A new perspective on the ρ-ω contribution to charge-symmetry violation in the nucleon-nucleon force
Date
1992
Authors
Goldman, T.
Henderson, J.A.
Thomas, A.W.
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Journal article
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Few-Body Systems, 1992; 12(2-4):123-132
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T. Goldman, J. A. Henderson, A. W. Thomas
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Abstract
The role of ρ-ω mixing as a mechanism for charge-symmetry violation in the nucleon-nucleon system is apparently well established. However, a common assumption in generating the charge-symmetry-violation potential is that the ρ-ω mixing amplitude is constant (at the on-mass-shell value) even when the exchanged meson is far off-shell. We construct a simple quark model in which the mixing is generated by the u-d quark mass difference which allows us to test this assumption. It turns out to be surprisingly poor.
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© by Springer-Verlag 1992