@article{8cfe303666ca4be3a9f3bdc1ba8f7478,
title = "Matrix elements for D- And B-Mixing from 2+1 flavor lattice QCD",
abstract = "We present the status of our calculation of hadronic matrix elements for D- And B-meson mixing. We use a large set of the MILC collaboration's Nf = 2+1 asqtad ensembles, which includes lattice spacings in the range a ≈ 0:12-0.045 fm, and up/down to strange quark mass ratios as low as 0.05. The asqtad action is also employed for the light valence quarks. For the heavy quarks we use the Sheikholeslami-Wohlert action with the Fermilab interpretation. Our calculation covers the complete set of five local operators needed to describe B-meson mixing in the Standard Model and Beyond. In the charm sector, our calculation of local mixing matrix elements may be used to constrain new physics models. We present final correlator fit results on the full data set for the B-meson mixing project and preliminary fit results for the D-meson mixing project.",
author = "Chang, {C. C.} and C. Bernard and Bouchard, {C. M.} and El-Khadra, {A. X.} and Freeland, {E. D.} and E. G{\'a}miz and Kronfeld, {A. S.} and J. Laiho and {Van De Water}, {R. S.}",
note = "Funding Information: This work was supported by the U.S. Department of Energy, the National Science Foundation, the Universities Research Association, the MINECO, Junta de Andaluc{\'i}a, and the European Commission. Computation for this work was done at the Argonne Leadership Computing Facility (ALCF), the National Center for Atmospheric Research (UCAR), the National Center for Supercomputing Resources (NCSA), the National Energy Resources Supercomputing Center (NERSC), the National Institute for Computational Sciences (NICS), the Texas Advanced Computing Center (TACC), and the USQCD facilities at Fermilab, under grants from the NSF and DOE. Funding Information: This work was supported by the U.S. Department of Energy, the National Science Foundation, the Universities Research Association, the MINECO, Junta de Andaluc?a, and the European Commission. Computation for this work was done at the Argonne Leadership Computing Facility (ALCF), the National Center for Atmospheric Research (UCAR), the National Center for Supercomputing Re- sources (NCSA), the National Energy Resources Supercomputing Center (NERSC), the National Institute for Computational Sciences (NICS), the Texas Advanced Computing Center (TACC), and the USQCD facilities at Fermilab, under grants from the NSF and DOE.; 31st International Symposium on Lattice Field Theory, LATTICE 2013 ; Conference date: 29-07-2013 Through 03-08-2013",
year = "2013",
language = "English (US)",
volume = "29-July-2013",
journal = "Proceedings of Science",
issn = "1824-8039",
publisher = "Sissa Medialab Srl",
}