O(4)Symmetry in Feynman Amplitudes
- 25 September 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 173 (5), 1608-1611
- https://doi.org/10.1103/PhysRev.173.1608
Abstract
It is shown that any Feynman amplitude of pole diagrams at zero invariant mass does indeed possess the symmetry and that there are poles which do not correspond to real particles.
Keywords
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