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Title: Fast-neutron total and scattering cross sections of sup 58 Ni and nuclear models

Technical Report ·
DOI:https://doi.org/10.2172/5308361· OSTI ID:5308361
; ;  [1];  [2]
  1. Argonne National Lab., IL (United States)
  2. Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan). Tokai Research Establishment

The neutron total cross sections of {sup 58}Ni were measured from {approx} 1 to > 10 MeV using white-source techniques. Differential neutron elastic-scattering cross sections were measured from {approx} 4.5 to 10 MeV at {approx} 0.5 MeV intervals with {ge} 75 differential values per distribution. Differential neutron inelastic-scattering cross sections were measured, corresponding to fourteen levels with excitations up to 4.8 MeV. The measured results, combined with relevant values available in the literature, were interpreted in terms of optical-statistical and coupled-channels model using both vibrational and rotational coupling schemes. The physical implications of the experimental results nd their interpretation are discussed in the contexts of optical-statistical, dispersive-optical, and coupled-channels models. 61 refs.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE; USDOE, Washington, DC (United States)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
5308361
Report Number(s):
ANL/NDM-120; ON: DE91018363
Country of Publication:
United States
Language:
English