An effective Lagrangian with broken scale and chiral symmetry II: Pion phenomenology

G. Carter; P. J. Ellis; S. Rudaz

doi:10.1016/0375-9474(96)80007-E

An effective Lagrangian with broken scale and chiral symmetry II: Pion phenomenology

G. Carter, P. J. Ellis, S. Rudaz

Physics and Astronomy (Twin Cities)

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Abstract

We extend an effective Lagrangian embodying broken scale and chiral symmetry to include explicit chiral symmetry breaking and an additional chiral-invariant term which allows for an axial coupling constant greater than unity. We also include a chiral Lagrangian for the isotriplet vector mesons which leads to a renormalization of the pion field. The properties of nuclear matter and nuclei, low-energy πN scattering and the behavior of quantities such as the pion mass and axial coupling at finite density are discussed.

Original language	English (US)
Pages (from-to)	367-386
Number of pages	20
Journal	Nuclear Physics A
Volume	603
Issue number	3-4
DOIs	https://doi.org/10.1016/0375-9474(96)80007-E
State	Published - Jun 24 1996

Bibliographical note

Funding Information:
We acknowledge partial support from the Department of Energy under grants No. DE-FG02-87ER40328 and DE-FG02-94ER40823. A grant for computing time from the Minnesota Supercomputer Institute is gratefully acknowledged.

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AU - Ellis, P. J.

AU - Rudaz, S.

N1 - Funding Information: We acknowledge partial support from the Department of Energy under grants No. DE-FG02-87ER40328 and DE-FG02-94ER40823. A grant for computing time from the Minnesota Supercomputer Institute is gratefully acknowledged.

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N2 - We extend an effective Lagrangian embodying broken scale and chiral symmetry to include explicit chiral symmetry breaking and an additional chiral-invariant term which allows for an axial coupling constant greater than unity. We also include a chiral Lagrangian for the isotriplet vector mesons which leads to a renormalization of the pion field. The properties of nuclear matter and nuclei, low-energy πN scattering and the behavior of quantities such as the pion mass and axial coupling at finite density are discussed.

AB - We extend an effective Lagrangian embodying broken scale and chiral symmetry to include explicit chiral symmetry breaking and an additional chiral-invariant term which allows for an axial coupling constant greater than unity. We also include a chiral Lagrangian for the isotriplet vector mesons which leads to a renormalization of the pion field. The properties of nuclear matter and nuclei, low-energy πN scattering and the behavior of quantities such as the pion mass and axial coupling at finite density are discussed.

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JO - Nuclear Physics A

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An effective Lagrangian with broken scale and chiral symmetry II: Pion phenomenology

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