Title: | Observation of the decay B(+/-) -> π(+/-)π(0), study of B(+/-) -> K(+/-)π(0), and search for B(0) -> π(0)π(0) |
Authors: | Aubert, B Barate, R Boutigny, D Gaillard, JM Hicheur, A Karyotakis, Y Lees, JP Robbe, P Tisserand, V Zghiche, A Palano, A Mayer, B Roe, NA Schott, G Vasseur, G Yeche, C Vidal, PB Zito, M Purohit, MV Wilson, MG Lista, L Lusiani, A Abrams, GS Weidemann, AW Yumiceva, FX Aston, D Bartoldus, R Berger, N Romosan, A Cowan, G Boyarski, AM Buchmueller, OL Marchiori, G Borean, C Convery, MR Coupal, DP Patteri, P Albert, J Dong, D Dorfan, J Dunwoodie, W Field, RC Flaecher, HU Martinez-Vidal, F Glanzman, T Dauncey, PD Gowdy, S Ronan, MT Grauges-Pous, E Hadig, T Peruzzi, IM Halyo, V Chen, E Hryn'ova, T Morganti, M Innes, WR Gill, MS Kerth, LT Jessop, C Kelsey, MH Kim, P Kocian, ML Langenegger, U Shelkov, VG Piccolo, M Neri, N Leith, DWGS Luitz, S Dubois-Felsmann, GP Paolucci, P George, S Luth, V Lynch, HL Marsiske, H Menke, S Messner, R Anulli, F Muller, DR O'Grady, CP Zallo, A Ozcan, VE Piccolo, D Telnov, AV Green, MG Perazzo, A Qi, ND Perl, M Paoloni, E Petrak, S Ratcliff, BN Robertson, SH Roodman, A Salnikov, AA Sciacca, C Buzzo, A Schietinger, T Bernet, R Schindler, RH Rama, M Schwiening, J Wenzel, WA Dvoretskii, A Simi, G Snyder, A Soha, A Baak, MA Stelzer, J Su, D Contri, R Lynch, G Levy, SL Sullivan, MK Tanaka, HA Va'vra, J Wagner, SR Weaver, M Hitlin, DG Raven, G Harrison, TJ Weinstein, AJR Back, JJ Wisniewski, WJ Wright, DH Kurup, A Crosetti, G Young, CC Burchat, PR Meyer, TI Roat, C LoSecco, JM Ahmed, S Taras, P Bugg, W Narsky, I Krishnamurthy, M Hawkes, CM Marker, CE Spanier, SM Lo Vetere, M Eckmann, R Kim, H Beringer, J Schmitz, RE Ritchie, JL Schwitters, RF Izen, JM Kitayama, I Lou, XC Porter, FC McMahon, TR Bianchi, F Bona, M Macri, M Rizzo, G Gabriel, TA Knowles, DJ Gamba, D Bosisio, L Della Ricca, G Dittongo, S Grancagnolo, S Lanceri, L Ricciardi, S Poropat, P Sandrelli, F Ryd, A Brau, B Vitale, L Rahatlou, S Vuagnin, G Panvini, RS Penny, RC Banerjee, S Brown, CM Fortin, D Triggiani, G Salvatore, F Jackson, PD Egede, U Kowalewski, R Roney, JM Samuel, A Monge, MR Band, HR Dasu, S Datta, M Walsh, J Eichenbaum, AM Watson, AT Vaitsas, G Stugu, B Hu, H Johnson, JR Liu, R Di Lodovico, F Mohapatra, AK Borgland, AW Haire, M Yang, S Pan, Y Prepost, R Sekula, SJ Pulliam, T Winter, MA von Wimmersperg-Toeller, JH Wu, J Watson, NK Wu, SL Judd, D Yu, Z Neal, H Passaggio, S BABAR Collaboration Jayatilleke, S Brau, J Deppermann, T Brown, D Goetzen, K Koch, H Baldini-Ferroli, R Lewandowski, B Pelizaeus, M Peters, K Schmuecker, H Steinke, M Pastore, FC Kolomensky, YG Barlow, NR Bhimji, W Gritsan, AV Paick, K Mancinelli, G Boyd, JT Chevalier, N Clark, PJ Cottingham, WN Mackay, C Wilson, FF Frey, R Hearty, C Patrignani, C Wagoner, DE Mattison, TS Khan, A McKenna, JA Thiessen, D Meadows, BT Kyberd, P McKemey, AK Blinov, VE Iwasaki, M Bukin, AD Nicholson, H Golubev, VB Ivanchenko, VN Robutti, E Davis, CL Kravchenko, EA Onuchin, AP Serednyakov, SI Skovpen, YI Rong, G Potter, CT Kuznetsova, N Solodov, EP Yushkov, AN Best, D Chao, M Kirkby, D Pompili, A Santroni, A Lankford, AJ Mandelkern, M McMahon, S Danielson, N Sinev, NB Mommsen, RK Roethel, W Sokoloff, MD Stoker, DP Buchanan, C Hadavand, HK Allison, J Hill, EJ Tosi, S Elmer, P Barillari, T Strom, D Blanc, F Bloom, P Ford, WT Nauenberg, U Olivas, A Rankin, P Roy, J Barlow, RJ Schumm, BA Smith, JG Wang, P Eisner, AM Bailey, S van Hoek, WC Zhang, L Harton, JL Hu, T Soffer, A Toki, WH Mir, LM Wilson, RJ Forti, AC Zhang, J Eschrich, I Altenburg, D Brandt, T Morii, M Zhu, YS Brose, J Colberg, T Lu, C Dickopp, M Dubitzky, RS Hauke, A Hart, PA Torrence, E Lacker, HM Maly, E Muller-Pfefferkorn, R Nogowski, R Schwanke, U Miftakov, V Otto, S Eigen, G Schubert, KR Schwierz, R Spaan, B MacFarlane, DB Jackson, F Wilden, L Bernard, D Bonneaud, GR Olsen, J Brochard, F Cohen-Tanugi, J Grenier, GJ T'Jampens, S Thiebaux, C Ofte, I Colecchia, F Vasileiadis, G Lafferty, GD Lee, SJ Smith, AJS Breon, AB Mallik, U Cochran, J Crawley, HB Lamsa, J Meyer, WT Prell, S Dorigo, A Rosenberg, EI Sharma, V Calcaterra, A Lyon, AJ Yi, J Davier, M Grosdidier, G Brown, DN Hocker, A Laplace, S Le Diberder, F Galeazzi, F Lepeltier, V Cartaro, C Lutz, AM Petersen, TC Weatherall, JH Berryhill, JW Plaszczynski, S Schune, MH Tantot, L Wormser, G Button-Shafer, J Margoni, M Varnes, EW Bionta, RM Brigljevic, V Cheng, CH Lange, D Lavin, D Wright, DM Campagnari, C Bevan, AJ Fry, JR Gabathuler, E Verderi, M Kral, JF Gamet, R Kay, M Cahn, RN Payne, DJ Sloane, RJ Williams, JC Touramanis, C Aspinwall, ML Dahmes, B Bellini, F Bowerman, DA Morandin, M Groysman, Y Long, O Farbin, A Jawahery, A Kovalskyi, D Lae, CK Lillard, V Roberts, DA Cavoto, G Blaylock, G Muheim, F Posocco, M Dallapiccola, C Flood, K Hertzbach, SS Lu, A Jacobsen, RG Kofler, R Koptchev, VB del Re, D Moore, TB Staengle, H Willocq, S Rotondo, M Playfer, S Cowan, R Sciolla, G Taylor, F Yamamoto, RK Mazur, MA Faccini, R Mangeol, DJJ Kadel, RW Milek, M Patel, PM Morton, GW Palombo, F Swain, JE Bauer, JM Cremaldi, L Eschenburg, V Seiden, A Kroeger, R Reidy, J Richman, JD Sanders, DA Summers, DJ Simonetto, F Kadyk, J Zhao, HW Tinslay, J Hast, C Ferrarotto, F Heusch, CA Bozzi, C Stroili, R Tiozzo, G Voci, C Benayoun, M Briand, H Chauveau, J Kukartsev, G Nash, JA Oddone, PJ David, P de la Vaissiere, C Del Buono, L Piemontese, L Lockman, WS Hamon, O Leruste, P Ocariz, J Pivk, M Roos, L Ferroni, F Charles, E Stark, J Manfredi, PF LeClerc, C Re, V Sarti, A Gladney, L Schalk, T Guo, QH Panetta, J Cavallo, N Angelini, C Sanders, P Batignani, G Bettarini, S Bondioli, M Bucci, F Calderini, G Treadwell, E Levi, ME Carpinelli, M Gaspero, M Chen, JC Forti, F Taylor, GP Giorgi, MA de Sangro, R Bellodi, G Leonardi, E Mazzoni, MA Morganti, S Pierini, M Piredda, G Tehrani, FS Turri, M De Nardo, G Serra, M Voena, C Orimoto, TJ Harrison, PF Falciai, D Christ, S Wagner, G Waldi, R Adye, T De Groot, N Verkerke, W Franek, B Geddes, NI Walkowiak, W Gopal, GP Shorthouse, HW Olaiya, EO Finocchiaro, G Xella, SM Pripstein, M Aleksan, R Fabozzi, F Emery, S Gaidot, A Ganzhur, SF Giraud, PF de Monchenault, GH Strother, P Williams, DC Kozanecki, W Paar, HP Langer, M Gatto, C London, GW |
Issue Date: | 2003 |
Publisher: | American Physical Society |
Citation: | Physical Review Letters 91(2): Artn 021801, Jul 2003 |
Abstract: | We present results for the branching fractions and charge asymmetries in B±→h±π0 (where h±=π±,K±) and a search for the decay B0→π0π0 using a sample of approximately 88×106 BB̅ pairs collected by the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We measure B(B±→π±π0)=(5.5-0.9+1.0±0.6)×10-6, where the first error is statistical and the second is systematic. The B±→π±π0 signal has a significance of 7.7σ including systematic uncertainties. We simultaneously measure the K±π0 branching fraction to be B(B±→K±π0)=(12.8-1.1+1.2±1.0)×10-6. The charge asymmetries are Aπ±π0=-0.03-0.17+0.18±0.02 and AK±π0=-0.09±0.09±0.01. We place a 90% confidence-level upper limit on the branching fraction B(B0→π0π0) of 3.6×10-6 . |
Description: | This is the pre-print version of the Article. The official published version can be accessed from the links below. Copyright @ 2003 APS |
URI: | http://prl.aps.org/abstract/PRL/v91/i2/e021801 http://bura.brunel.ac.uk/handle/2438/7527 |
DOI: | http://dx.doi.org/10.1103/PhysRevLett.91.021801 |
ISSN: | 0031-9007 |
Appears in Collections: | Electronic and Electrical Engineering Dept of Electronic and Electrical Engineering Research Papers
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