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Title: Charge-symmetry-breaking potentials from isospin-violating meson-baryon coupling constants

Abstract

We consider charge-symmetry violations in the nucleon-nucleon force that result from isospin-violating meson-baryon coupling constants. The isospin violations arise from the difference in the up and down constituent quark masses. We show that a class IV charge-symmetry-breaking potential exists in the resulting {omega} exchange contribution to the {ital NN} force. The magnitude of this contribution is consistent with that phenomenologically required by the measured difference of {ital n} and {ital p} analyzing powers in elastic {ital {rvec n}}{minus}{ital {rvec p}} scattering at 183 MeV.

Authors:
;  [1];  [2]
  1. Nuclear Theory Center and Department of Physics, Indiana University, Bloomington, Indiana 47405 (United States)
  2. Supercomputer Computations Research Institute, Florida State University, Tallahassee, Florida 32306 (United States)
Publication Date:
Research Org.:
Indiana Univ., Bloomington, IN (United States)
OSTI Identifier:
240386
DOE Contract Number:  
FG02-87ER40365; FG05-85ER25000; FG05-92ER40750
Resource Type:
Journal Article
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 75; Journal Issue: 13; Other Information: PBD: 25 Sep 1995
Country of Publication:
United States
Language:
English
Subject:
66 PHYSICS; NUCLEON-NUCLEON INTERACTIONS; SYMMETRY BREAKING; POLARIZATION-ASYMMETRY RATIO; C INVARIANCE; COUPLING CONSTANTS; ELASTIC SCATTERING; ISOSPIN; MASS; MESON-BARYON INTERACTIONS; MEV RANGE 100-1000; POTENTIALS; PROTON-NEUTRON INTERACTIONS; QUARKS; VIOLATIONS

Citation Formats

Gardner, S, Horowitz, C J, and Piekarewicz, J. Charge-symmetry-breaking potentials from isospin-violating meson-baryon coupling constants. United States: N. p., 1995. Web. doi:10.1103/PhysRevLett.75.2462.
Gardner, S, Horowitz, C J, & Piekarewicz, J. Charge-symmetry-breaking potentials from isospin-violating meson-baryon coupling constants. United States. https://doi.org/10.1103/PhysRevLett.75.2462
Gardner, S, Horowitz, C J, and Piekarewicz, J. 1995. "Charge-symmetry-breaking potentials from isospin-violating meson-baryon coupling constants". United States. https://doi.org/10.1103/PhysRevLett.75.2462.
@article{osti_240386,
title = {Charge-symmetry-breaking potentials from isospin-violating meson-baryon coupling constants},
author = {Gardner, S and Horowitz, C J and Piekarewicz, J},
abstractNote = {We consider charge-symmetry violations in the nucleon-nucleon force that result from isospin-violating meson-baryon coupling constants. The isospin violations arise from the difference in the up and down constituent quark masses. We show that a class IV charge-symmetry-breaking potential exists in the resulting {omega} exchange contribution to the {ital NN} force. The magnitude of this contribution is consistent with that phenomenologically required by the measured difference of {ital n} and {ital p} analyzing powers in elastic {ital {rvec n}}{minus}{ital {rvec p}} scattering at 183 MeV.},
doi = {10.1103/PhysRevLett.75.2462},
url = {https://www.osti.gov/biblio/240386}, journal = {Physical Review Letters},
number = 13,
volume = 75,
place = {United States},
year = {1995},
month = {9}
}