Doubly CKM-suppressed corrections to CP asymmetries in B-0 -> J/psi K-0

作者：Gronau Michael; Rosner Jonathan L^*

来源：Physics Letters B, 2009, 672(4-5): 349-353.

DOI：10.1016/j.physletb.2009.01.049

A doubly CKM-suppressed amplitude in B-0 -> J/psi K-S leads to corrections in CP asymmetries S = sin2 beta, C = 0. which may be enhanced by long-distance rescattering. It has been suggested that this enhancement may lead to several percent corrections. We calculate an upper bound of order 10(-3) on rescattering corrections using measured branching ratios for charmless vertical bar Delta S vertical bar = 1B(0) decays.

• 出版日期2009-3-2