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Constraints imposed by the data above 1 GeV on the low energy $\pi\pi$ amplitudes

The authors study the influence of the region above 1 GeV on low- energy pi pi amplitudes by using minimum subtracted dispersion relations, in addition to the twice subtracted ones. When the results are compared with the recent phase-shift analysis below 1 GeV, they find that the S-wave isospin-zero...

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Detalles Bibliográficos
Autores principales:	Bonnier, B, Johannesson, N
Lenguaje:	eng
Publicado:	1974
Materias:	Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1016/0550-3213(74)90267-3 http://cds.cern.ch/record/873515

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