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Search for T and CP violation in $B^0-\bar B^0$ mixing with inclusive dilepton events

Authors :
Aubert, B.
Boutigny, D.
Gaillard, J.M.
Hicheur, A.
Karyotakis, Y.
Lees, J.P.
Robbe, P.
Tisserand, V.
Zghiche, A.
Palano, A.
Pompili, A.
Chen, G.P.
Chen, J.C.
Qi, N.D.
Rong, G.
Wang, P.
Zhu, Y.S.
Eigen, G.
Stugu, B.
Abrams, G.S.
Borgland, A.W.
Brown, D.N.
Button-Shafer, J.
Cahn, R.N.
Gill, M.S.
Gritsan, A.V.
Groysman, Y.
Jacobsen, R.G.
Kadel, R.W.
Kadyk, J.
Kerth, L.T.
Kolomensky, Yu.G.
Kral, J.F.
Levi, M.E.
Lynch, G.
Oddone, P.J.
Pripstein, M.
Roe, N.A.
Romosan, A.
Ronan, M.T.
Shelkov, V.G.
Telnov, A.V.
Wenzel, W.A.
Harrison, T.J.
Hawkes, C.M.
Knowles, D.J.
O'Neale, S.W.
Penny, R.C.
Watson, A.T.
Watson, N.K.
Deppermann, T.
Goetzen, K.
Koch, H.
Kunze, M.
Lewandowski, B.
Peters, K.
Schmuecker, H.
Steinke, M.
Bhimji, W.
Chevalier, N.
Clark, P.J.
Cottingham, W.N.
Foster, B.
Mackay, C.
Wilson, F.F.
Abe, K.
Hearty, C.
Mattison, T.S.
McKenna, J.A.
Thiessen, D.
Jolly, S.
McKemey, A.K.
Blinov, V.E.
Bukin, A.D.
Bukin, D.A.
Buzykaev, A.R.
Golubev, V.B.
Ivanchenko, V.N.
Korol, A.A.
Kravchenko, E.A.
Onuchin, A.P.
Serednyakov, S.I.
Skovpen, Yu.I.
Telnov, V.I.
Yushkov, A.N.
Best, D.
Chao, M.
Kirkby, D.
Lankford, A.J.
Mandelkern, M.
McMahon, S.
Stoker, D.P.
Arisaka, K.
Buchanan, C.
Chun, S.
MacFarlane, D.B.
Prell, S.
Rahatlou, S.
Raven, G.
Sharma, V.
Campagnari, C.
Dahmes, B.
Hart, P.A.
Kuznetsova, N.
Levy, S.L.
Long, O.
Lu, A.
Mazur, M.A.
Richman, J.D.
Verkerke, W.
Beringer, J.
Eisner, A.M.
Grothe, M.
Heusch, C.A.
Lockman, W.S.
Schalk, T.
Schmitz, R.E.
Schumm, B.A.
Seiden, A.
Turri, M.
Walkowiak, W.
Wilson, M.G.
Chen, E.
Dubois-Felsmann, G.P.
Dvoretskii, A.
Hitlin, D.G.
Metzler, S.
Oyang, J.
Porter, F.C.
Ryd, A.
Samuel, A.
Yang, S.
Zhu, R.Y.
Devmal, S.
Jayatilleke, S.
Mancinelli, G.
Meadows, B.T.
Sokoloff, M.D.
Barillari, T.
Bloom, P.
Ford, W.T.
Nauenberg, U.
Olivas, A.
Rankin, P.
Roy, J.
Smith, J.G.
Van Hoek, W.C.
Zhang, L.
Harton, J.L.
Krishnamurthy, M.
Soffer, A.
Toki, W.H.
Wilson, R.J.
Zhang, J.
Brandt, T.
Brose, J.
Colberg, T.
Dickopp, M.
Dubitzky, R.S.
Hauke, A.
Maly, E.
Otto, S.
Schubert, K.R.
Schwierz, R.
Spaan, B.
Wilden, L.
Bernard , D.
Bonneaud, G.R.
Brochard, F.
Cohen-Tanugi, J.
Ferrag, S.
T'Jampens, S.
Thiebaux, C.
Vasileiadis, G.
Verderi, M.
Anjomshoaa, A.
Bernet, R.
Khan, A.
Lavin, D.
Muheim, F.
Playfer, S.
Tinslay, J.
Falbo, M.
Borean, C.
Bozzi, C.
Piemontese, L.
Treadwell, E.
Anulli, F.
Baldini-Ferroli, R.
Calcaterra, A.
De Sangro, R.
Falciai, D.
Finocchiaro, G.
Patteri, P.
Peruzzi, I.M.
Piccolo, M.
Xie, Y.
Zallo, A.
Bagnasco, S.
Buzzo, A.
Contri, R.
Crosetti, G.
Lo Vetere, M.
Macri, M.
Monge, M.R.
Passaggio, S.
Pastore, F.C.
Patrignani, C.
Santroni, A.
Tosi, S.
Morii, M.
Bartoldus, R.
Hamilton, R.
Mallik, U.
Cochran, J.
Crawley, H.B.
Fischer, P.A.
Lamsa, J.
Meyer, W.T.
Rosenberg, E.I.
Yi, J.
Grosdidier, G.
Hocker, A.
Lacker, H.M.
Laplace, S.
Le Diberder, F.
Lepeltier, V.
Lutz, A.M.
Plaszczynski, Stéphane
Schune, M.H.
Trincaz-Duvoid, S.
Wormser, G.
Bionta, R.M.
Brigljevic, V.
Lange, D.J.
Mugge, M.
Van Bibber, K.
Wright, D.M.
Bevan, A.J.
Fry, J.R.
Gabathuler, E.
Gamet, R.
George, M.
Kay, M.
Payne, D.J.
Sloane, R.J.
Touramanis, C.
Aspinwall, M.L.
Bowerman, D.A.
Dauncey, P.D.
Egede, U.
Eschrich, I.
Morton, G.W.
Nash, J.A.
Smith, D.
Back, J.J.
Bellodi, G.
Dixon, P.
Harrison, P.F.
Potter, R.J.L.
Strother, P.
Vidal, P.B.
Cowan, G.
George, S.
Green, M.G.
Kurup, A.
Marker, C.E.
McMahon, T.R.
Ricciardi, S.
Salvatore, F.
Vaitsas, G.
Brown, D.
Davis, C.L.
Allison, J.
Barlow, R.J.
Boyd, J.T.
Forti, A.C.
Jackson, F.
Lafferty, G.D.
Savvas, N.
Weatherall, J.H.
Williams, J.C.
Farbin, A.
Jawahery, A.
Lillard, V.
Olsen, J.
Roberts, D.A.
Schieck, J.R.
Blaylock, G.
Dallapiccola, C.
Flood, K.T.
Hertzbach, S.S.
Kofler, R.
Koptchev, V.B.
Moore, T.B.
Staengle, H.
Willocq, S.
Brau, B.
Cowan, R.
Sciolla, G.
Taylor, F.
Milek, M.
Patel, P.M.
Palombo, F.
Bauer, J.M.
Cremaldi, L.
Eschenburg, V.
Kroeger, R.
Reidy, J.
Sanders, D.A.
Summers, D.J.
Hast, C.
Nief, J.Y.
Taras, P.
Cartaro, C.
Cavallo, N.
De Nardo, G.
Fabozzi, F.
Gatto, C.
Lista, L.
Paolucci, P.
Piccolo, D.
Sciacca, C.
LoSecco, J.M.
Alsmiller, J.R.G.
Gabriel, T.A.
Brau, J.
Frey, R.
Grauges, E.
Iwasaki, M.
Sinev, N.B.
Strom, D.
Colecchia, F.
Dal Corso, F.
Dorigo, A.
Galeazzi, F.
Margoni, M.
Michelon, G.
Morandin, M.
Posocco, M.
Rotondo, M.
Stroili, R.
Torassa, E.
Voci, C.
Benayoun, Maurice.
Briand, H.
Chauveau, J.
David, P.
De La Vaissiere, C.
Del Buono, L.
Hamon, O.
Leruste, P.
Ocariz, J.
Pivk, M.
Roos, L.
Manfredi, P.F.
Re, V.
Speziali, V.
Frank, E.D.
Gladney, L.
Guo, Q.H.
Panetta, J.
Angelini, C.
Batignani, G.
Bettarini, S.
Bondioli, M.
Bucci, F.
Campagna, E.
Carpinelli, M.
Forti, F.
Giorgi, M.A.
Lusiani, A.
Marchiori, G.
Martinez-Vidal, F.
Morganti, M.
Neri, N.
Paoloni, E.
Rama, M.
Rizzo, G.
Sandrelli, F.
Simi, G.
Triggiani, G.
Walsh, J.
Haire, M.
Paick, K.
Turnbull, L.
Wagoner, D.E.
Albert, J.
Lu, C.
Miftakov, V.
Schaffner, S.F.
Smith, A.J.S.
Tumanov, A.
Varnes, E.W.
Cavoto, G.
Del Re, D.
Faccini, R.
Ferrarotto, F.
Ferroni, F.
Mazzoni, M.A.
Morganti, S.
Piredda, G.
Serra, M.
Voena, C.
Christ, S.
Adye, T.
De Groot, N.
Franek, B.
Geddes, N.I.
Gopal, G.P.
Xella, S.M.
Aleksan, R.
Emery, S.
Gaidot, A.
Ganzhur, S.F.
Giraud, P.-F.
Hamel De Monchenault, G.
Langer, M.
London, G.W.
Mayer, B.
Serfass, B.
Vasseur, G.
Yeche, Ch.
Zito, M.
Purohit, M.V.
Singh, H.
Weidemann, A.W.
Yumiceva, F.X.
Adam, I.
Aston, D.
Berger, N.
Boyarski, A.M.
Calderini, G.
Convery, M.R.
Coupal, D.P.
Dong, D.
Dorfan, J.
Field, R.C.
Glanzman, T.
Gowdy, S.J.
Haas, T.
Halyo, V.
Himel, T.
Hrynova, T.
Innes, W.R.
Jessop, C.P.
Kelsey, M.H.
Kim, P.
Kocian, M.L.
Langenegger, U.
Luitz, S.
Luth, V.
Lynch, H.L.
Marsiske, H.
Menke, S.
Messner, R.
O'Grady, C.P.
Ozcan, V.E.
Perazzo, A.
Perl, M.
Petrak, S.
Quinn, H.
Ratcliff, B.N.
Robertson, S.H.
Roodman, A.
Salnikov, A.A.
Schietinger, T.
Schindler, R.H.
Schwiening, J.
Snyder, A.
Soha, A.
Spanier, S.M.
Stelzer, J.
Su, D.
Sullivan, M.K.
Tanaka, H.A.
Vavra, J.
Weaver, M.
Weinstein, A.J.R.
Wisniewski, W.J.
Wright, D.H.
Young, C.C.
Burchat, P.R.
Cheng, C.H.
Meyer, T.I.
Roat, C.
Henderson, R.
Bugg, W.
Cohn, H.
Kitayama, I.
Lou, X.C.
Bianchi, F.
Bona, M.
Gamba, D.
Bosisio, L.
Ricca, G.
Dittongo, S.
Lanceri, L.
Poropat, P.
Vuagnin, G.
Panvini, R.S.
Brown, C.M.
Jackson, P.D.
Kowalewski, R.
Roney, J.M.
Band, H.R.
Charles, E.
Dasu, S.
Datta, M.
Eichenbaum, A.M.
Hu, H.
Johnson, J.R.
Liu, R.
Di Lodovico, F.
Pan, Y.
Prepost, R.
Scott, I.J.
Sekula, S.J.
Von Wimmersperg-Toeller, J.H.
Wu, S.L.
Yu, Z.
Kordich, T.M.B.
Neal, H.
Laboratoire d'Annecy de Physique des Particules (LAPP)
Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)
Laboratoire Leprince-Ringuet (LLR)
Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS)
Laboratoire de l'Accélérateur Linéaire (LAL)
Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE)
Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
BABAR
Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)
Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)
Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC)
BOMBAR, Claudine
Source :
Physical Review Letters, Physical Review Letters, 2002, 88, pp.231801, Physical Review Letters, American Physical Society, 2002, 88, pp.231801
Publication Year :
2002
Publisher :
HAL CCSD, 2002.

Abstract

We report the results of a search for T and CP violation in B0-anti-B0 mixing using an inclusive dilepton sample collected by the BaBar experiment at the PEP-II B Factory. The asymmetry between (l+,l+) and (l-,l-) events allows us to compare the probabilities P(anti-B0 -> B0) and P(B0 -> anti-B0) oscillations and thus probe T and CP invariance. Using a sample of 23 million B-anti-B pairs, we measure a same-sign dilepton asymmetry of A_(T/CP)=(0.5 +- 1.2(stat) +- 1.4(syst))%. For the modulus of the ratio of complex mixing parameters p and q, we obtain |q/p| = 0.998 +- 0.006(stat) +- 0.007(syst).

Subjects

Subjects :
[PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex]
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]

Details

Language :
English
ISSN :
00319007 and 10797114
Database :
OpenAIRE
Journal :
Physical Review Letters, Physical Review Letters, 2002, 88, pp.231801, Physical Review Letters, American Physical Society, 2002, 88, pp.231801
Accession number :
edsair.dedup.wf.001..4ca8408ed94d8c2976cb3203dee0d788

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