Branching fraction and asymmetry measurements of charmless B+ -> K*+ h(1)+ h(2)- (where h(1,2)=K, pi) decays are presented, using a data sample of 232x10(6) Upsilon(4S) -> B anti-B decays collected with the BABAR detector at the SLAC PEP-II asymmetric-energy B factory. Using a maximum likelihood fit, the following branching fraction results were obtained: B(B+ -> K*+K+K-)=(36.2 +/- 3.3 +/- 3.6)x10(-6) and B(B+ -> K*+pi+pi-)=(75.3 +/- 6.0 +/- 8.1)x10(-6). Upper limits were set for B(B+ -> K*+pi+K-)< 11.8x10(-6) and B(B+ -> K*+K+pi-)< 6.1x10(-6) at 90% confidence level. The charge asymmetries for the decays B+ -> K*+K+K- and B+ -> K*+pi+pi- were measured to be A_(K*KK)=0.11 +/- 0.08 +/- 0.03 and A_(K*pi pi)=0.07 +/- 0.07 +/- 0.04, respectively. The first error quoted on branching fraction and asymmetry measurements is statistical and the second systematic.

Branching fraction measurements of charged B decays to K*+K+K-, K*+ pi+ K-, K*+ K+ pi- and K*+ pi+ pi- final states / B. AUBERT, R. BARATE, M. BONA, D. BOUTIGNY, F. COUDERC, Y. KARYOTAKIS, J.P. LEES, V. POIREAU, V. TISSERAND, A. ZGHICHE, E. GRAUGES, A. PALANO, J.C. CHEN, N.D. QI, G. RONG, P. WANG, Y.S. ZHU, G. EIGEN, I. OFTE, B. STUGU, G.S. ABRAMS, M. BATTAGLIA, D.N. BROWN, J. BUTTON-SHAFER, R.N. CAHN, E. CHARLES, M.S. GILL, Y. GROYSMAN, R.G. JACOBSEN, J.A. KADYK, L.T. KERTH, Y.G. KOLOMENSKY, G. KUKARTSEV, G. LYNCH, L.M. MIR, T.J. ORIMOTO, M. PRIPSTEIN, N.A. ROE, M.T. RONAN, W.A. WENZEL, P.D. SANCHEZ, M. BARRETT, K.E. FORD, T.J. HARRISON, A.J. HART, C.M. HAWKES, S.E. MORGAN, A.T. WATSON, T. HELD, H. KOCH, B. LEWANDOWSKI, M. PELIZAEUS, K. PETERS, T. SCHROEDER, M. STEINKE, J.T. BOYD, J.P. BURKE, W.N. COTTINGHAM, D. WALKER, T. CUHADAR-DONSZELMANN, B.G. FULSOM, C. HEARTY, N.S. KNECHT, T.S. MATTISON, J.A. MCKENNA, A. KHAN, P. KYBERD, M. SALEEM, D.J. SHERWOOD, L. TEODORESCU, V.E. BLINOV, A.D. BUKIN, V.P. DRUZHININ, V.B. GOLUBEV, A.P. ONUCHIN, S.I. SEREDNYAKOV, Y.I. SKOVPEN, E.P. SOLODOV, K.Y. TODYSHEV, D.S. BEST, M. BONDIOLI, M. BRUINSMA, M. CHAO, S. CURRY, I. ESCHRICH, D. KIRKBY, A.J. LANKFORD, P. LUND, M. MANDELKERN, R.K. MOMMSEN, W. ROETHEL, D.P. STOKER, S. ABACHI, C. BUCHANAN, S.D. FOULKES, J.W. GARY, O. LONG, B.C. SHEN, K. WANG, L. ZHANG, H.K. HADAVAND, E.J. HILL, H.P. PAAR, S. RAHATLOU, V. SHARMA, J.W. BERRYHILL, C. CAMPAGNARI, A. CUNHA, B. DAHMES, T.M. HONG, D. KOVALSKYI, J.D. RICHMAN, T.W. BECK, A.M. EISNER, C.J. FLACCO, C.A. HEUSCH, J. KROSEBERG, W.S. LOCKMAN, G. NESOM, T. SCHALK, B.A. SCHUMM, A. SEIDEN, P. SPRADLIN, D.C. WILLIAMS, M.G. WILSON, J. ALBERT, E. CHEN, A. DVORETSKII, F. FANG, D.G. HITLIN, I. NARSKY, T. PIATENKO, F.C. PORTER, A. RYD, A. SAMUEL, G. MANCINELLI, B.T. MEADOWS, K. MISHRA, M.D. SOKOLOFF, F. BLANC, P.C. BLOOM, S. CHEN, W.T. FORD, J.F. HIRSCHAUER, A. KREISEL, M. NAGEL, U. NAUENBERG, A. OLIVAS, W.O. RUDDICK, J.G. SMITH, K.A. ULMER, S.R. WAGNER, J. ZHANG, A. CHEN, E.A. ECKHART, A. SOFFER, W.H. TOKI, R.J. WILSON, F. WINKLMEIER, Q. ZENG, D.D. ALTENBURG, E. FELTRESI, A. HAUKE, H. JASPER, A. PETZOLD, B. SPAAN, T. BRANDT, V. KLOSE, H.M. LACKER, W.F. MADER, R. NOGOWSKI, J. SCHUBERT, K.R. SCHUBERT, R. SCHWIERZ, J.E. SUNDERMANN, A. VOLK, D. BERNARD, G.R. BONNEAUD, P. GRENIER, E. LATOUR, C. THIEBAUX, M. VERDERI, P.J. CLARK, W. GRADL, F. MUHEIM, S. PLAYFER, A.I. ROBERTSON, Y. XIE, M. ANDREOTTI, D. BETTONI, C. BOZZI, R. CALABRESE, G. CIBINETTO, E. LUPPI, M. NEGRINI, A. PETRELLA, L. PIEMONTESE, E. PRENCIPE, F. ANULLI, R. BALDINI-FERROLI, A. CALCATERRA, R. DE SANGRO, G. FINOCCHIARO, S. PACETTI, P. PATTERI, I.M. PERUZZI, M. PICCOLO, M. RAMA, A. ZALLO, A. BUZZO, R. CAPRA, R. CONTRI, M. LO VETERE, M.M. MACRI, M.R. MONGE, S. PASSAGGIO, C. PATRIGNANI, E. ROBUTTI, A. SANTRONI, S. TOSI, G. BRANDENBURG, K.S. CHAISANGUANTHUM, M. MORII, J. WU, R.S. DUBITZKY, J. MARKS, S. SCHENK, U. UWER, W. BHIMJI, D.A. BOWERMAN, P.D. DAUNCEY, U. EGEDE, R.L. FLACK, J.A. NASH, M.B. NIKOLICH, W.P. VAZQUEZ, P.K. BEHERA, X. CHAI, M.J. CHARLES, U. MALLIK, N.T. MEYER, V. ZIEGLER, J. COCHRAN, H.B. CRAWLEY, L. DONG, V. EYGES, W.T. MEYER, S. PRELL, E.I. ROSENBERG, A.E. RUBIN, A.V. GRITSAN, A.G. DENIG, M. FRITSCH, G. SCHOTT, N. ARNAUD, M. DAVIER, G. GROSDIDIER, A. HOCKER, F. LE DIBERDER, V. LEPELTIER, A.M. LUTZ, A. OYANGUREN, S. PRUVOT, S. RODIER, P. ROUDEAU, M.H. SCHUNE, A. STOCCHI, W.F. WANG, G. WORMSER, C.H. CHENG, D.J. LANGE, D.M. WRIGHT, C.A. CHAVEZ, I.J. FORSTER, J.R. FRY, E. GABATHULER, R. GAMET, K.A. GEORGE, D.E. HUTCHCROFT, D.J. PAYNE, K.C. SCHOFIELD, C. TOURAMANIS, A.J. BEVAN, F. DI LODOVICO, W. MENGES, R. SACCO, G. COWAN, H.U. FLAECHER, D.A. HOPKINS, P.S. JACKSON, T.R. MCMAHON, S. RICCIARDI, F. SALVATORE, A.C. WREN, D.N. BROWN, C.L. DAVIS, J. ALLISON, N.R. BARLOW, R.J. BARLOW, Y.M. CHIA, C.L. EDGAR, G.D. LAFFERTY, M.T. NAISBIT, J.C. WILLIAMS, J.I. YI, C. CHEN, W.D. HULSBERGEN, A. JAWAHERY, C.K. LAE, D.A. 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DEL BUONO, C. DE LA VAISSIERE, O. HAMON, B.L. HARTFIEL, M.J.J. JOHN, P. LERUSTE, J. MALCLES, J. OCARIZ, L. ROOS, G. THERIN, L. GLADNEY, J. PANETTA, M. BIASINI, R. COVARELLI, C. ANGELINI, G. BATIGNANI, S. BETTARINI, F. BUCCI, G. CALDERINI, M. CARPINELLI, R. CENCI, F. FORTI, M.A. GIORGI, A. LUSIANI, G. MARCHIORI, M.A. MAZUR, M. MORGANTI, N. NERI, G. RIZZO, J.J. WALSH, M. HAIRE, D. JUDD, D.E. WAGONER, J. BIESIADA, N. DANIELSON, P. ELMER, Y.P. LAU, C. LU, J. OLSEN, A.J.S. SMITH, A.V. TELNOV, F. BELLINI, G. CAVOTO, A. D'ORAZIO, D. DEL RE, E. DI MARCO, R. FACCINI, F. FERRAROTTO, F. FERRONI, M. GASPERO, L.L. GIOI, M.A. MAZZONI, S. MORGANTI, G. PIREDDA, F. POLCI, F.S. TEHRANI, C. VOENA, M. EBERT, H. SCHRODER, R. WALDI, T. ADYE, N. DE GROOT, B. FRANEK, E.O. OLAIYA, F.F. WILSON, R. ALEKSAN, S. EMERY, A. GAIDOT, S.F. GANZHUR, G.H. DE MONCHENAULT, W. KOZANECKI, M. LEGENDRE, G. VASSEUR, C. YECHE, M. ZITO, X.R. CHEN, H. LIU, W. PARK, M.V. PUROHIT, J.R. WILSON, M.T. ALLEN, D. ASTON, R. BARTOLDUS, P. 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Branching fraction measurements of charged B decays to K*+K+K-, K*+ pi+ K-, K*+ K+ pi- and K*+ pi+ pi- final states

A. LAZZARO;V. LOMBARDO;F. PALOMBO;N. NERI;
2006

Abstract

Branching fraction and asymmetry measurements of charmless B+ -> K*+ h(1)+ h(2)- (where h(1,2)=K, pi) decays are presented, using a data sample of 232x10(6) Upsilon(4S) -> B anti-B decays collected with the BABAR detector at the SLAC PEP-II asymmetric-energy B factory. Using a maximum likelihood fit, the following branching fraction results were obtained: B(B+ -> K*+K+K-)=(36.2 +/- 3.3 +/- 3.6)x10(-6) and B(B+ -> K*+pi+pi-)=(75.3 +/- 6.0 +/- 8.1)x10(-6). Upper limits were set for B(B+ -> K*+pi+K-)< 11.8x10(-6) and B(B+ -> K*+K+pi-)< 6.1x10(-6) at 90% confidence level. The charge asymmetries for the decays B+ -> K*+K+K- and B+ -> K*+pi+pi- were measured to be A_(K*KK)=0.11 +/- 0.08 +/- 0.03 and A_(K*pi pi)=0.07 +/- 0.07 +/- 0.04, respectively. The first error quoted on branching fraction and asymmetry measurements is statistical and the second systematic.
B mesons ; meson hadronic decay ; Upsilon meson resonances
Settore FIS/01 - Fisica Sperimentale
2006
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/22569
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