Higher-order effects in electron-nucleus scattering

  • Higher-order effects are calculated in the framework of the eigenchannel theory for elastic and inelastic electron-nucleus scattering in the energy region 100≤E≤250 MeV. A dispersion effect of about 12% is found for the elastic scattering on Ni58 at a momentum transfer q≈500 MeV/c. For inelastic scattering, the reorientation effect is discussed, in addition to the dispersion effect. The total higher-order effect changes the form factor for a hindered first-order transition by 50% at its minima. Furthermore, the dependence of the higher-order effects on the transition potentials of the virtual excitations, the model dependence, and the dependence on the energy E of the electron and the momentum transfer q are discussed. A closed formula for the S matrix is developed by calculating the eigenchannels in stationary perturbation theory.

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Metadaten
Author:Christian Toepffer, Walter GreinerGND
URN:urn:nbn:de:hebis:30-28664
URL:http://link.aps.org/abstract/PR/v186/p1044
Parent Title (German):Physical review
Document Type:Article
Language:English
Date of Publication (online):2006/06/26
Year of first Publication:1969
Publishing Institution:Universit├Ątsbibliothek Johann Christian Senckenberg
Release Date:2006/06/26
Volume:186
Issue:4
Page Number:16
First Page:1044
Last Page:1059
HeBIS-PPN:185885519
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht