Anomalous Fluctuations of s-Wave Reduced Neutron Widths of Pt-192,Pt-194 Resonances

作者：Koehler P E^*; Becvar F; Krticka M; Harvey J A; Guber K H

来源：Physical Review Letters, 2010, 105(7): 072502.

DOI：10.1103/PhysRevLett.105.072502

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%.

• 出版日期2010-8-12