Elsevier

Annals of Physics

Volume 92, Issue 2, August 1975, Pages 205-231
Annals of Physics

Scattering of pions from 3He and 4He calculated with realistic form factors

https://doi.org/10.1016/0003-4916(75)90103-7Get rights and content

Abstract

Pion scattering from 3He and 4He is examined using a lowest order theoretical optical potential including spin. The goal is to determine the properties of these nuclei to which pion scattering is sensitive. A realistic description of the nuclear ground state that incorporates the experimental trinucleon charge and magnetic form factors and the theoretical classification of the trinucleon wave function is employed, in addition to a description of the off-shell πN transition matrix based on a finite-ranged potential model and an improved pi-nucleus angle transformation. The 4He calculations establish the practical validity of the optical potential and the 3He calculations indicate the direction for future experiments and improvements in the theory. It is proposed that π−3He scattering can provide information on the magnetic moment form factor of 3He.

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    Work supported in part by National Research Council of Canada.

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