Form factors for rare B decays: strategy, methodology, and numerical study

Details Form factors for rare B decays: strategy, methodology, and numerical study Form factors for rare B decays: strategy, methodology, and numerical study

2009-11-12

arxiv.org/abs/0911.2370v2

PoS LAT2009:242,2009

Physics

High Energy Physics

High Energy Physics - Lattice

v2: several typos corrected. 15 pages, combined contribution to the XXVII International Symposium on Lattice Field Theory, Jul

Scientific paper

We investigate the combined use of moving NRQCD and stochastic sources in
lattice calculations of form factors describing rare B and B_s decays. Moving
NRQCD leads to a reduction of discretisation errors compared to standard NRQCD.
Stochastic sources are tested for reduction of statistical errors.

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