用蒸馏法对重-轻半光子形状因子的探索性研究

P. Boyle, F. Erben, M. Marshall, F. '. h'Og'ain, A. Portelli, J. Tsang
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引用次数: 5

摘要

我们提出了我们的探索性研究,目的是模拟重-轻半光子形状因子,作为RBC-UKQCD魅力(自下而上)物理程序的一部分。我们正在使用基于蒸馏的设置作为策略,以获得半频$D_{(s)}$和$B_{(s)}$衰减的优化平台,并将我们的结果与从顺序$Z_2$-Wall传播器获得的形状因子进行比较。该研究是在一个质心框架以及几个运动框架中进行的。我们使用$N_f=2+1$域壁费米子系综,其介子质量为$340$ MeV,目的是将研究扩展到各种其他域壁系综,包括物理介子质量系综。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An exploratory study of heavy-light semileptonic form factors using distillation
We present our exploratory study with the aim of simulating heavy-light semileptonic form factors as part of the RBC-UKQCD charm (to bottom) physics programme. We are using a distillation-based setup as a strategy to get optimised plateaus in semileptonic $D_{(s)}$ and $B_{(s)}$ decays, and compare our results to form factors obtained from sequential $Z_2$-Wall propagators. The study is done in a centre-of-mass frame as well as in several moving frames. We use an $N_f=2+1$ domain wall fermion ensemble with a pion mass of $340$ MeV, with the aim of extending the study to a variety of other domain-wall ensembles, including physical-pion mass ensembles.
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