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On amplitude zeros at threshold
The occurrence of zeros of 2 to n amplitudes at threshold in scalar theories is studied. We find a differential equation for the scalar potential, which incorporates all known cases where the 2 to n amplitudes at threshold vanish for all sufficiently large $n$, in all space-time dimensions, $d\ge 1$...
Autores principales: | Argyres, E.N., Papadopoulos, Costas G., Kleiss, Ronald H.P. |
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Lenguaje: | eng |
Publicado: |
1993
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(93)91764-E https://dx.doi.org/10.1016/0370-2693(93)90637-W https://dx.doi.org/10.1016/0370-2693(93)91765-F http://cds.cern.ch/record/244813 |
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