Evidence for Neutral B Meson Decays to omega K*0 - INSPIRE

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Evidence for Neutral B Meson Decays to omega K*0

Belle

Collaboration

•

P. Goldenzweig
(
- Cincinnati U.
)

Jul, 2008

12 pages

Published in:

Phys.Rev.Lett. 101 (2008) 231801

e-Print:

0807.4271 [hep-ex]

DOI:

10.1103/PhysRevLett.101.231801

PDG:

{{\mathit B}^{0}}

\rightarrow

{{\mathit \omega}}{{\mathit K}^{*}{(892)}^{0}}

Report number:

UCHEP-08-04

Experiments:

KEK-BF-BELLE

View in:

ADS Abstract Service

reference search25 citations

Citations per year

Abstract: (arXiv)

We present the results of a study of the charmless vector-vector decay B0->wK*0 with 657x10^6 BB(bar) pairs collected with the Belle detector at the KEKB e+e- collider. We measure the branching fraction to be B(B0->wK*0)=[1.8+/-0.7(stat)+0.3-0.2(syst)]x10^-6 with 3.0sigma significance. We also perform a helicity analysis of the w and K*0 vector mesons, and obtain the longitudinal polarization fraction fL(B0->wK*0)=0.56+/-0.29(stat)+0.18-0.08(syst). Finally, we measure a large non-resonant branching fraction B(B->wK+pi-/ M(Kpi)\in(0.755,1.250) GeV/c^2)=[5.1+/-0.7(stat)+/-0.7(syst)]x10^-6 with a significance of 9.5sigma.

12.15.Hh
13.25.Hw
13.88.+e
electron positron: annihilation
B: pair production
B0: branching ratio
B0: hadronic decay
final state: (0charm)
omega(783)
K*(892)

References(36)

Figures(7)

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BaBar

Collaboration

•

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(
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et al.

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