Search for B0->phiK+pi- Decays with Large K+pi- Invariant Mass

Details Search for B0->phiK+pi- Decays with Large K+pi- Invariant Mass Search for B0->phiK+pi- Decays with Large K+pi- Invariant Mass

2007-05-03

arxiv.org/abs/0705.0398v1

Phys.Rev.D76:051103,2007

Physics

High Energy Physics

High Energy Physics - Experiment

8 pages, 8 postscript figues, submitted to Phys. Rev. D (Rapid Communications)

Scientific paper

10.1103/PhysRevD.76.051103

Motivated by the polarization anomaly in the B->phi(1020)K*(892) decay, we extend our search for other K* final states in the decay B0->phi(1020)K^*0 with the K*0->K+pi- invariant mass above 1.6 GeV. The final states considered include the K*(1680)0, K3*(1780)0, K4*(2045)0, and a Kpi spin-zero nonresonant component. We also search for B0->phiDbar0 decay with the same final state. The analysis is based on a sample of about 384 million BBbar pairs recorded with the BABAR detector. We place upper limits on the branching fractions BR(B0->phiK*(1680)0)<3.5*10^-6, BR(B0->phiK3*(1780)0)<2.7*10^-6, BR(B0->phiK4*(2045)0)<15.3*10^-6, and BR(B0->phiDbar0)<11.7*10^-6 at 90% C.L. The nonresonant contribution is consistent with the measurements in the lower invariant mass range.

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