McNeile, C., Michael, C. and Urbach, C. (2009) The ω-ρ meson mass splitting and mixing from lattice QCD. Physics Letters B, 674(4-5), pp. 286-290. (doi: 10.1016/j.physletb.2009.03.055)
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Publisher's URL: http://dx.doi.org/10.1016/j.physletb.2009.03.055
Abstract
We compare flavour singlet and non-singlet vector mesons from first principles using lattice QCD. With Nf=2 flavours of light quark, this addresses the ω–ρmass difference. Using maximally twisted-masslatticeQCD, we are able for the first time to determine this mass difference precisely and we compare with experiment. We also discuss ω–ρ mixing effects arising within QCD through the u–d quark mass difference.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | McNeile, Dr Craig |
| Authors: | McNeile, C., Michael, C., and Urbach, C. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Physics Letters B |
| Publisher: | Elsevier BV |
| ISSN: | 0370-2693 |
| ISSN (Online): | 1873-2445 |
| Published Online: | 27 March 2009 |
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