An exploratory study of heavy-light semileptonic form factors using distillation

Peter Boyle, Felix Erben, Michael Marshall, Fionn Ó hÓgáin, Antonin Portelli, Justus Tobias Tsang

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Abstract

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 Z2-Wall propagators. The study is done in a centre-of-mass frame as well as in several moving frames. We use an Nf = 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.

Original languageEnglish
Article number169
JournalProceedings of Science
Volume363
Number of pages7
ISSN1824-8039
DOIs
Publication statusPublished - Aug 2020
Event37th International Symposium on Lattice Field Theory, LATTICE 2019 - Wuhan, China
Duration: 16. Jun 201922. Jun 2019

Conference

Conference37th International Symposium on Lattice Field Theory, LATTICE 2019
Country/TerritoryChina
CityWuhan
Period16/06/201922/06/2019

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