Anomalous fluctuations of s-wave reduced neutron widths of ${}^{192,194}$Pt resonances

Abstract

We obtained an unprecedentedly large number of s-wave neutron widths through R-matrix analysis of neutron cross-section measurements on enriched Pt samples. Careful analysis of these data rejects the validity of the Porter-Thomas distribution with a statistical significance of at least 99.997%.

4 pages, 3 figures, accepted for publication in Phys. Rev. Lett

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