Shigemitsu, J., Collins, S., Davies, C.T.H., Hein, J., Horgan, R.R. and Lepage, G.P. (2003) Semileptonic B decays from an NRQCD/D234 action. Nuclear Physics, Section B, Proceedings Supplements, 119, 629 -631. (doi: 10.1016/S0920-5632(03)80457-7)
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Publisher's URL: http://dx.doi.org/10.1016/S0920-5632(03)80457-7
Abstract
Semileptonic B decays are studied on quenched anisotropic lattices using Symanzik improved glue, NRQCD heavy quark and D234 light quark actions. We employ constrained fits to extract ground state contributions to two- and three-point correlators. Results for the B → pi, l (v) over bar decay form factors are compared with previous lattice results. We find that our systematic errors (excluding quenching errors) are dominated by chiral extrapolation uncertainties.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Shigemitsu, Prof Junko |
| Authors: | Shigemitsu, J., Collins, S., Davies, C.T.H., Hein, J., Horgan, R.R., and Lepage, G.P. |
| 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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