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Scattering of negative pions on helium

par Binon, Freddy ;Duteil, P.;Gouanère, M.;Hugon, L.;Jansen, J.;Lagnaux, Jean-Pierre ;Palevsky, Harry;Peigneux, Jean Pierre;Spighel, M.;Stroot, Jean-Pierre
Référence Nuclear physics. A, 298, 3, page (499-529)
Publication Publié, 1978-04

Article révisé par les pairs

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Résumé :

Differential cross sections for negative pion scattering on 4He have been measured at five pion kinetic energies between 110 and 260 MeV in the angular range from 5° to 180°. Total cross sections have also been measured at eleven energies between 67 and 285 MeV. The differential cross sections have been fitted with a phenomenological expression for the nuclear scattering amplitude. Conventional phase shifts have been reconstructed starting from the parameters of the fits. © 1978.