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

S. Gardner, C. J. Horowitz, J. Piekarewicz

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


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 ω exchange contribution to the NN force. The magnitude of this contribution is consistent with that phenomenologically required by the measured difference of n and p analyzing powers in elastic n→-p→ scattering at 183 MeV.

Original languageEnglish
Pages (from-to)2462-2465
Number of pages4
JournalPhysical Review Letters
Issue number13
StatePublished - 1995
Externally publishedYes


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