We have measured the process B+/-->(K*+/--> K(+/-)pi(0))pi(0) with 232x10(6) Upsilon(4S)-> B (B) over bar decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. From a signal yield of 89 +/- 26 events we obtain the branching fraction B(B+/--> K(*+/-)pi(0))=[6.9 +/- 2.0(stat)+/- 1.3(syst)]x10(-6) with a statistical significance of 3.6 standard deviations including systematic uncertainties, and a charge asymmetry of 0.04 +/- 0.29(stat)+/- 0.05(syst).

Evidence for the decay B-+/--> K-*+/-pi(0)

ANDREOTTI, Mirco;AZZOLINI, Virginia;CALABRESE, Roberto;CIBINETTO, Gianluigi;LUPPI, Eleonora;NEGRINI, Matteo;SARTI, Alessio;
2005

Abstract

We have measured the process B+/-->(K*+/--> K(+/-)pi(0))pi(0) with 232x10(6) Upsilon(4S)-> B (B) over bar decays collected with the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. From a signal yield of 89 +/- 26 events we obtain the branching fraction B(B+/--> K(*+/-)pi(0))=[6.9 +/- 2.0(stat)+/- 1.3(syst)]x10(-6) with a statistical significance of 3.6 standard deviations including systematic uncertainties, and a charge asymmetry of 0.04 +/- 0.29(stat)+/- 0.05(syst).
2005
Aubert, B; Barate, R; Boutigny, D; Couderc, F; Karyotakis, Y; Lees, Jp; Poireau, V; Tisserand, V; Zghiche, A; Grauges, E; Palano, A; Pappagallo, M; Po...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11392/1211459
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