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Constraints on the asymptotic behaviour of symmetric and antisymmetric amplitudes from positivity and unitarity

Ограничения на асимптотическое поведение симметричных и антисимметричных амплитуд из положительности и унитарности

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Il Nuovo Cimento A (1965-1970)

Summary

We consider physical amplitudes constructed from linear combinations of symmetric and antisymmetric amplitudes. The positivity properties of these physical amplitudes and the unitarity conditions imply some connections between the high-energy behaviour of the symmetric and antisymmetric amplitudes. These constraints are investigated.

Riassunto

Si considerano le ampiezze fisiche costruite dalle combinazioni lineari delle ampiezze simmetriche ed antisimmetriche. Le proprietà di positività di queste ampiezze fisiche e le condizioni di unitarietà implicano alcune connessioni fra il comportamento ad alta energia dell'ampiezza antisimmetrica e quello dell'ampiezza simmetrica. Si studiano questi vincoli.

Резюме

Мы рассматриваем физические амплитуды, сконструированные из линейных комбинаций симметричных и антисимметричных амплитуд. Свойства положительности этих физических амплитуд и условия унитарности подразумевают некоторые соотношения меЗду поведением симметричных и антисимметричных амплитуд при высоких энергиях. В работе исследуются эти ограничения.

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Laboratoire Associé au C.N.R.S.

Traduzione a cura della Redazione.

Перевебено ребакцией.

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Cornille, H. Constraints on the asymptotic behaviour of symmetric and antisymmetric amplitudes from positivity and unitarity. Nuovo Cimento A (1965-1970) 70, 165–174 (1970). https://doi.org/10.1007/BF02758977

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  • DOI: https://doi.org/10.1007/BF02758977

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