Using 226×106 Υ(4S)→BB̄ events collected with the BABAR detector at the PEP-II e+e- storage ring at the Stanford Linear Accelerator Center, we measure the branching fraction for B0→D̄0K+π -, excluding B0→D*-K+, to be B(B0→D̄0K+π-)= (88±15±9)×10-6. We observe B0→D̄0K*(892)0 and B0→D2*(2460)-K+ contributions. The ratio of branching fractions B(B0→D*-K+)/B(B0→D*-π+)=(7.76±0.34±0.29) % is measured separately. The branching fraction for the suppressed mode B0→D0K+π- is B(B0→D0K+π-)<19×10-6 at the 90% confidence level. © 2006 The American Physical Society.

Aubert, B., Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J., et al. (2006). Measurement of branching fractions and resonance contributions for B0→D̄0K+π- and search for B0→D0K+π- decays. PHYSICAL REVIEW LETTERS, 96(1), 1-7 [10.1103/PhysRevLett.96.011803].

Measurement of branching fractions and resonance contributions for B0→D̄0K+π- and search for B0→D0K+π- decays

PATRIGNANI, CLAUDIA;
2006

Abstract

Using 226×106 Υ(4S)→BB̄ events collected with the BABAR detector at the PEP-II e+e- storage ring at the Stanford Linear Accelerator Center, we measure the branching fraction for B0→D̄0K+π -, excluding B0→D*-K+, to be B(B0→D̄0K+π-)= (88±15±9)×10-6. We observe B0→D̄0K*(892)0 and B0→D2*(2460)-K+ contributions. The ratio of branching fractions B(B0→D*-K+)/B(B0→D*-π+)=(7.76±0.34±0.29) % is measured separately. The branching fraction for the suppressed mode B0→D0K+π- is B(B0→D0K+π-)<19×10-6 at the 90% confidence level. © 2006 The American Physical Society.
2006
Aubert, B., Barate, R., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J., et al. (2006). Measurement of branching fractions and resonance contributions for B0→D̄0K+π- and search for B0→D0K+π- decays. PHYSICAL REVIEW LETTERS, 96(1), 1-7 [10.1103/PhysRevLett.96.011803].
Aubert, B; Barate, R.; Boutigny, D.; Couderc, F.; Karyotakis, Y.; Lees, J.P.; Poireau, V.; Tisserand, V.; Zghiche, A.; Grauges, E.; Palano, A.; Pappag...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/550717
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