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Reggeon cuts in a multiparticle unitary model I Three-particle case

The authors investigate the reggeon cuts in a model derived from phi /sup 3/ theory, which exhibits three-particle unitarity in the non- asymptotic channel. They use momentum-space techniques to derive the asymptotic behaviour of the Feynman diagrams and discuss the anomalous structure of certain lo...

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Detalles Bibliográficos
Autores principales: Drummond, I T, Halliday, I G
Lenguaje:eng
Publicado: 1976
Materias:
Acceso en línea:https://dx.doi.org/10.1016/0550-3213(76)90268-6
http://cds.cern.ch/record/874071
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author Drummond, I T
Halliday, I G
author_facet Drummond, I T
Halliday, I G
author_sort Drummond, I T
collection CERN
description The authors investigate the reggeon cuts in a model derived from phi /sup 3/ theory, which exhibits three-particle unitarity in the non- asymptotic channel. They use momentum-space techniques to derive the asymptotic behaviour of the Feynman diagrams and discuss the anomalous structure of certain low-order contributions. Finally they show how the integral equation for the partial-wave amplitude can be used to derive the discontinuity formula across the reggeon cut which turns out to have the same structure and sign as that of the original Mandelstam contribution. (16 refs).
id cern-874071
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1976
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spelling cern-8740712019-09-30T06:29:59Zdoi:10.1016/0550-3213(76)90268-6http://cds.cern.ch/record/874071engDrummond, I THalliday, I GReggeon cuts in a multiparticle unitary model I Three-particle caseParticle Physics - TheoryThe authors investigate the reggeon cuts in a model derived from phi /sup 3/ theory, which exhibits three-particle unitarity in the non- asymptotic channel. They use momentum-space techniques to derive the asymptotic behaviour of the Feynman diagrams and discuss the anomalous structure of certain low-order contributions. Finally they show how the integral equation for the partial-wave amplitude can be used to derive the discontinuity formula across the reggeon cut which turns out to have the same structure and sign as that of the original Mandelstam contribution. (16 refs).oai:cds.cern.ch:8740711976
spellingShingle Particle Physics - Theory
Drummond, I T
Halliday, I G
Reggeon cuts in a multiparticle unitary model I Three-particle case
title Reggeon cuts in a multiparticle unitary model I Three-particle case
title_full Reggeon cuts in a multiparticle unitary model I Three-particle case
title_fullStr Reggeon cuts in a multiparticle unitary model I Three-particle case
title_full_unstemmed Reggeon cuts in a multiparticle unitary model I Three-particle case
title_short Reggeon cuts in a multiparticle unitary model I Three-particle case
title_sort reggeon cuts in a multiparticle unitary model i three-particle case
topic Particle Physics - Theory
url https://dx.doi.org/10.1016/0550-3213(76)90268-6
http://cds.cern.ch/record/874071
work_keys_str_mv AT drummondit reggeoncutsinamultiparticleunitarymodelithreeparticlecase
AT hallidayig reggeoncutsinamultiparticleunitarymodelithreeparticlecase