Charge-Symmetry Breaking in the Nucleon-Nucleon System

摘要

The effects of charge-symmetry breaking on the two nucleon system are discussed. Two specific reactions are considered in detail: np elastic scattering and np -> d pi sup 0 , with some emphasis on the former. In np elastic scattering these effects have been calculated in terms of electromagnetic interactions and one-boson exchange (with other contributions estimated to be small), and are in reasonable agreement with the one existing measurement from TRIUMF. Calculations for np -> d pi sup 0 are more difficult, but predict effects close to current experimental limits. 15 refs., 4 figs., 1 tab. (ERA citation 14:009883)