New results in $\pi\pi$ scattering

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Results are presented on pi pi scattering from several experiments including new unpublished data from the CERN Munich group. pi pi phase shifts between threshold and 1.8 GeV pi pi mass are given and a value of (0.44+or-0.1)m/sub pi //sup -1/ is determined for the I=0 s-wave scattering length. The e...

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Detalles Bibliográficos
Autor principal: Männer, W
Lenguaje:eng
Publicado: 1974
Materias:
Particle Physics - Phenomenology
Acceso en línea:https://dx.doi.org/10.1063/1.2947385
http://cds.cern.ch/record/873493
Descripción
Sumario:Results are presented on pi pi scattering from several experiments including new unpublished data from the CERN Munich group. pi pi phase shifts between threshold and 1.8 GeV pi pi mass are given and a value of (0.44+or-0.1)m/sub pi //sup -1/ is determined for the I=0 s-wave scattering length. The existence of high mass states above the g meson is suggested from a study of K/sup +/K/sup -/ and pp distributions. (21 refs).

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