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Vector and Axial-Vector Propagators in the $\epsilon$-Regime of QCD
Using quenched and unquenched chiral perturbation theory we compute vector and axial current two-point functions at finite volume and fixed gauge field topology, in the so-called \epsilon-regime of QCD. A comparison of these results with finite volume lattice calculations allows to determine the par...
| Autores principales: | , , , , |
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| Lenguaje: | eng |
| Publicado: |
2003
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0920-5632(03)02703-8 http://cds.cern.ch/record/640974 |