Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10723377 | Physics Letters B | 2007 | 4 Pages |
Abstract
The couplings of the η and ηⲠmesons to the nucleon are obtained from the UA(1) Goldberger-Treiman relation. The chiral symmetry breaking corrections are very large and bring the calculated values of the coupling constants GηNN and Gηâ²NN close to values obtained from potential models.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
N.F. Nasrallah,