학술논문

Measurement of the CP violating phase \phi_s in Bs->J/\psi f0(980)
Document Type
Working Paper
Author
LHCb CollaborationAaij, R.Beteta, C. AbellanAdeva, B.Adinolfi, M.Adrover, C.Affolder, A.Ajaltouni, Z.Albrecht, J.Alessio, F.Alexander, M.Alkhazov, G.Cartelle, P. AlvarezAlves Jr, A. A.Amato, S.Amhis, Y.Anderson, J.Appleby, R. B.Gutierrez, O. AquinesArchilli, F.Arrabito, L.Artamonov, A.Artuso, M.Aslanides, E.Auriemma, G.Bachmann, S.Back, J. J.Bailey, D. S.Balagura, V.Baldini, W.Barlow, R. J.Barschel, C.Barsuk, S.Barter, W.Bates, A.Bauer, C.Bauer, Th.Bay, A.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.Brand, J. van denBressieux, 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.Gomez, M. CalvoCamboni, A.Campana, P.Carbone, A.Carboni, G.Cardinale, R.Cardini, A.Carson, L.Akiba, K. CarvalhoCasse, G.Cattaneo, M.Cauet, Ch.Charles, M.Charpentier, Ph.Chiapolini, N.Ciba, K.Vidal, X. CidCiezarek, G.Clarke, P. E. L.Clemencic, M.Cliff, H. V.Closier, J.Coca, C.Coco, V.Cogan, J.Collins, P.Comerma-Montells, A.Constantin, F.Contu, A.Cook, A.Coombes, M.Corti, G.Cowan, G. A.Currie, R.D'Ambrosio, C.David, P.David, P. N. Y.De Bonis, I.De Capua, S.De Cian, M.De Lorenzi, F.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.Batista, P. DinizBonal, F. DomingoDonleavy, S.Dordei, F.Suárez, A. DosilDossett, D.Dovbnya, A.Dupertuis, F.Dzhelyadin, R.Dziurda, A.Easo, S.Egede, U.Egorychev, V.Eidelman, S.van Eijk, D.Eisele, F.Eisenhardt, S.Ekelhof, R.Eklund, L.Elsasser, Ch.Elsby, D.Pereira, D. EsperanteEstève, L.Falabella, A.Fanchini, E.Färber, C.Fardell, G.Farinelli, C.Farry, S.Fave, V.Albor, V. FernandezFerro-Luzzi, M.Filippov, S.Fitzpatrick, C.Fontana, M.Fontanelli, F.Forty, R.Frank, M.Frei, C.Frosini, M.Furcas, S.Torreira, A. GallasGalli, D.Gandelman, M.Gandini, P.Gao, Y.Garnier, J-C.Garofoli, J.Tico, J. GarraGarrido, L.Gascon, D.Gaspar, C.Gauvin, N.Gersabeck, M.Gershon, T.Ghez, Ph.Gibson, V.Gligorov, V. V.Göbel, C.Golubkov, D.Golutvin, A.Gomes, A.Gordon, H.Gándara, M. GrabalosaDiaz, R. GracianiCardoso, L. A. GranadoGraugés, E.Graziani, G.Grecu, A.Greening, E.Gregson, S.Gui, B.Gushchin, E.Guz, Yu.Gys, T.Haefeli, G.Haen, C.Haines, S. C.Hampson, T.Hansmann-Menzemer, S.Harji, R.Harnew, N.Harrison, J.Harrison, P. F.Hartmann, T.He, J.Heijne, V.Hennessy, K.Henrard, P.Morata, J. A. Hernandovan Herwijnen, E.Hicks, E.Holubyev, K.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.Hussein, M. JahjahJans, 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.Koppenburg, P.Kozlinskiy, A.Kravchuk, L.Kreplin, K.Kreps, M.Krocker, G.Krokovny, P.Kruse, F.Kruzelecki, K.Kucharczyk, M.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.Gac, R. Levan Leerdam, J.Lees, J. -P.Lefèvre, R.Leflat, A.Lefrançois, J.Leroy, O.Lesiak, T.Li, L.Gioi, L. LiLieng, M.Liles, M.Lindner, R.Linn, C.Liu, B.Liu, G.von Loeben, J.Lopes, J. H.Asamar, E. LopezLopez-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.Sánchez, A. MartínSantos, D. MartinezMassafferri, A.Mathe, Z.Matteuzzi, C.Matveev, M.Maurice, E.Maynard, B.Mazurov, A.McGregor, G.McNulty, R.Meissner, M.Merk, M.Merkel, J.Messi, R.Miglioranzi, S.Milanes, D. A.Minard, M. -N.Rodriguez, J. MolinaMonteil, S.Moran, D.Morawski, P.Mountain, R.Mous, I.Muheim, F.Müller, K.Muresan, R.Muryn, B.Muster, B.Musy, M.Mylroie-Smith, J.Naik, P.Nakada, T.Nandakumar, R.Nasteva, I.Nedos, M.Needham, M.Neufeld, N.Nguyen-Mau, C.Nicol, M.Niess, V.Nikitin, N.Nomerotski, A.Novoselov, A.Oblakowska-Mucha, A.Obraztsov, V.Oggero, S.Ogilvy, S.Okhrimenko, O.Oldeman, R.Orlandea, M.Goicochea, J. M. OtaloraOwen, P.Pal, 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.Paterson, S. K.Patrick, G. N.Patrignani, C.Pavel-Nicorescu, C.Alvarez, A. PazosPellegrino, A.Penso, G.Altarelli, M. PepePerazzini, S.Perego, D. L.Trigo, E. PerezYzquierdo, A. Pérez-CaleroPerret, P.Perrin-Terrin, M.Pessina, G.Petrella, A.Petrolini, A.Phan, A.Olloqui, E. PicatosteValls, B. PiePietrzyk, B.Pilař, T.Pinci, D.Plackett, R.Playfer, S.Casasus, M. PloPolok, G.Poluektov, A.Polycarpo, E.Popov, D.Popovici, B.Potterat, C.Powell, A.Prisciandaro, J.Pugatch, V.Navarro, A. PuigQian, W.Rademacker, J. H.Rakotomiaramanana, B.Rangel, M. S.Raniuk, I.Raven, G.Redford, S.Reid, M. M.Reis, A. C. dosRicciardi, S.Rinnert, K.Romero, D. A. RoaRobbe, P.Rodrigues, E.Rodrigues, F.Perez, P. RodriguezRogers, G. J.Roiser, S.Romanovsky, V.Rosello, M.Rouvinet, J.Ruf, T.Ruiz, H.Sabatino, G.Silva, J. J. SaboridoSagidova, N.Sail, P.Saitta, B.Salzmann, C.Sannino, M.Santacesaria, R.Rios, C. SantamarinaSantinelli, R.Santovetti, E.Sapunov, M.Sarti, A.Satriano, C.Satta, A.Savrie, M.Savrina, D.Schaack, P.Schiller, M.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.Coutinho, R. SilvaSkwarnicki, T.Smith, A. C.Smith, N. A.Smith, E.Sobczak, K.Soler, F. J. P.Solomin, A.Soomro, F.De Paula, B. SouzaSpaan, 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.Teodorescu, E.Teubert, F.Thomas, C.Thomas, E.van Tilburg, J.Tisserand, V.Tobin, M.Topp-Joergensen, S.Torr, N.Tournefier, E.Tran, M. T.Tsaregorodtsev, A.Tuning, N.Garcia, M. UbedaUkleja, A.Urquijo, P.Uwer, U.Vagnoni, V.Valenti, G.Gomez, R. VazquezRegueiro, P. VazquezVecchi, S.Velthuis, J. J.Veltri, M.Viaud, B.Videau, I.Vilasis-Cardona, X.Visniakov, J.Vollhardt, A.Volyanskyy, D.Voong, D.Vorobyev, A.Voss, H.Wandernoth, S.Wang, J.Ward, D. R.Watson, N. K.Webber, A. D.Websdale, D.Whitehead, M.Wiedner, D.Wiggers, L.Wilkinson, G.Williams, M. P.Williams, M.Wilson, F. F.Wishahi, J.Witek, M.Witzeling, W.Wotton, S. A.Wyllie, K.Xie, Y.Xing, F.Xing, Z.Yang, Z.Young, R.Yushchenko, O.Zavertyaev, M.Zhang, F.Zhang, L.Zhang, W. C.Zhang, Y.Zhelezov, A.Zhong, L.Zverev, E.Zvyagin, A.
Source
Aaij et. al., Phys.Lett., B707, 497-505 (2012)
Subject
High Energy Physics - Experiment
Language
Abstract
Measurement of mixing-induced CP violation in Bs decays is of prime importance in probing new physics. So far only the channel Bs->J/\psi \phi\ has been used. Here we report on a measurement using an LHCb data sample of 0.41/fb in the CP odd eigenstate J\psi f0(980), where f0(980)->\pi+ \pi-. A time dependent fit of the data with the Bs lifetime and the difference in widths of the heavy and light eigenstates constrained to the values obtained from Bs-> J/\psi\phi\ yields a value of the CP violating phase of -0.44 +/- 0.44 +/- 0.02 rad, consistent with the Standard Model expectation.
Comment: 15 pages 8 figures; 525 additional authors not shown. Final version with journal corrections. To be published in Phys. Lett. B