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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, $d\ge 1$...

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Detalles Bibliográficos
Autores principales: Argyres, E.N., Papadopoulos, Costas G., Kleiss, Ronald H.P.
Lenguaje:eng
Publicado: 1993
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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