Title: | Evidence for B+ -> J/psi p(Lambda)over-bar and search for B-0 -> J/psi p(p)over-bar |
Authors: | Barate, R Boutigny, D Gaillard, JM Hicheur, A Karyotakis, Y Lees, JP Robbe, P Tisserand, V Zghiche, A Palano, A MacFarlane, DB Verderi, M Khan, A Lavin, D Muheim, F Playfer, S Swain, JE Tinslay, J Bozzi, C Stugu, B Piemontese, L Paar, HP Sarti, A Treadwell, E Anulli, F Baldini-Ferroli, R Calcaterra, A de Sangro, R Falciai, D Finocchiaro, G Patteri, P Abrams, GS Rahatlou, S Peruzzi, IM Piccolo, M Zallo, A Buzzo, A Contri, R Crosetti, G Lo Vetere, M Macri, M Monge, MR Passaggio, S Schwanke, U Borgland, AW Pastore, FC Patrignani, C Robutti, E Santroni, A Tosi, S Bailey, S Morii, M Grenier, GJ Lee, SJ Sharma, V Mallik, U Breon, AB Cochran, J Crawley, HB Lamsa, J Meyer, WT Prell, S Rosenberg, EI Yi, J Davier, M Berryhill, JW Grosdidier, G Hocker, A Brown, DN Laplace, S Le Diberder, F Lepeltier, V Lutz, AM Petersen, TC Plaszczynski, S Schune, MH Campagnari, C Tantot, L Wormser, G Bionta, RM Button-Shafer, J Brigljevic, V Cheng, CH Lange, DJ Wright, DM Bevan, AJ Fry, JR Dahmes, B Gabathuler, E Gamet, R Kay, M Payne, DJ Cahn, RN Sloane, RJ Touramanis, C Aspinwall, ML Bowerman, DA Dauncey, PD Kuznetsova, N Egede, U Eschrich, I Morton, GW Nash, JA Sanders, P Charles, E Taylor, GP Back, JJ Bellodi, G Harrison, PF Levy, SL Shorthouse, HW Strother, P Vidal, PB Cowan, G Flaecher, HU George, S Day, CT Green, MG Kurup, A Marker, CE Pompili, A McMahon, TR Ricciardi, S Salvatore, F Vaitsas, G Winter, MA Brown, D Davis, CL Gill, MS Allison, J Barlow, RJ Long, O Forti, AC Hart, PA Jackson, F Lafferty, GD Lyon, AJ Weatherall, JH Williams, JC Farbin, A Gritsan, AV Jawahery, A Lu, A Kovalskyi, D Lae, CK Lillard, V Roberts, DA Blaylock, G Dallapiccola, C Flood, KT Hertzbach, SS Kofler, R Groysman, Y Mazur, MA Koptchev, VB Moore, TB Staengle, H Willocq, S Cowan, R Sciolla, G Taylor, F Yamamoto, RK Mangeol, DJJ Milek, M Richman, JD Jacobsen, RG Patel, PM Lazzaro, A Palombo, F Bauer, JM Cremaldi, L Eschenburg, V Godang, R Kroeger, R Reidy, J Verkerke, W Sanders, DA Kadel, RW Summers, DJ Zhao, HW Hast, C Taras, P Nicholson, H Cartaro, C Cavallo, N De Nardo, G Beringer, J Fabozzi, F Gatto, C Kadyk, J Lista, L Paolucci, P Piccolo, D Sciacca, C Baak, MA Raven, G LoSecco, JM Eisner, AM Gabriel, TA Brau, B Pulliam, T Kerth, LT Brau, J Frey, R Iwasaki, M Potter, CT Sinev, NB Strom, D Heusch, CA Torrence, E Colecchia, F Dorigo, A Galeazzi, F Kolomensky, YG Margoni, M Morandin, M Posocco, M Rotondo, M Simonetto, F Lockman, WS Stroili, R Tiozzo, G Voci, C Benayoun, M Briand, H Kral, JF Chauveau, J David, P de la Vaissiere, C Del Buono, L Schalk, T Hamon, O Leruste, P Ocariz, J Pivk, M Roos, L Stark, J Kukartsev, G T'Jampens, S Manfredi, PF Re, V Chen, JC Gladney, L Guo, QH Panetta, J Angelini, C Batignani, G Bettarini, S Bondioli, M LeClerc, C Bucci, F Calderini, G Schmitz, RE Carpinelli, M Forti, F Giorgi, MA Lusiani, A Marchiori, G Martinez-Vidal, F Morganti, M Neri, N Levi, ME Paoloni, E Schumm, BA Rama, M Rizzo, G Sandrelli, F Walsh, J Haire, M Judd, D Paick, K Wagoner, DE Danielson, N Lynch, G Seiden, A Elmer, P Lu, C Miftakov, V Olsen, J Smith, AJS Varnes, EW Bellini, F Cavoto, G del Re, D Faccini, R Turri, M Mir, LM Ferrarotto, F Ferroni, F Gaspero, M Leonardi, E Mazzoni, MA Morganti, S Pierini, M Piredda, G Tehrani, FS Walkowiak, W Serra, M Oddone, PJ Voena, C Christ, S Wagner, G Waldi, R Adye, T De Groot, N Franek, B Geddes, NI Williams, DC Gopal, GP Olaiya, EO Orimoto, TJ Xella, SM Aleksan, R Emery, S Gaidot, A Ganzhur, SF Giraud, PF de Monchenault, GH Wilson, MG Kozanecki, W Langer, M London, GW Pripstein, M Mayer, B Schott, G Vasseur, G Yeche, C Zito, M Purohit, MV Albert, J Weidemann, AW Yumiceva, FX Aston, D Bartoldus, R Roe, NA Berger, N Boyarski, AM Buchmueller, OL Convery, MR Coupal, DP Chen, E Dong, D Dorfan, J Dujmic, D Dunwoodie, W Field, RC Romosan, A Glanzman, T Gowdy, SJ Grauges-Pous, E Hadig, T Dorsten, MP Halyo, V Hryn'ova, T Innes, WR Jessop, CP Kelsey, MH Kim, P Ronan, MT Kocian, ML Langenegger, U Leith, D Qi, ND Luitz, S Luth, V Lynch, HL Marsiske, H Menke, S Messner, R Muller, DR Shelkov, VG O'Grady, CP Ozcan, VE Dubois-Felsmann, GP Perazzo, A Perl, M Petrak, S Ratcliff, BN Robertson, SH Roodman, A Salnikov, AA Schindler, RH Telnov, AV Schwiening, J Dvoretskii, A Simi, G Snyder, A Soha, A Stelzer, J Su, D Sullivan, MK Tanaka, HA Va'vra, J Wagner, SR Wenzel, WA Hitlin, DG Weaver, M Weinstein, AJR Wisniewski, WJ Wright, DH Young, CC Burchat, PR Meyer, TI Roat, C Ahmed, S Ernst, JA Narsky, I Harrison, TJ Bugg, W Krishnamurthy, M Spanier, SM Eckmann, R Kim, H Ritchie, JL Schwitters, RF Izen, JM Kitayama, I Porter, FC Lou, XC Hawkes, CM Ye, S Bianchi, F Bona, M Gallo, F Gamba, D Borean, C Bosisio, L Della Ricca, G Ryd, A Dittongo, S Grancagnolo, S Knowles, DJ Lanceri, L Poropat, P Vitale, L Vuagnin, G Panvini, RS Banerjee, S Brown, CM Samuel, A Fortin, D Jackson, PD Kowalewski, R Penny, RC Roney, JM Band, HR Dasu, S Datta, M Eichenbaum, AM Hu, H Yang, S Johnson, JR Liu, R Di Lodovico, F Mohapatra, AK Watson, AT Pan, Y Prepost, R Sekula, SJ von Wimmersperg-Toeller, JH Wu, J Jayatilleke, S Wu, SL Yu, Z Neal, H BABAR Collaboration Watson, NK Deppermann, T Goetzen, K Koch, H Lewandowski, B Pelizaeus, M Mancinelli, G Peters, K Schmuecker, H Steinke, M Barlow, NR Bhimji, W Boyd, JT Chevalier, N Cottingham, WN Mackay, C Wilson, FF Rong, G Hearty, C Mattison, TS McKenna, JA Thiessen, D Kyberd, P McKemey, AK Blinov, VE Bukin, AD Golubev, VB Ivanchenko, VN Meadows, BT Kravchenko, EA Onuchin, AP Serednyakov, SI Skovpen, YI Solodov, EP Yushkov, AN Best, D Chao, M Kirkby, D Lankford, AJ Sokoloff, MD Mandelkern, M McMahon, S Mommsen, RK Roethel, W Stoker, DP Buchanan, C Hadavand, HK Hill, EJ Barillari, T Blanc, F Bloom, P Clark, PJ Ford, WT Nauenberg, U Olivas, A Rankin, P Wang, P Roy, J Smith, JG van Hoek, WC Zhang, L Harton, JL Hu, T Soffer, A Toki, WH Wilson, RJ Zhang, J Zhu, YS Altenburg, D Brandt, T Brose, J Colberg, T Dickopp, M Dubitzky, RS Hauke, A Lacker, HM Maly, E Muller-Pfefferkorn, R Eigen, G Nogowski, R Otto, S Schubert, KR Schwierz, R Spaan, B Wilden, L Bernard, D Bonneaud, GR Brochard, F Cohen-Tanugi, J Ofte, I Thiebaux, C Vasileiadis, G |
Issue Date: | 2003 |
Citation: | Physical Review Letters, 2003, 90 (23) |
Abstract: | We have performed a search for the decays B+-->J/psip (&ULambda;) over bar and B-0-->J/psip (p) over bar in a data set of (88.9+/-1.0)x10(6) Y(4S) decays collected by the BABAR experiment at the PEP-II e(+)e(-) storage ring at the Stanford Linear Accelerator Center. Four charged B candidates have been observed with an expected background of 0.21+/-0.14 events. The corresponding branching fraction is (12(-6)(+9))x10(-6), where statistical and systematic uncertainties have been combined. The result can be interpreted as a 90% confidence level (C.L.) upper limit of 26x10(-6). We also find one B-0 candidate, with an expected background of 0.64+/-0.17 events, implying a 90% C.L. upper limit of 1.9x10(-6). |
URI: | http://bura.brunel.ac.uk/handle/2438/15973 |
DOI: | http://dx.doi.org/10.1103/PhysRevLett.90.231801 |
ISSN: | 231801 231801 0031-9007 |
Appears in Collections: | Dept of Mechanical and Aerospace Engineering Research Papers
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