Hard spectator-scattering in B -> pi pi decays at NNLO

Details Hard spectator-scattering in B -> pi pi decays at NNLO Hard spectator-scattering in B -> pi pi decays at NNLO

2005-12-08

arxiv.org/abs/hep-ph/0512101v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, uses PoS.cls (included). Contribution to the proceedings of the International Europhysics Conference on High Energy P

Scientific paper

We compute the 1-loop (NNLO) corrections to hard spectator-scattering in
tree-dominated hadronic B decays. Depending on the values of hadronic input
parameters the corrections are shown to have a significant impact on the B ->
pi pi branching fractions.

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