Elsevier

Annals of Physics

Volume 140, Issue 2, May 1982, Pages 266-340
Annals of Physics

Isobar-hole description of pion-nucleus inelastic scattering

https://doi.org/10.1016/0003-4916(82)90162-2Get rights and content

Abstract

The Δh formalism is applied to a systematic study of π-nucleus inelastic scattering. In the formal part of this work, the following basic excitation mechanisms are identified in π-nucleus inelastic scattering: coupling to the transition density, coupling to convection and magnetization currents and coupling to the spin-flux tensor. The properties of these modes of coupling are discussed, in particular implications of certain symmetries of the corresponding transition amplitudes. As an application, calculations are presented for various excitations in π12C scattering in the resonance region. In the comparison with the data the interplay is emphasized between the nuclear structure aspects, on the one hand, and the reaction mechanisms contained in the Δh formalism, on the other hand.

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Permanent address: Physics Laboratory, School of Medicine, Juntendo University, Narashino Chiba, Japan.

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