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Hadron correlators and the structure of the quark propagator
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Hadron correlators and the structure of the quark propagator
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| dc.contributor.author | Ferrando Cogollos, Albert | |
| dc.contributor.author | Vento Torres, Vicente | |
| dc.date.accessioned | 2015-05-11T10:11:54Z | |
| dc.date.available | 2015-05-11T10:11:54Z | |
| dc.date.issued | 1994 | |
| dc.identifier.citation | Ferrando Cogollos, Albert Vento Torres, Vicente 1994 Hadron correlators and the structure of the quark propagator Zeitschrift für Physik C-Particles and Fields 63 3 485 489 | |
| dc.identifier.uri | http://hdl.handle.net/10550/43634 | |
| dc.description.abstract | The structure of the quark propagator of QCD in a confining background is not known. We make an Ansatz for it, as hinted by a particular mechanism for confinement, and analyze its implications in the meson and baryon correlators. We connect the various terms in the K\'allen-Lehmann representation of the quark propagator with appropriate combinations of hadron correlators, which may ultimately be calculated in lattice QCD. Furthermore, using the positivity of the path integral measure for vector like theories, we reanalyze some mass inequalities in our formalism. A curiosity of the analysis is that, the exotic components of the propagator (axial and tensor), produce terms in the hadron correlators which, if not vanishing in the gauge field integration, lead to violations of fundamental symmetries. The non observation of these violations implies restrictions in the space-time structure of the contributing gauge field configurations. In this way, lattice QCD can help us analyze the microscopic structure of the mechanisms for confinement. | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Zeitschrift für Physik C-Particles and Fields, 1994, vol. 63, num. 3, p. 485-489 | |
| dc.subject | Física | |
| dc.title | Hadron correlators and the structure of the quark propagator | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2015-05-11T10:11:54Z | |
| dc.identifier.doi | 10.1007/BF01580329 | |
| dc.identifier.idgrec | 075400 | |
| dc.rights.accessRights | open access | es_ES |
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