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Search for new physics in CP violating $B$ decays

A.I. Sanda
(
- Nagoya U.
)
,
Zhi-zhong Xing
(
- Nagoya U.
)

Jul, 1997

18 pages

Published in:

Phys.Rev.D 56 (1997) 6866-6874

e-Print:

hep-ph/9708220 [hep-ph]

DOI:

10.1103/PhysRevD.56.6866

Report number:

DPNU-97-36

View in:

reference search33 citations

Citations per year

Abstract:

We consider three possible scenarios of new physics in B^0_d-\bar{B}^0_d mixing and propose a simple framework for analyzing their effects. This framework allows us to study the CP asymmetry in semileptonic B_d decays ({\cal A}_{SL}) and those in nonleptonic transitions such as B_d \to J/\psi K_S and B_d \to \pi^+\pi^-. Numerically we find that new physics may enhance the magnitude of {\cal A}_{SL} up to the percent level within the appropriate parameter space. So measurements of {\cal A}_{SL} and its correlation with other CP asymmetries will serve as a sensitive probe for new physics in B^0_d-\bar{B}^0_d mixing.

12.15.Ff
11.30.Er
13.20.He
B0 anti-B0: mixing
B0: semileptonic decay
B0: hadronic decay
J/psi(3100)
CP: violation
decay: asymmetry
new interaction: search for

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Figures(0)

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