Wingate, M., Davies, C. , Gray, A., Gulez, E., Lepage, G.P. and Shigemitsu, J. (2004) Progress calculating decay constants with NRQCD and AsqTad actions. Nuclear Physics, Section B, Proceedings Supplements, 129-30, pp. 325-327. (doi: 10.1016/S0920-5632(03)02570-2)
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Publisher's URL: http://dx.doi.org/10.1016/S0920-5632(03)02570-2
Abstract
We combine a light AsqTad antiquark with a nonrelativistic heavy quark to compute the decay constants of heavy-light pseudoscalar mesons using the ensemble of 3-flavor gauge field configurations generated by the MILC collaboration. Preliminary results for f(Bs) and f(Ds) are given and status of the chiral extrapolation to f(B) is reported. We also touch upon results of the perturbative calculation which matches matrix elements in the effective theory to the full theory at 1-loop order.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Shigemitsu, Prof Junko and Davies, Professor Christine |
Authors: | Wingate, M., Davies, C., Gray, A., Gulez, E., Lepage, G.P., and Shigemitsu, J. |
Subjects: | Q Science > QC Physics |
College/School: | College of Science and Engineering > School of Physics and Astronomy |
Journal Name: | Nuclear Physics, Section B, Proceedings Supplements |
Publisher: | Elsevier BV |
ISSN: | 0920-5632 |
ISSN (Online): | 1873-3832 |
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