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Title: Photofission cross-section ratio measurement of 235 U/ 238 U using monoenergetic photons in the energy range of 9.0–16.6 MeV

Photofission cross-section ratios of 235U and 238U have been measured using monoenergetic photon beams from the High Intensity Gamma-ray Source facility at the Triangle Universities Nuclear Laboratory. These measurements have been performed in small energy steps between 9.0 and 16.6 MeV using a dual-fission ionization chamber. The measured cross-section ratios are compared with the previous experimental data as well as with the recent evaluated nuclear data library ENDF.
Authors:
; ; ; ; ;
Publication Date:
Report Number(s):
LLNL-JRNL-737088
Journal ID: ISSN 0168-9002; PII: S0168900217302279
Grant/Contract Number:
NA0002793; FG02-97ER41033; AC52-07NA27344
Type:
Accepted Manuscript
Journal Name:
Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
Additional Journal Information:
Journal Volume: 854; Journal Issue: C; Journal ID: ISSN 0168-9002
Publisher:
Elsevier
Research Org:
Duke Univ., Durham, NC (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Contributing Orgs:
Triangle Universities Nuclear Lab., Durham, NC (United States)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; Photon beam; Photofission; Dual-fission chamber; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
OSTI Identifier:
1368559
Alternate Identifier(s):
OSTI ID: 1368556; OSTI ID: 1424082

Krishichayan,, Bhike, Megha, Finch, S. W., Howell, C. R., Tonchev, A. P., and Tornow, W.. Photofission cross-section ratio measurement of 235 U/ 238 U using monoenergetic photons in the energy range of 9.0–16.6 MeV. United States: N. p., Web. doi:10.1016/j.nima.2017.02.043.
Krishichayan,, Bhike, Megha, Finch, S. W., Howell, C. R., Tonchev, A. P., & Tornow, W.. Photofission cross-section ratio measurement of 235 U/ 238 U using monoenergetic photons in the energy range of 9.0–16.6 MeV. United States. doi:10.1016/j.nima.2017.02.043.
Krishichayan,, Bhike, Megha, Finch, S. W., Howell, C. R., Tonchev, A. P., and Tornow, W.. 2017. "Photofission cross-section ratio measurement of 235 U/ 238 U using monoenergetic photons in the energy range of 9.0–16.6 MeV". United States. doi:10.1016/j.nima.2017.02.043. https://www.osti.gov/servlets/purl/1368559.
@article{osti_1368559,
title = {Photofission cross-section ratio measurement of 235 U/ 238 U using monoenergetic photons in the energy range of 9.0–16.6 MeV},
author = {Krishichayan, and Bhike, Megha and Finch, S. W. and Howell, C. R. and Tonchev, A. P. and Tornow, W.},
abstractNote = {Photofission cross-section ratios of 235U and 238U have been measured using monoenergetic photon beams from the High Intensity Gamma-ray Source facility at the Triangle Universities Nuclear Laboratory. These measurements have been performed in small energy steps between 9.0 and 16.6 MeV using a dual-fission ionization chamber. The measured cross-section ratios are compared with the previous experimental data as well as with the recent evaluated nuclear data library ENDF.},
doi = {10.1016/j.nima.2017.02.043},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 854,
place = {United States},
year = {2017},
month = {5}
}