Problems with the quenched approximation in the chiral limit

Problems with the quenched approximation in the chiral limit [electronic resource]

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In the quenched approximation, loops of the light singlet meson (the [eta][prime]) give rise to a type of chiral logarithm absent in full QCD. These logarithms are singular in the chiral limit, throwing doubt upon the utility of the quenched approximation. In previous work, I summed a class of diagr...

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Online Access: Online Access
Corporate Authors: University of Washington. Department of Physics (Researcher), United States. Department of Energy. Richland Operations Office (Researcher)
Format: Government Document Electronic eBook
Language:English
Published: Washington, D.C. : Oak Ridge, Tenn. : United States. Dept. of Defense ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 1992.
Subjects:
Bosons.
Elementary Particles.
Goldstone Bosons.
Renormalization.
Quenching.
Mesons.
Hadrons.
Quarks.
Field Theories.
Quantum Chromodynamics.
Quantum Field Theory.
Fermions.
Postulated Particles.
Physics Of Elementary Particles And Fields.

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Call Number: E 1.99:conf-9209276-11
E 1.99:conf-9209276-11 Available

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