Anomalous fluctuations of s-wave reduced neutron widths of 192,194Pt resonances

Journal Article · Fri Jan 01 00:00:00 EST 2010 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.105.072502· OSTI ID:992536

Koehler, Paul Edward ^[1]; Becvar, F. ^[2]; Krticka, Milan ^[1]; Harvey, John A ^[1]; Guber, Klaus H ^[1]

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1. ORNL
2. Charles University, Prague, Czech Republic

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%.

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Oak Ridge Electron Linear Accelerator
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: DE-AC05-00OR22725
• OSTI ID: 992536
• Journal Information: Physical Review Letters, Vol. 105, Issue 7; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
FLUCTUATIONS
NEUTRONS
PORTER-THOMAS DISTRIBUTION
R MATRIX