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Light quark masses from lattice quark propagators at large momenta
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Light quark masses from lattice quark propagators at large momenta
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| dc.contributor.author | Giménez Gómez, Vicente | |
| dc.contributor.author | Martinelli, Guido | |
| dc.contributor.author | Lubicz, V. | |
| dc.contributor.author | Becirevic, D. | |
| dc.date.accessioned | 2014-09-26T10:58:16Z | |
| dc.date.available | 2014-09-26T10:58:16Z | |
| dc.date.issued | 2000 | |
| dc.identifier.citation | Giménez Gómez, Vicente 2000 Light quark masses from lattice quark propagators at large momenta Physical Review D 61 11 114507-1 114507-10 | |
| dc.identifier.uri | http://hdl.handle.net/10550/39008 | |
| dc.description.abstract | We compute nonperturbatively the average up-down and strange quark masses from the large momentum (short-distance) behavior of the quark propagator in the Landau gauge. This method, which has never been applied so far, does not require the explicit calculation of the quark mass renormalization constant. Calculations were performed in the quenched approximation, by using O(a) improved Wilson fermions. The main results of this study are m(l)(RI)(2 GeV) = 5.8(6) MeV and m(s)(RI)(2 GeV) = 136(11) MeV. Using the relations between different schemes, obtained from the available four-loop anomalous dimensions, we also find m(l)(RGI) = 7.6(8) MeV and m(s)(RGI) = 177(14) MeV, and the modified minimal subtraction scheme (<(MS)over bar>) masses m(l)(<(MS)over bar>)(2 GeV) = 4.8(5) MeV and m(s)(<(MS)over bar>)(2 GeV) = 111(9) MeV. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Physical Review D, 2000, vol. 61, num. 11, p. 114507-1-114507-10 | |
| dc.subject | Partícules (Física nuclear) | |
| dc.title | Light quark masses from lattice quark propagators at large momenta | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2014-09-26T10:58:16Z | |
| dc.identifier.doi | 10.1103/PhysRevD.61.114507 | |
| dc.identifier.idgrec | 041506 | |
| dc.rights.accessRights | open access | es_ES |
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