Decoupling confinement and chiral symmetry breaking: an explicit model

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Using a covariant model of mesons developed previously, we obtain new numerical solutions for the light-quark sector, and show explicitly how the small mass of the pion emerges as a natural consequence of chiral-symmetry breaking. Then we generalize the model, and show how chiral-symmetry breaking and confinement could be realized through completely independent mechanisms with different mass scales. In particular, the confining potential can be chosen to be purely scalar, as suggested by lattice studies and phenomenology, and the remaining part of the interaction can be chosen to be chirally invariant. In a symmetry-breaking mode, this new model can still ... continued below

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page(s) 969-974

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Gross, Franz & Milana, Joe October 1, 1991.

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Using a covariant model of mesons developed previously, we obtain new numerical solutions for the light-quark sector, and show explicitly how the small mass of the pion emerges as a natural consequence of chiral-symmetry breaking. Then we generalize the model, and show how chiral-symmetry breaking and confinement could be realized through completely independent mechanisms with different mass scales. In particular, the confining potential can be chosen to be purely scalar, as suggested by lattice studies and phenomenology, and the remaining part of the interaction can be chosen to be chirally invariant. In a symmetry-breaking mode, this new model can still generate quark mass and a massless-pion bound state.

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page(s) 969-974

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  • Journal Name: Physical Review D; Journal Volume: 45

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  • Report No.: CEBAF-TH-91-15
  • Report No.: W&M-91-110
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 954245
  • Archival Resource Key: ark:/67531/metadc933579

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • October 1, 1991

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 8, 2016, 3:11 p.m.

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Gross, Franz & Milana, Joe. Decoupling confinement and chiral symmetry breaking: an explicit model, article, October 1, 1991; [Newport News, Virginia]. (digital.library.unt.edu/ark:/67531/metadc933579/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.