Cross-Symmetric Expansion of $ππ$ Amplitude Near Threshold

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dc.creatorBolokhov, A. A.
dc.creatorBolokhov, T. A.
dc.creatorManida, I. S.
dc.creatorPolyakov, M. V.
dc.creatorSherman, S. G.
dc.date1996-12-27
dc.date.accessioned2026-07-07T04:01:04Z
dc.date.available2026-07-07T04:01:04Z
dc.descriptionThe near-threshold expansion of the $ππ$ amplitude is developed using the crossing-covariant independent variables. The independent threshold parameters entering the real part of the amplitude in an explicitly Lorentz-invariant way are free from restrictions of isotopic and crossing symmetries. Parameters of the expansion of the imaginary part are recovered by the perturbative unitarity relations.
dc.description17 pages, Latex (uses psfig.sty), 1 Postscript figure, submitted to YaF
dc.identifierhttps://arxiv.org/abs/hep-ph/9612473
dc.identifierhttp://arxiv.org/abs/hep-ph/9612473
dc.identifierPhys.Atom.Nucl. 60 (1997) 1511-1521; Yad.Fiz. 60N9 (1997) 1658-1668
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/46768
dc.subjectHigh Energy Physics - Phenomenology
dc.titleCross-Symmetric Expansion of $ππ$ Amplitude Near Threshold
dc.typetext

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