Avoidance of Kinematic Zeros in Pion-Emission Calculations
- 25 January 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 165 (5) , 1648-1650
- https://doi.org/10.1103/physrev.165.1648
Abstract
Some calculations of soft-pion emission based on current algebra appear to require model-dependent corrections owing to the presence of kinematic zeros of the amplitudes in question. We show how these zeros may be unambiguously avoided in cases of interest.Keywords
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