Fluctuations in Nuclear Elastic Scattering Cross Sections
May 20, 19697 pages
Published in:
- Phys.Rev. 181 (1969) 1414-1421
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Abstract: (APS)
A method of fluctuation analysis is developed for elastic scattering of spin-zero particles from spin-zero nuclei. The principal difference between this model and the one proposed by Ericson is that some unitarity is included. It is shown that all features of conventional fluctuation analysis are modified to a small extent. Analysis of the phase shift may show entirely different behavior from that predicted by an Ericson model. Because of the simplicity of the elastic-scattering reaction, it is possible to obtain not only the total width but also the level spacing and partial width (as defined within the context of the model). These quantities are obtained as a function of angular momentum. This method is only applicable if a phase-shift analysis can be done on the data.References(18)
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