Thermal Neutron Activation Cross Sections
نویسندگان
چکیده
منابع مشابه
Statistical Estimates of Thermal Neutron Capture Cross Sections
Fluctuations of neutron resonance parameters result in the observed distribution of the thermal neutron capture cross sections. The statistical approach allowing for quantitative estimates of unknown thermal cross sections is presented. The caicufated distribution of the cross sections is compared with recent data. Estimations statistiques de sections efficaces de capture de neutrons thermiques...
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We have measured precise thermal neutron capture γ-ray cross sections σγ for all stable Palladium isotopes with the guided thermal neutron beam from the Budapest Reactor. The data were compared with other data from the literature and have been evaluated into the Evaluated Gamma-ray Activation File (EGAF)[1]. Total radiative neutron capture cross-sections σγ can be deduced from the sum of transi...
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Three neutron reactions leading to production of the rare gases Ar41 and Xe135 have been in vestigated. Single crystal samples of KF, CaF2 , and BaF2 were irradiated in the Berlin reactor and the target-free absolute activities of the rare gas isotopes measured by a /^-/-coincidence method. The calculated cross sections are K41 (n,p)Ar41: o = ( 2 ,73±0,41) mb; o0= (98,6± 14,8) mb; Ca44(n,a)Ar4...
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Previous compilations of (n, γ ) cross sections of relevance for neutron capture nucleosynthesis in the big bang and in the slow neutron capture process (s process) have been updated to encompass information available up to December 1998; data references include work in process then and published subsequently. The experimental results for nuclei between H and Bi were critically surveyed, renorm...
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The np differential cross section below 350 MeV neutron laboratory energy is studied using the energy-dependent Nijmegen partial-wave analysis PWA93. We analyze in detail three experiments, performed at LAMPF, at TRIUMF, and at the TSL facility in Uppsala. The issue of normalization of np cross sections is discussed, where we distinguish between measured and calculated normalizations. This anal...
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ژورنال
عنوان ژورنال: Physical Review
سال: 1947
ISSN: 0031-899X
DOI: 10.1103/physrev.72.888