes, M Corti, G Couturier, B Cowan, G A Craik, D Currie, R D'Ambrosio, C David, P David, P N Y De Bonis, I De Bruyn, K De Capua, S De Cian, M De Miranda, J M De Paula, L De Simone, P Decamp, D Deckenhoff, M Degaudenzi, H Del Buono, L Deplano, C Derkach, D Deschamps, O Dettori, F Dickens, J Dijkstra, H Diniz Batista, P Domingo Bonal, F Donleavy, S Dordei, F Dosil Suárez, A Dossett, D Dovbnya, A Dupertuis, F Dzhelyadin, R Dziurda, A Dzyuba, A Easo, S Egede, U Egorychev, V Eidelman, S van Eijk, D Eisele, F Eisenhardt, S Ekelhof, R Eklund, L El Rifai, I Elsasser, Ch Elsby, D Esperante Pereira, D Falabella, A Färber, C Fardell, G Farinelli, C Farry, S Fave, V Fernandez Albor, V Ferro-Luzzi, M Filippov, S Fitzpatrick, C Fontana, M Fontanelli, F Forty, R Francisco, O Frank, M Frei, C Frosini, M Furcas, S Gallas Torreira, A Galli, D Gandelman, M Gandini, P Gao, Y Garnier, J-C Garofoli, J Garra Tico, J Garrido, L Gascon, D Gaspar, C Gauld, R Gauvin, N Gersabeck, M Gershon, T Ghez, Ph Gibson, V Gligorov, V V Göbel, C Golubkov, D Golutvin, A Gomes, A Gordon, H Grabalosa Gándara, M Graciani Diaz, R Granado Cardoso, L A Graugés, E Graziani, G Grecu, A Greening, E Gregson, S Grünberg, O Gui, B Gushchin, E Guz, Yu Gys, T Hadjivasiliou, C Haefeli, G Haen, C Haines, S C Hampson, T Hansmann-Menzemer, S Harnew, N Harnew, S T Harrison, J Harrison, P F Hartmann, T He, J Heijne, V Hennessy, K Henrard, P Hernando Morata, J A van Herwijnen, E Hicks, E Hoballah, M Hopchev, P Hulsbergen, W Hunt, P Huse, T Huston, R S Hutchcroft, D Hynds, D Iakovenko, V Ilten, P Imong, J Jacobsson, R Jaeger, A Jahjah Hussein, M Jans, E Jansen, F Jaton, P Jean-Marie, B Jing, F John, M Johnson, D Jones, C R Jost, B Kaballo, M Kandybei, S Karacson, M Karbach, T M Keaveney, J Kenyon, I R Kerzel, U Ketel, T Keune, A Khanji, B Kim, Y M Knecht, M Kochebina, O Komarov, I Koopman, R F Koppenburg, P Korolev, M Kozlinskiy, A Kravchuk, L Kreplin, K Kreps, M Krocker, G Krokovny, P Kruse, F Kruzelecki, K Kucharczyk, M Kudryavtsev, V Kvaratskheliya, T La Thi, V N Lacarrere, D Lafferty, G Lai, A Lambert, D Lambert, R W Lanciotti, E Lanfranchi, G Langenbruch, C Latham, T Lazzeroni, C Le Gac, R van Leerdam, J Lees, J -P Lefèvre, R Leflat, A Lefrançois, J Leroy, O Lesiak, T Li, L Li, Y Li Gioi, L Lieng, M Liles, M Lindner, R Linn, C Liu, B Liu, G von Loeben, J Lopes, J H Lopez Asamar, E Lopez-March, N Lu, H Luisier, J Mac Raighne, A Machefert, F Machikhiliyan, I V Maciuc, F Maev, O Magnin, J Malde, S Mamunur, R M D Manca, G Mancinelli, G Mangiafave, N Marconi, U Märki, R Marks, J Martellotti, G Martens, A Martin, L Martín Sánchez, A Martinelli, M Martinez Santos, D Massafferri, A Mathe, Z Matteuzzi, C Matveev, M Maurice, E Maynard, B Mazurov, A McCarthy, J McGregor, G McNulty, R Meissner, M Merk, M Merkel, J Milanes, D A Minard, M -N Molina Rodriguez, J Monteil, S Moran, D Morawski, P Mountain, R Mous, I Muheim, F Müller, K Muresan, R Muryn, B Muster, B Mylroie-Smith, J Naik, P Nakada, T Nandakumar, R Nasteva, I Needham, M Neufeld, N Nguyen, A D Nguyen-Mau, C Nicol, M Niess, V Nikitin, N Nikodem, T Nomerotski, A Novoselov, A Oblakowska-Mucha, A Obraztsov, V Oggero, S Ogilvy, S Okhrimenko, O Oldeman, R Orlandea, M Otalora Goicochea, J M Owen, P Pal, B K Palacios, J Palano, A Palutan, M Panman, J Papanestis, A Pappagallo, M Parkes, C Parkinson, C J Passaleva, G Patel, G D Patel, M Patrick, G N Patrignani, C Pavel-Nicorescu, C Pazos Alvarez, A Pellegrino, A Penso, G Pepe Altarelli, M Perazzini, S Perego, D L Perez Trigo, E Pérez-Calero Yzquierdo, A Perret, P Perrin-Terrin, M Pessina, G Petrolini, A Phan, A Picatoste Olloqui, E Pie Valls, B Pietrzyk, B Pilař, T Pinci, D Plackett, R Playfer, S Plo Casasus, M Polci, F Polok, G Poluektov, A Polycarpo, E Popov, D Popovici, B Potterat, C Powell, A Prisciandaro, J Pugatch, V Puig Navarro, A Qian, W Rademacker, J H Rakotomiaramanana, B Rangel, M S Raniuk, I Raven, G Redford, S Reid, M M dos Reis, A C Ricciardi, S Richards, A Rinnert, K Roa Romero, D A Robbe, P Rodrigues, E Rodrigues, F Rodriguez Perez, P Rogers, G J Roiser, S Romanovsky, V Rosello, M Rouvinet, J Ruf, T Ruiz, H Sabatino, G Saborido Silva, J J Sagidova, N Sail, P Saitta, B Salzmann, C Sanmartin Sedes, B Sannino, M Santacesaria, R Santamarina Rios, C Santinelli, R Santovetti, E Sapunov, M Sarti, A Satriano, C Satta, A Savrie, M Savrina, D Schaack, P Schiller, M Schindler, H Schleich, S Schlupp, M Schmelling, M Schmidt, B Schneider, O Schopper, A Schune, M -H Schwemmer, R Sciascia, B Sciubba, A Seco, M Semennikov, A Senderowska, K Sepp, I Serra, N Serrano, J Seyfert, P Shapkin, M Shapoval, I Shatalov, P Shcheglov, Y Shears, T Shekhtman, L Shevchenko, O Shevchenko, V Shires, A Silva Coutinho, R Skwarnicki, T Smith, N A Smith, E Smith, M Sobczak, K Soler, F J P Solomin, A Soomro, F Souza, D Souza De Paula, B Spaan, B Sparkes, A Spradlin, P Stagni, F Stahl, S Steinkamp, O Stoica, S Stone, S Storaci, B Straticiuc, M Straumann, U Subbiah, V K Swientek, S Szczekowski, M Szczypka, P Szumlak, T T'Jampens, S Teklishyn, M Teodorescu, E Teubert, F Thomas, C Thomas, E van Tilburg, J Tisserand, V Tobin, M Tolk, S Topp-Joergensen, S Torr, N Tournefier, E Tourneur, S Tran, M T Tsaregorodtsev, A Tuning, N Ubeda Garcia, M Ukleja, A Uwer, U Vagnoni, V Valenti, G Vazquez Gomez, R Vazquez Regueiro, P Vecchi, S Velthuis, J J Veltri, M Vesterinen, M Viaud, B Videau, I Vieira, D Vilasis-Cardona, X Visniakov, J Vollhardt, A Volyanskyy, D Voong, D Vorobyev, A Vorobyev, V Voß, C Voss, H Waldi, R Wallace, R Wandernoth, S Wang, J Ward, D R Watson, N K Webber, A D Websdale, D Whitehead, M Wicht, J Wiedner, D Wiggers, L Wilkinson, G Williams, M P Williams, M Wilson, F F Wishahi, J Witek, M Witzeling, W Wotton, S A Wright, S Wu, S Wyllie, K Xie, Y Xing, F Xing, Z Yang, Z Young, R Yuan, X Yushchenko, O Zangoli, M Zavertyaev, M Zhang, F Zhang, L Zhang, W C Zhang, Y Zhelezov, A Zhong, L Zvyagin, A |
author_sort | Aaij, R |
collection | CERN |
description | Using $pp$ collision data corresponding to 1.0~fb^{-1} integrated luminosity collected by the LHCb detector, two narrow states are observed in the $\Lambda_b^0\pi^+\pi^-$ spectrum with masses $5911.95\pm 0.12(\mbox{stat})\pm 0.03(\mbox{syst})\pm 0.66(\Lambda_b^0\mbox{ mass})$ MeV/$c^2$ and $5919.76\pm 0.07(\mbox{stat})\pm 0.02(\mbox{syst})\pm 0.66(\Lambda_b^0\mbox{ mass})$ MeV/$c^2$. The significances of the observations are 4.9 and 10.1 standard deviations, respectively. These states are interpreted as the orbitally-excited $\Lambda_b^0$ baryons, $\Lambda_b^{*0}(5912)$ and $\Lambda_b^{*0}(5920)$. |
id | cern-1449410 |
institution | Organización Europea para la Investigación Nuclear |
language | eng |
publishDate | 2012 |
record_format | invenio |
spelling | cern-14494102023-03-17T03:34:26Zdoi:10.1103/PhysRevLett.109.172003http://cds.cern.ch/record/1449721engAaij, RAbellan Beteta, CAdametz, AAdeva, BAdinolfi, MAdrover, CAffolder, AAjaltouni, ZAlbrecht, JAlessio, FAlexander, MAli, SAlkhazov, GAlvarez Cartelle, PAlves Jr, A AAmato, SAmhis, YAnderson, JAppleby, R BAquines Gutierrez, OArchilli, FArtamonov, AArtuso, MAslanides, EAuriemma, GBachmann, SBack, J JBalagura, VBaldini, WBarlow, R JBarschel, CBarsuk, SBarter, WBates, ABauer, CBauer, ThBay, ABeddow, JBediaga, IBelogurov, SBelous, KBelyaev, IBen-Haim, EBenayoun, MBencivenni, GBenson, SBenton, JBernet, RBettler, M -Ovan Beuzekom, MBien, ABifani, SBird, TBizzeti, ABjørnstad, P MBlake, TBlanc, FBlanks, CBlouw, JBlusk, SBobrov, ABocci, VBondar, ABondar, NBonivento, WBorghi, SBorgia, ABowcock, T J VBozzi, CBrambach, Tvan den Brand, JBressieux, JBrett, DBritsch, MBritton, TBrook, N HBrown, HBüchler-Germann, ABurducea, IBursche, ABuytaert, JCadeddu, SCallot, OCalvi, MCalvo Gomez, MCamboni, ACampana, PCarbone, ACarboni, GCardinale, RCardini, ACarson, LCarvalho Akiba, KCasse, GCattaneo, MCauet, ChCharles, MCharpentier, PhChen, PChiapolini, NChrzaszcz, MCiba, KCid Vidal, XCiezarek, GClarke, P E LClemencic, MCliff, H VClosier, JCoca, CCoco, VCogan, JCogneras, ECollins, PComerma-Montells, AContu, ACook, ACoombes, MCorti, GCouturier, BCowan, G ACraik, DCurrie, RD'Ambrosio, CDavid, PDavid, P N YDe Bonis, IDe Bruyn, KDe Capua, SDe Cian, MDe Miranda, J MDe Paula, LDe Simone, PDecamp, DDeckenhoff, MDegaudenzi, HDel Buono, LDeplano, CDerkach, DDeschamps, ODettori, FDickens, JDijkstra, HDiniz Batista, PDomingo Bonal, FDonleavy, SDordei, FDosil Suárez, ADossett, DDovbnya, ADupertuis, FDzhelyadin, RDziurda, ADzyuba, AEaso, SEgede, UEgorychev, VEidelman, Svan Eijk, DEisele, FEisenhardt, SEkelhof, REklund, LEl Rifai, IElsasser, ChElsby, DEsperante Pereira, DFalabella, AFärber, CFardell, GFarinelli, CFarry, SFave, VFernandez Albor, VFerro-Luzzi, MFilippov, SFitzpatrick, CFontana, MFontanelli, FForty, RFrancisco, OFrank, MFrei, CFrosini, MFurcas, SGallas Torreira, AGalli, DGandelman, MGandini, PGao, YGarnier, J-CGarofoli, JGarra Tico, JGarrido, LGascon, DGaspar, CGauld, RGauvin, NGersabeck, MGershon, TGhez, PhGibson, VGligorov, V VGöbel, CGolubkov, DGolutvin, AGomes, AGordon, HGrabalosa Gándara, MGraciani Diaz, RGranado Cardoso, L AGraugés, EGraziani, GGrecu, AGreening, EGregson, SGrünberg, OGui, BGushchin, EGuz, YuGys, THadjivasiliou, CHaefeli, GHaen, CHaines, S CHampson, THansmann-Menzemer, SHarnew, NHarnew, S THarrison, JHarrison, P FHartmann, THe, JHeijne, VHennessy, KHenrard, PHernando Morata, J Avan Herwijnen, EHicks, EHoballah, MHopchev, PHulsbergen, WHunt, PHuse, THuston, R SHutchcroft, DHynds, DIakovenko, VIlten, PImong, JJacobsson, RJaeger, AJahjah Hussein, MJans, EJansen, FJaton, PJean-Marie, BJing, FJohn, MJohnson, DJones, C RJost, BKaballo, MKandybei, SKaracson, MKarbach, T MKeaveney, JKenyon, I RKerzel, UKetel, TKeune, AKhanji, BKim, Y MKnecht, MKochebina, OKomarov, IKoopman, R FKoppenburg, PKorolev, MKozlinskiy, AKravchuk, LKreplin, KKreps, MKrocker, GKrokovny, PKruse, FKruzelecki, KKucharczyk, MKudryavtsev, VKvaratskheliya, TLa Thi, V NLacarrere, DLafferty, GLai, ALambert, DLambert, R WLanciotti, ELanfranchi, GLangenbruch, CLatham, TLazzeroni, CLe Gac, Rvan Leerdam, JLees, J -PLefèvre, RLeflat, ALefrançois, JLeroy, OLesiak, TLi, LLi, YLi Gioi, LLieng, MLiles, MLindner, RLinn, CLiu, BLiu, Gvon Loeben, JLopes, J HLopez Asamar, ELopez-March, NLu, HLuisier, JMac Raighne, AMachefert, FMachikhiliyan, I VMaciuc, FMaev, OMagnin, JMalde, SMamunur, R M DManca, GMancinelli, GMangiafave, NMarconi, UMärki, RMarks, JMartellotti, GMartens, AMartin, LMartín Sánchez, AMartinelli, MMartinez Santos, DMassafferri, AMathe, ZMatteuzzi, CMatveev, MMaurice, EMaynard, BMazurov, AMcCarthy, JMcGregor, GMcNulty, RMeissner, MMerk, MMerkel, JMilanes, D AMinard, M -NMolina Rodriguez, JMonteil, SMoran, DMorawski, PMountain, RMous, IMuheim, FMüller, KMuresan, RMuryn, BMuster, BMylroie-Smith, JNaik, PNakada, TNandakumar, RNasteva, INeedham, MNeufeld, NNguyen, A DNguyen-Mau, CNicol, MNiess, VNikitin, NNikodem, TNomerotski, ANovoselov, AOblakowska-Mucha, AObraztsov, VOggero, SOgilvy, SOkhrimenko, OOldeman, ROrlandea, MOtalora Goicochea, J MOwen, PPal, B KPalacios, JPalano, APalutan, MPanman, JPapanestis, APappagallo, MParkes, CParkinson, C JPassaleva, GPatel, G DPatel, MPatrick, G NPatrignani, CPavel-Nicorescu, CPazos Alvarez, APellegrino, APenso, GPepe Altarelli, MPerazzini, SPerego, D LPerez Trigo, EPérez-Calero Yzquierdo, APerret, PPerrin-Terrin, MPessina, GPetrolini, APhan, APicatoste Olloqui, EPie Valls, BPietrzyk, BPilař, TPinci, DPlackett, RPlayfer, SPlo Casasus, MPolci, FPolok, GPoluektov, APolycarpo, EPopov, DPopovici, BPotterat, CPowell, APrisciandaro, JPugatch, VPuig Navarro, AQian, WRademacker, J HRakotomiaramanana, BRangel, M SRaniuk, IRaven, GRedford, SReid, M Mdos Reis, A CRicciardi, SRichards, ARinnert, KRoa Romero, D ARobbe, PRodrigues, ERodrigues, FRodriguez Perez, PRogers, G JRoiser, SRomanovsky, VRosello, MRouvinet, JRuf, TRuiz, HSabatino, GSaborido Silva, J JSagidova, NSail, PSaitta, BSalzmann, CSanmartin Sedes, BSannino, MSantacesaria, RSantamarina Rios, CSantinelli, RSantovetti, ESapunov, MSarti, ASatriano, CSatta, ASavrie, MSavrina, DSchaack, PSchiller, MSchindler, HSchleich, SSchlupp, MSchmelling, MSchmidt, BSchneider, OSchopper, ASchune, M -HSchwemmer, RSciascia, BSciubba, ASeco, MSemennikov, ASenderowska, KSepp, ISerra, NSerrano, JSeyfert, PShapkin, MShapoval, IShatalov, PShcheglov, YShears, TShekhtman, LShevchenko, OShevchenko, VShires, ASilva Coutinho, RSkwarnicki, TSmith, N ASmith, ESmith, MSobczak, KSoler, F J PSolomin, ASoomro, FSouza, DSouza De Paula, BSpaan, BSparkes, ASpradlin, PStagni, FStahl, SSteinkamp, OStoica, SStone, SStoraci, BStraticiuc, MStraumann, USubbiah, V KSwientek, SSzczekowski, MSzczypka, PSzumlak, TT'Jampens, STeklishyn, MTeodorescu, ETeubert, FThomas, CThomas, Evan Tilburg, JTisserand, VTobin, MTolk, STopp-Joergensen, STorr, NTournefier, ETourneur, STran, M TTsaregorodtsev, ATuning, NUbeda Garcia, MUkleja, AUwer, UVagnoni, VValenti, GVazquez Gomez, RVazquez Regueiro, PVecchi, SVelthuis, J JVeltri, MVesterinen, MViaud, BVideau, IVieira, DVilasis-Cardona, XVisniakov, JVollhardt, AVolyanskyy, DVoong, DVorobyev, AVorobyev, VVoß, CVoss, HWaldi, RWallace, RWandernoth, SWang, JWard, D RWatson, N KWebber, A DWebsdale, DWhitehead, MWicht, JWiedner, DWiggers, LWilkinson, GWilliams, M PWilliams, MWilson, F FWishahi, JWitek, MWitzeling, WWotton, S AWright, SWu, SWyllie, KXie, YXing, FXing, ZYang, ZYoung, RYuan, XYushchenko, OZangoli, MZavertyaev, MZhang, FZhang, LZhang, W CZhang, YZhelezov, AZhong, LZvyagin, AObservation of excited $\Lambda^0_b$ baryonsParticle Physics - ExperimentUsing $pp$ collision data corresponding to 1.0~fb^{-1} integrated luminosity collected by the LHCb detector, two narrow states are observed in the $\Lambda_b^0\pi^+\pi^-$ spectrum with masses $5911.95\pm 0.12(\mbox{stat})\pm 0.03(\mbox{syst})\pm 0.66(\Lambda_b^0\mbox{ mass})$ MeV/$c^2$ and $5919.76\pm 0.07(\mbox{stat})\pm 0.02(\mbox{syst})\pm 0.66(\Lambda_b^0\mbox{ mass})$ MeV/$c^2$. The significances of the observations are 4.9 and 10.1 standard deviations, respectively. These states are interpreted as the orbitally-excited $\Lambda_b^0$ baryons, $\Lambda_b^{*0}(5912)$ and $\Lambda_b^{*0}(5920)$.Using pp collision data corresponding to 1.0 fb-1 integrated luminosity collected by the LHCb detector, two narrow states are observed in the Lambda_b0pi+pi- spectrum with masses 5911.97 +- 0.12(stat) +- 0.02(syst) +- 0.66(Lambda_b0 mass) MeV/c^2 and 5919.77 +- 0.08(stat) +- 0.02(syst) +- 0.66(Lambda_b0 mass) MeV/c^2. The significances of the observations are 5.2 and 10.2 standard deviations, respectively. These states are interpreted as the orbitally-excited Lambda_b0 baryons, Lambda_b*0(5912) and Lambda_b*0(5920).arXiv:1205.3452CERN-PH-EP-2012-128LHCB-PAPER-2012-012LHCB-PAPER-2012-12LHCB-PAPER-2012-012CERN-PH-EP-2012-128oai:cds.cern.ch:14494102012-05-17 |
spellingShingle | Particle Physics - Experiment Aaij, R Abellan Beteta, C Adametz, A Adeva, B Adinolfi, M Adrover, C Affolder, A Ajaltouni, Z Albrecht, J Alessio, F Alexander, M Ali, S Alkhazov, G Alvarez Cartelle, P Alves Jr, A A Amato, S Amhis, Y Anderson, J Appleby, R B Aquines Gutierrez, O Archilli, F Artamonov, A Artuso, M Aslanides, E Auriemma, G Bachmann, S Back, J J Balagura, V Baldini, W Barlow, R J Barschel, C Barsuk, S Barter, W Bates, A Bauer, C Bauer, Th Bay, A Beddow, J Bediaga, I Belogurov, S Belous, K Belyaev, I Ben-Haim, E Benayoun, M Bencivenni, G Benson, S Benton, J Bernet, R Bettler, M -O van Beuzekom, M Bien, A Bifani, S Bird, T Bizzeti, A Bjørnstad, P M Blake, T Blanc, F Blanks, C Blouw, J Blusk, S Bobrov, A Bocci, V Bondar, A Bondar, N Bonivento, W Borghi, S Borgia, A Bowcock, T J V Bozzi, C Brambach, T van den Brand, J Bressieux, J Brett, D Britsch, M Britton, T Brook, N H Brown, H Büchler-Germann, A Burducea, I Bursche, A Buytaert, J Cadeddu, S Callot, O Calvi, M Calvo Gomez, M Camboni, A Campana, P Carbone, A Carboni, G Cardinale, R Cardini, A Carson, L Carvalho Akiba, K Casse, G Cattaneo, M Cauet, Ch Charles, M Charpentier, Ph Chen, P Chiapolini, N Chrzaszcz, M Ciba, K Cid Vidal, X Ciezarek, G Clarke, P E L Clemencic, M Cliff, H V Closier, J Coca, C Coco, V Cogan, J Cogneras, E Collins, P Comerma-Montells, A Contu, A Cook, A Coombes, M Corti, G Couturier, B Cowan, G A Craik, D Currie, R D'Ambrosio, C David, P David, P N Y De Bonis, I De Bruyn, K De Capua, S De Cian, M De Miranda, J M De Paula, L De Simone, P Decamp, D Deckenhoff, M Degaudenzi, H Del Buono, L Deplano, C Derkach, D Deschamps, O Dettori, F Dickens, J Dijkstra, H Diniz Batista, P Domingo Bonal, F Donleavy, S Dordei, F Dosil Suárez, A Dossett, D Dovbnya, A Dupertuis, F Dzhelyadin, R Dziurda, A Dzyuba, A Easo, S Egede, U Egorychev, V Eidelman, S van Eijk, D Eisele, F Eisenhardt, S Ekelhof, R Eklund, L El Rifai, I Elsasser, Ch Elsby, D Esperante Pereira, D Falabella, A Färber, C Fardell, G Farinelli, C Farry, S Fave, V Fernandez Albor, V Ferro-Luzzi, M Filippov, S Fitzpatrick, C Fontana, M Fontanelli, F Forty, R Francisco, O Frank, M Frei, C Frosini, M Furcas, S Gallas Torreira, A Galli, D Gandelman, M Gandini, P Gao, Y Garnier, J-C Garofoli, J Garra Tico, J Garrido, L Gascon, D Gaspar, C Gauld, R Gauvin, N Gersabeck, M Gershon, T Ghez, Ph Gibson, V Gligorov, V V Göbel, C Golubkov, D Golutvin, A Gomes, A Gordon, H Grabalosa Gándara, M Graciani Diaz, R Granado Cardoso, L A Graugés, E Graziani, G Grecu, A Greening, E Gregson, S Grünberg, O Gui, B Gushchin, E Guz, Yu Gys, T Hadjivasiliou, C Haefeli, G Haen, C Haines, S C Hampson, T Hansmann-Menzemer, S Harnew, N Harnew, S T Harrison, J Harrison, P F Hartmann, T He, J Heijne, V Hennessy, K Henrard, P Hernando Morata, J A van Herwijnen, E Hicks, E Hoballah, M Hopchev, P Hulsbergen, W Hunt, P Huse, T Huston, R S Hutchcroft, D Hynds, D Iakovenko, V Ilten, P Imong, J Jacobsson, R Jaeger, A Jahjah Hussein, M Jans, E Jansen, F Jaton, P Jean-Marie, B Jing, F John, M Johnson, D Jones, C R Jost, B Kaballo, M Kandybei, S Karacson, M Karbach, T M Keaveney, J Kenyon, I R Kerzel, U Ketel, T Keune, A Khanji, B Kim, Y M Knecht, M Kochebina, O Komarov, I Koopman, R F Koppenburg, P Korolev, M Kozlinskiy, A Kravchuk, L Kreplin, K Kreps, M Krocker, G Krokovny, P Kruse, F Kruzelecki, K Kucharczyk, M Kudryavtsev, V Kvaratskheliya, T La Thi, V N Lacarrere, D Lafferty, G Lai, A Lambert, D Lambert, R W Lanciotti, E Lanfranchi, G Langenbruch, C Latham, T Lazzeroni, C Le Gac, R van Leerdam, J Lees, J -P Lefèvre, R Leflat, A Lefrançois, J Leroy, O Lesiak, T Li, L Li, Y Li Gioi, L Lieng, M Liles, M Lindner, R Linn, C Liu, B Liu, G von Loeben, J Lopes, J H Lopez Asamar, E Lopez-March, N Lu, H Luisier, J Mac Raighne, A Machefert, F Machikhiliyan, I V Maciuc, F Maev, O Magnin, J Malde, S Mamunur, R M D Manca, G Mancinelli, G Mangiafave, N Marconi, U Märki, R Marks, J Martellotti, G Martens, A Martin, L Martín Sánchez, A Martinelli, M Martinez Santos, D Massafferri, A Mathe, Z Matteuzzi, C Matveev, M Maurice, E Maynard, B Mazurov, A McCarthy, J McGregor, G McNulty, R Meissner, M Merk, M Merkel, J Milanes, D A Minard, M -N Molina Rodriguez, J Monteil, S Moran, D Morawski, P Mountain, R Mous, I Muheim, F Müller, K Muresan, R Muryn, B Muster, B Mylroie-Smith, J Naik, P Nakada, T Nandakumar, R Nasteva, I Needham, M Neufeld, N Nguyen, A D Nguyen-Mau, C Nicol, M Niess, V Nikitin, N Nikodem, T Nomerotski, A Novoselov, A Oblakowska-Mucha, A Obraztsov, V Oggero, S Ogilvy, S Okhrimenko, O Oldeman, R Orlandea, M Otalora Goicochea, J M Owen, P Pal, B K Palacios, J Palano, A Palutan, M Panman, J Papanestis, A Pappagallo, M Parkes, C Parkinson, C J Passaleva, G Patel, G D Patel, M Patrick, G N Patrignani, C Pavel-Nicorescu, C Pazos Alvarez, A Pellegrino, A Penso, G Pepe Altarelli, M Perazzini, S Perego, D L Perez Trigo, E Pérez-Calero Yzquierdo, A Perret, P Perrin-Terrin, M Pessina, G Petrolini, A Phan, A Picatoste Olloqui, E Pie Valls, B Pietrzyk, B Pilař, T Pinci, D Plackett, R Playfer, S Plo Casasus, M Polci, F Polok, G Poluektov, A Polycarpo, E Popov, D Popovici, B Potterat, C Powell, A Prisciandaro, J Pugatch, V Puig Navarro, A Qian, W Rademacker, J H Rakotomiaramanana, B Rangel, M S Raniuk, I Raven, G Redford, S Reid, M M dos Reis, A C Ricciardi, S Richards, A Rinnert, K Roa Romero, D A Robbe, P Rodrigues, E Rodrigues, F Rodriguez Perez, P Rogers, G J Roiser, S Romanovsky, V Rosello, M Rouvinet, J Ruf, T Ruiz, H Sabatino, G Saborido Silva, J J Sagidova, N Sail, P Saitta, B Salzmann, C Sanmartin Sedes, B Sannino, M Santacesaria, R Santamarina Rios, C Santinelli, R Santovetti, E Sapunov, M Sarti, A Satriano, C Satta, A Savrie, M Savrina, D Schaack, P Schiller, M Schindler, H Schleich, S Schlupp, M Schmelling, M Schmidt, B Schneider, O Schopper, A Schune, M -H Schwemmer, R Sciascia, B Sciubba, A Seco, M Semennikov, A Senderowska, K Sepp, I Serra, N Serrano, J Seyfert, P Shapkin, M Shapoval, I Shatalov, P Shcheglov, Y Shears, T Shekhtman, L Shevchenko, O Shevchenko, V Shires, A Silva Coutinho, R Skwarnicki, T Smith, N A Smith, E Smith, M Sobczak, K Soler, F J P Solomin, A Soomro, F Souza, D Souza De Paula, B Spaan, B Sparkes, A Spradlin, P Stagni, F Stahl, S Steinkamp, O Stoica, S Stone, S Storaci, B Straticiuc, M Straumann, U Subbiah, V K Swientek, S Szczekowski, M Szczypka, P Szumlak, T T'Jampens, S Teklishyn, M Teodorescu, E Teubert, F Thomas, C Thomas, E van Tilburg, J Tisserand, V Tobin, M Tolk, S Topp-Joergensen, S Torr, N Tournefier, E Tourneur, S Tran, M T Tsaregorodtsev, A Tuning, N Ubeda Garcia, M Ukleja, A Uwer, U Vagnoni, V Valenti, G Vazquez Gomez, R Vazquez Regueiro, P Vecchi, S Velthuis, J J Veltri, M Vesterinen, M Viaud, B Videau, I Vieira, D Vilasis-Cardona, X Visniakov, J Vollhardt, A Volyanskyy, D Voong, D Vorobyev, A Vorobyev, V Voß, C Voss, H Waldi, R Wallace, R Wandernoth, S Wang, J Ward, D R Watson, N K Webber, A D Websdale, D Whitehead, M Wicht, J Wiedner, D Wiggers, L Wilkinson, G Williams, M P Williams, M Wilson, F F Wishahi, J Witek, M Witzeling, W Wotton, S A Wright, S Wu, S Wyllie, K Xie, Y Xing, F Xing, Z Yang, Z Young, R Yuan, X Yushchenko, O Zangoli, M Zavertyaev, M Zhang, F Zhang, L Zhang, W C Zhang, Y Zhelezov, A Zhong, L Zvyagin, A Observation of excited $\Lambda^0_b$ baryons |
title | Observation of excited $\Lambda^0_b$ baryons |
title_full | Observation of excited $\Lambda^0_b$ baryons |
title_fullStr | Observation of excited $\Lambda^0_b$ baryons |
title_full_unstemmed | Observation of excited $\Lambda^0_b$ baryons |
title_short | Observation of excited $\Lambda^0_b$ baryons |
title_sort | observation of excited $\lambda^0_b$ baryons |
topic | Particle Physics - Experiment |
url | https://dx.doi.org/10.1103/PhysRevLett.109.172003 http://cds.cern.ch/record/1449721 |
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observationofexcitedlambda0bbaryons AT zavertyaevm observationofexcitedlambda0bbaryons AT zhangf observationofexcitedlambda0bbaryons AT zhangl observationofexcitedlambda0bbaryons AT zhangwc observationofexcitedlambda0bbaryons AT zhangy observationofexcitedlambda0bbaryons AT zhelezova observationofexcitedlambda0bbaryons AT zhongl observationofexcitedlambda0bbaryons AT zvyagina observationofexcitedlambda0bbaryons |