Actions for delta. -nucleus interactions. CTP No. 887 [electronic resource].

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delta. -nucleus interactions. CTP No. 887 [electronic resource].

Published
Cambridge, Mass. : Massachusetts Institute of Technology, 1980.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: 20 : digital, PDF file
Additional Creators
Massachusetts Institute of Technology and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The theoretical description of pion-nucleus interactions, specifically in the intermediate-energy region dominated ..delta..-excitation, is discussed. Attention is focused on the interaction with and propagation through the nucleus of pions and ..delta..'s. The approach followed basically consists of viewing the ..delta..-nucleus system, formed by pion excitation of a nucleon, as a doorway for the pion-nucleus reaction. Analysis of the interacting ..delta..-nucleus system then leads to new dynamical information summarized in a complex ..delta..-nucleus interaction potential. The associated nuclear medium corrections to ..delta.. propagation, related in more conventional language to higher-order corrections in the pion optical potential, are so large as to demand consideration in quantitative studies of nuclear structure with pions. After a discussion of the basic scale parameters characterizing intermediate-energy pion-nucleus interactions, the author discusses the theoretical framework and the extraction of ..delta.. interaction parameters from inclusive pion-nucleus cross sections. More detailed tests of the picture, such as elastic scattering angular distributions, are then discussed. Finally, some implications for intermediate-energy photoreactions are outlined. 11 figures. (RWR)
Report Numbers
E 1.99:conf-800863-3
conf-800863-3
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Note
Published through SciTech Connect.
10/01/1980.
"conf-800863-3"
International conference on nuclear physics, Berkeley, CA, USA, 24 Aug 1980.
Moniz, E.J.
Funding Information
AC02-76ER03069
View MARC record | catkey: 14672633