Corrections to sin(2 beta) from CP asymmetries in B^0 -> (pi^0,rho^0,eta,eta^',omega,phi) K_S decays

Details Corrections to sin(2 beta) from CP asymmetries in B^0 -> (pi^0,rho^0,eta,eta^',omega,phi) K_S decays Corrections to sin(2 beta) from CP asymmetries in B^0 -> (pi^0,rho^0,eta,eta^',omega,phi) K_S decays

2005-05-10

arxiv.org/abs/hep-ph/0505075v1

Phys.Lett. B620 (2005) 143-150

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 2 figues, LaTeX

Scientific paper

10.1016/j.physletb.2005.06.045

Neglecting smaller amplitudes the time-dependent CP asymmetry in
penguin-dominated b -> s q \bar q transitions (such as B -> phi K_S) is
expected to equal sin(2 beta), an expectation not borne out by the present
average experimental data. I compute and discuss the correction due to the
smaller amplitudes in the framework of QCD factorization.

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