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

Alistair Hart; Eike H. M\"uller; Matthew Wingate; Ron R. Horgan; Stefan Meinel; Zhaofeng Liu

arxiv: 0911.2370 · v2 · pith:5RRQNUL4new · submitted 2009-11-12 · ✦ hep-lat

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

Zhaofeng Liu , Stefan Meinel , Alistair Hart , Ron R. Horgan , Eike H. M\"uller , Matthew Wingate This is my paper

classification ✦ hep-lat

keywords nrqcddecayserrorsfactorsformmovingrarereduction

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

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