Elsevier

Annals of Physics

Volume 166, Issue 1, January 1986, Pages 1-32
Annals of Physics

Delta-nucleon interaction and pion-nucleus inelastic scattering

https://doi.org/10.1016/0003-4916(86)90050-3Get rights and content

Abstract

The effect of the ΔN interaction is quantitatively discussed in pion-nucleus inelastic scattering using the Δh formalism. In particular the energy dependence of the σ(T=0)σ(T=1) ratio for the 1+ excitation in 12C is studied in detail. The importance of the ΔN interaction is demonstrated and the possibility is discussed to specify the ΔN interaction from the analysis of the 1+ data. Furthermore in the isoscalar longitudinal and isovector excitations the role of the ΔN interaction is investigated. The possibility of a unified description for elastic and inelastic scattering is examined within the Δh formalism including the effect of the ΔN interaction.

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    Present address: Center for Theoretical Physics, Massachusetts Institute of Technology, Cambridge, Mass. 02139.

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