A simple representation of spallation neutron energy spectra for ‘back of the envelope’ estimates

A simple approximate easy-to-use analytic formula is suggested for the absolute integrated-over-angle energy spectrum of neutrons from a high-Z spallation neutron target driven by 500–1500MeV proton beams. Overall, the formula is probably reliable to within a factor ~2–3, and could be useful for qui...

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Bibliographic Details
Published in:Applied radiation and isotopes 2017-03, Vol.121, p.61-63
Main Author: Findlay, D.J.S.
Format: Article
Language:English
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Summary:A simple approximate easy-to-use analytic formula is suggested for the absolute integrated-over-angle energy spectrum of neutrons from a high-Z spallation neutron target driven by 500–1500MeV proton beams. Overall, the formula is probably reliable to within a factor ~2–3, and could be useful for quickly making rough ‘back of the envelope’ estimates. •A simple formula for spallation neutron energy spectra for rough estimates.•Probably reliable to within a factor 2–3.•Useful for making back-of-the-envelope estimates of induced activities.
ISSN:0969-8043
1872-9800
DOI:10.1016/j.apradiso.2016.12.018