SYMPOSIA PAPER Published: 01 January 2001
STP13615S

Actual and Potential Measurements of Fission-Rate Ratios in the NIST Iron Sphere

Source

We analyze various calculated fission-rate ratios in the leakage spectrum of the NIST iron sphere benchmark field employing a few modern cross-section libraries and compare the only measured value of the 237Np/238U ratio to the respective calculated values. We also present the sensitivities of the calculated fission rates and fission-rate ratios to the 56Fe elastic- and first-level-inelastic-scattering cross sections. We conclude with a recommendation of additional measurements that can shed more light on the various iron, in particular 56Fe, cross-section evaluations.

Author Information

Perel, RL
Racah Institute of Physics, The Hebrew University, Jerusalem, Israel
Wagschal, JJ
Racah Institute of Physics, The Hebrew University, Jerusalem, Israel
Yeivin, Y
Racah Institute of Physics, The Hebrew University, Jerusalem, Israel
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Details
Developed by Committee: E10
Pages: 344–351
DOI: 10.1520/STP13615S
ISBN-EB: 978-0-8031-5450-6
ISBN-13: 978-0-8031-2884-2