First determination of the proton electromagnetic form factors at the threshold of the time-like region

From the measurement of Be/sup +/e/sup -/= Gamma (pp to e/sup +/e/sup -/)/ Gamma (pp to total)=(3.2+or-0.9)*10/sup -7/, obtained in an experiment at CERN with antiprotons at rest, a value of the proton electromagnetic form factors at the threshold of the time-like region is derived: mod G/sub E/ mod...

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Detalles Bibliográficos
Autores principales: Bassompierre, G, Binder, G, Dalpiaz, P, Dalpiaz, P F, Gissinger, G, Jacquey, S, Peroni, C, Schneegans, M, Tecchio, L B
Lenguaje:eng
Publicado: 1977
Materias:
Particle Physics - Phenomenology
Acceso en línea:https://dx.doi.org/10.1016/0370-2693(77)90475-0
http://cds.cern.ch/record/878585
Descripción
Sumario:From the measurement of Be/sup +/e/sup -/= Gamma (pp to e/sup +/e/sup -/)/ Gamma (pp to total)=(3.2+or-0.9)*10/sup -7/, obtained in an experiment at CERN with antiprotons at rest, a value of the proton electromagnetic form factors at the threshold of the time-like region is derived: mod G/sub E/ mod = mod G/sub M/ mod =0.51+or-0.08 at q/sup 2/=-3.52 (GeV/c)/sup 2/. (13 refs).

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