54Fe neutron elastic and inelastic scattering differential cross sections from 2–6 MeV

Vanhoy, J. R.; Liu, S. H.; Hicks, S. F.; Combs, B. M.; Crider, B. P.; French, A. J.; Garza, E. A.; Harrison, T.; Henderson, S. L.; Howard, T. J.; McEllistrem, M. T.; Nigam, S.; Pecha, R. L.; Peters, E. E.; Prados-Estévez, F. M.; Ramirez, A. P. D.; Rice, B. G.; Ross, T. J.; Santonil, Z. C.; Sidwell, L. C.; Steves, J. L.; Thompson, B. K.; Yates, S. W.

doi:10.1016/j.nuclphysa.2018.02.004

⁵⁴Fe neutron elastic and inelastic scattering differential cross sections from 2–6 MeV

Journal Article · Fri Feb 23 04:00:00 EST 2018 · Nuclear Physics. A

DOI:https://doi.org/10.1016/j.nuclphysa.2018.02.004· OSTI ID:1489636

^[1]; Liu, S. H. ^[2]; Hicks, S. F. ^[3]; Combs, B. M. ^[3]; Crider, B. P. ^[2]; French, A. J. ^[3]; Garza, E. A. ^[4]; Harrison, T. ^[4]; Henderson, S. L. ^[3]; Howard, T. J. ^[3]; McEllistrem, M. T. ^[2]; Nigam, S. ^[2]; Pecha, R. L. ^[3]; Peters, E. E. ^[2]; Prados-Estévez, F. M. ^[2]; Ramirez, A. P. D. ^[2]; Rice, B. G. ^[4]; Ross, T. J. ^[2]; Santonil, Z. C. ^[3]; Sidwell, L. C. ^[3] more »

United States Naval Academy, Annapolis, MD (United States); US Naval Academy
Univ. of Kentucky, Lexington, KY (United States)
Univ. of Dallas, Irving, TX (United States)
United States Naval Academy, Annapolis, MD (United States)
Univ. of Kentucky, Lexington, KY (United States); Univ. of Dallas, Irving, TX (United States)

Measurements of neutron elastic and inelastic scattering cross sections from ⁵⁴Fe were performed for nine incident neutron energies between 2 and 6 MeV. Measured differential scattering cross sections are compared to those from previous measurements and the ENDF, JENDL, and JEFF data evaluations. TALYS calculations were performed and modifications of the default parameters are found to better describe the experimental cross sections. A spherical optical model treatment is generally adequate to describe the cross sections in this energy region; however, in ⁵⁴Fe the direct coupling is found to increase suddenly above 4 MeV and requires an increase in the DWBA deformation parameter by approximately 25%. Furthermore, this has little effect on the elastic scattering differential cross sections but makes a significant improvement in both the strength and shape of the inelastic scattering angular distribution, which are found to be very sensitive to the size and extent of the surface absorption region.

View Accepted Manuscript (DOE)

Research Organization:: Univ. of Kentucky, Lexington, KY (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

Grant/Contract Number:: NA0002931

OSTI ID:: 1489636

Alternate ID(s):: OSTI ID: 22885809
OSTI ID: 1496285

Journal Information:: Nuclear Physics. A, Journal Name: Nuclear Physics. A Journal Issue: C Vol. 972; ISSN 0375-9474

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited By (1)

Neutron inelastic scattering on 54Fe Olacel, A.; Borcea, C.; Boromiza, M. The European Physical Journal A, Vol. 54, Issue 10 https://doi.org/10.1140/epja/i2018-12619-x	journal	October 2018

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