Two body B decays with isosinglet final states in SCET

Details Two body B decays with isosinglet final states in SCET Two body B decays with isosinglet final states in SCET

2006-01-26

arxiv.org/abs/hep-ph/0601214v4

Phys.Rev.D74:014003,2006; Erratum-ibid.D74:03901,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

31 pages, 6 figures; experimental upper bounds added in Table VII; equivalent to published version

Scientific paper

10.1103/PhysRevD.74.014003

Expressions for decay amplitudes of B0, B- and Bs mesons to two light pseudoscalar or vector mesons, including isosinglet mesons eta, eta', omega, phi, are obtained using Soft Collinear Effective Theory at LO in 1/mb. These are then used to predict unmeasured branching ratios, direct and indirect CP asymmetries in B0, B- and Bs decays into two light pseudoscalars, following a determination of nonperturbative SCET parameters from existing data using a chi-squared fit. A separate discussion of indirect CP asymmetries in penguin dominated B0 --> eta' K(S/L), pi0 K(S/L) decays is given.

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