Li, XQ (reprint author), Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Hubei, Peoples R China.
The computation of direct CF asymmetries in charmless B decays at next-to-next-to-leading order (NNLO) in QCD is of interest to ascertain the short-distance contribution. Here we compute the two-loop penguin contractions of the current-current operators Q(1,2) and provide a first estimate of NNLO CP asymmetries in penguin-dominated b -> s transitions. (C) 2015 The Authors. Published by Elsevier B.V.
NNSFC of China [11005032, 11435003]
; DFG Forschergruppe FOR 1873
; DFG [Sonderforschungsbereich/Transregio 9]
; University Research Fellowship by the Royal Society
; SRF for ROCS, SEM
; SKLTP, ITP, CAS [Y4KF081CJ1]
; CCNU from the colleges' basic research and operation of MOE [CCNU15A02037]