Gray, A., Davies, C.T.H., Alford, M., Follana, E., Hein, J., Lepage, G.R., Mason, Q. and Nobes, M.A. (2003) The Y spectrum from lattice QCD with 2+1 flavors of dynamical quarks. Nuclear Physics, Section B, Proceedings Supplements, 119, 592 -594. (doi: 10.1016/S0920-5632(03)01629-3)
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Publisher's URL: http://dx.doi.org/10.1016/S0920-5632(03)01629-3
Abstract
We describe the bottomonium spectrum obtained on the MILC configurations which incorporate 2+1 flavors of dynamical quarks. We compare to quenched and 2 flavor results also on MILC configurations. We show that the lattice spacing determination using different quantities shows clear signs of convergence with 2+1 flavors and give results for the leptonic width and hyperfine splitting, in the form of the ratio of the 1st excited state of the Y to that of the ground state.
| Item Type: | Articles |
|---|---|
| Additional Information: | Thomson UT: 183074100137 |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Davies, Professor Christine |
| Authors: | Gray, A., Davies, C.T.H., Alford, M., Follana, E., Hein, J., Lepage, G.R., Mason, Q., and Nobes, M.A. |
| 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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