Abstract
The soft-pion and soft-kaon mass differences are calculated in the Weinberg model of weak and electromagnetic interactions. Both are found to be finite without using the second spectral-function sum rule. In addition several comments are made about mass differences of massive hadrons.
- Received 11 October 1972
DOI:https://doi.org/10.1103/PhysRevD.7.525
©1973 American Physical Society