Two body B decays with isosinglet final states in SCET

Abstract

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.

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

References in corpus (3)

• Enhanced electroweak penguin amplitude in B-->VV decays
• Suppression of flavor symmetry breaking in B decay sum rules
• Measurement of the CKM angle alpha with the B-factories

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