B_{d,s}^0 --> K^{(*)} K-bar^{(*)}: CP phase alpha and New Physics

Details B_{d,s}^0 --> K^{(*)} K-bar^{(*)}: CP phase alpha and New Physics B_{d,s}^0 --> K^{(*)} K-bar^{(*)}: CP phase alpha and New Physics

2002-08-14

arxiv.org/abs/hep-ph/0208144v1

Nucl.Phys.Proc.Suppl.115:283-286,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 6 pages. Talk presented by Alakabha Datta at the 5th International Conference on Hyperon, Charm and Beauty Hadrons

Scientific paper

10.1016/S0920-5632(02)02002-9

The decays B_{d,s}^0 --> K^{(*)} K-bar^{(*)} can be used to measure the angle
alpha of the CKM unitarity triangle. The theoretical error from SU(3) breaking
is expected to be small, so that the determination of alpha is clean. Moreover,
since B_{d,s}^0 --> K^{(*)} K-bar^{(*)} are pure penguin decays, they are
particularly sensitive to the presence of new physics

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