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Charmless Two-body $B(B_s) o PP,VP$ decays In Soft-Collinear-Effective-Theory | | Wei Wang
; Yu-Ming Wang
; De-Shan Yang
; Cai-Dian Lu
; | | Date: |
30 May 2008 | | Abstract: | We analyze the charmless two-body $B o VP$ decays in the
soft-collinear-effective-theory (SCET), where $V(P)$ denotes a light vector
(pseudoscalar) meson. Using the current experimental data, we find two
solutions in $chi^2$ fit for the 16 non-perturbative inputs responsible for
the 87 $B o PP$ and $B o VP$ decay channels in SU(3) symmetry. Chirally
enhanced penguins can only change several charming penguins sizably, since they
share the same topology. The (S-P)(S+P) annihilation penguins in the
perturbative QCD approach have the same topology with charming penguins in
SCET, which play an important role in direct CP asymmetries. | | Source: | arXiv, 0805.4695 | | Services: | Forum | Review | PDF | Favorites | |
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