Journal of the Physical Society of Japan
Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015
Statistical Analysis of P-Wave Neutron Reduced Widths
Girish C. Joshi, Hari M. Agrawal
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2000 Volume 69 Issue 2 Pages 373-377

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Abstract
The fluctuations of the p-wave neutron reduced widths for fifty one nuclei have been analyzed with emphasis on recent measurements by a statistical procedure which is based on the method of maximum likelihood. It is shown that the p-wave neutron reduced widths of even-even nuclei follow single channel Porter Thomas distribution (χ2-distribution with degree of freedom ν =1) for most of the cases where there are no intermediate structure. It is emphasized that the distribution in nuclei other than even-even may differ from a χ2-distribution with one degree of freedom. Possible explanation and significance of this deviation from ν=1 is given.
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© The Physical Society of Japan 2000
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