Behavior of Helicity Amplitudes at a Threshold Involving One Photon
- 25 March 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 179 (5) , 1627-1628
- https://doi.org/10.1103/physrev.179.1627
Abstract
We show that there is a simple mnemonic for the threshold kinematic factors of photoproduction processes. The formula is based on angular momentum counting and is similar to the angular momentum arguments used with processes in which all particles are massive.Keywords
This publication has 5 references indexed in Scilit:
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- Elementary Particles of Conventional Field Theory as Regge Poles. IIIPhysical Review B, 1964