Search for $B^0 \to K^{*0} \overline{K}{}^{*0}$, $B^0 \to K^{*0} K^{*0}$ and $B^0 \to K^+\pi^- K^{\mp}\pi^{\pm}$ Decays

Chiang, C.-C.; Aihara, H.; Arinstein, K.; Aulchenko, V.; Aushev, T.; Bakich, A.M.; Balagura, V.; Barberio, E.; Belous, K.; Bhardwaj, V.

doi:10.1103/PhysRevD.81.071101

Search for $B^0 \to K^{0} \overline{K}{}^{0}$ , $B^0 \to K^{0} K^{0}$ and $B^0 \to K^+\pi^- K^{\mp}\pi^{\pm}$ Decays

Belle

Collaboration

Jan, 2010

7 pages

Published in:

Phys.Rev.D 81 (2010) 071101

e-Print:

1001.4595 [hep-ex]

DOI:

10.1103/PhysRevD.81.071101

PDG:

{{\mathit B}^{0}}

\rightarrow

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

Experiments:

KEK-BF-BELLE

View in:

ADS Abstract Service

pdf

reference search31 citations

Citations per year

Abstract: (arXiv)

We report a search for the decays

B^0\to K^{*0} \overline{K}{}^{*0}

and

B^0\to K^{*0} K^{*0}

. We also measure other charmless decay modes with

K^+\pi^-K^-\pi^+

and

K^{+}\pi^{-}K^{+}\pi^{-}

final states. The results are obtained from a data sample containing

657 \times 10^6

B \overline B

pairs collected with the Belle detector at the KEKB asymmetric-energy

e^+e^-

collider. We set upper limits on the branching fractions for B^0\to K^{*0} \kstarbar and

B^0\to K^{*0} K^{*0}

of

0.81 \times 10^{-6}

and

0.20\times 10^{-6}

, respectively, at the 90% confidence level.

14.40.Nd
12.15.Hh
13.25.Hw
11.30.Er
electron positron: annihilation
B: pair production
B0: hadronic decay
final state: (0charm)
K*(892): pair production
Feynman graph: penguin

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Figures(8)

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Search for B0→K∗0K‾∗0B^0 \to K^{*0} \overline{K}{}^{*0}B0→K∗0K∗0, B0→K∗0K∗0B^0 \to K^{*0} K^{*0}B0→K∗0K∗0 and B0→K+π−K∓π±B^0 \to K^+\pi^- K^{\mp}\pi^{\pm}B0→K+π−K∓π± Decays

Citations per year

Search for $B^0 \to K^{0} \overline{K}{}^{0}$ , $B^0 \to K^{0} K^{0}$ and $B^0 \to K^+\pi^- K^{\mp}\pi^{\pm}$ Decays