Goldstone pion and other mesons

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A covariant wave equation for q{anti q} interactions with an interaction kernel composed of the sum of constant vector and linear scalar confining interactions is solved for states with two quarks with identical mass. The model includes an NJL-like mechanism which links the dynamical breaking of chiral symmetry to the spontaneous generation of quark mass and the appearance of a low mass Goldstone pion. A novel feature of this approach is that it automatically explains the small mass of the pion even though the linear potential is a scalar interaction in Dirac space, and hence breaks chiral symmetry. Solutions for ... continued below

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753 Kilobytes pages

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Gross, F. & Milana, J. January 1, 1994.

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A covariant wave equation for q{anti q} interactions with an interaction kernel composed of the sum of constant vector and linear scalar confining interactions is solved for states with two quarks with identical mass. The model includes an NJL-like mechanism which links the dynamical breaking of chiral symmetry to the spontaneous generation of quark mass and the appearance of a low mass Goldstone pion. A novel feature of this approach is that it automatically explains the small mass of the pion even though the linear potential is a scalar interaction in Dirac space, and hence breaks chiral symmetry. Solutions for mesons composed of light quarks ({pi},{rho}, and low lying excited states) and heavy quarks ({rho}{sub c}, J/{Psi}, and low lying excited states) are presented and discussed.

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753 Kilobytes pages

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  • Report No.: CEBAF-TH-94-01
  • Report No.: DOE/ER/40150-1645
  • Report No.: WM-94-102
  • Report No.: UMPP94-080
  • Report No.: DOE/ER/40762-025
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 756874
  • Archival Resource Key: ark:/67531/metadc712556

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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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  • January 1, 1994

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 8:09 p.m.

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Gross, F. & Milana, J. Goldstone pion and other mesons, article, January 1, 1994; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc712556/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.