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Reciprocal space-time and momentum-space singularities in the narrow resonance approximation
A general scheme is proposed which makes explicit the relationship between the singularities of off-shell amplitudes in position-space and momentum-space in the narrow resonance approximation. In some ways this may be viewed as a duality scheme for amplitudes involving external quarks, in which narr...
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| Lenguaje: | eng |
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1976
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| Acceso en línea: | https://dx.doi.org/10.1016/0550-3213(76)90358-8 http://cds.cern.ch/record/873942 |