The PSI np data and their effect on the charge Pi-N-N coupling constant

Details The PSI np data and their effect on the charge Pi-N-N coupling constant The PSI np data and their effect on the charge Pi-N-N coupling constant

2000-04-27

arxiv.org/abs/hep-ph/0004253v1

Phys.Scripta T87 (2000) 14-21

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 4 figures. accepted by Physica Scripta

Scientific paper

10.1238/Physica.Topical.087a0001

Differential cross sections of elastic neutron-proton scattering have been measured for the energy range from 200 MeV to 580 MeV. The angular interval for the detection of the recoiling proton ranges up to 48 degree in the laboratory system. This corresponds to an interval of the scattering angle from 80 degree to 180 degree in the centre-of-mass system. For absolute normalization the simultaneously measured np --> d Pi^o reaction was used above 280 MeV. The charged Pi-NN coupling constant has been determined to f^2_{Pi-n-p} = 0.076+-0.001.

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