Neutron and gamma fields at neutron spallation sources for single-event-effects testing

Platt, S. P. and Hong, Q. and Mein, S. J. and Zhang, L. H. (2013) Neutron and gamma fields at neutron spallation sources for single-event-effects testing. In: Proceedings of the European Conference on Radiation and its Effects on Components and Systems, RADECS. Proceedings of the European Conference on Radiation and its Effects on Components and Systems, RADECS . Institute of Electrical and Electronics Engineers Inc., GBR. ISBN 9781467350570

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Abstract

Monte-Carlo simulations of spallation fields are used to determine neutron and gamma spectra in beams used for single-event-effects testing. Spectra at LANSCE (ICE House) and TSL (ANITA) are calculated using Geant4 with Bertini and binary intranuclear cascade (INC) models. Results with the binary INC model give a good representation of neutron spectra obtained from measurements and independent calculations in each case, and predict gamma dose rates consistent with measured data where these are available. The gamma field in each beam is dominated by a continuum between about 100 keV and about 10 MeV. Integral gamma yields are approximately 0.26 γ p-1 sr-1 and 0.046γ p-1 sr-1 at the ICE House and ANITA, respectively.

Item Type:
Contribution in Book/Report/Proceedings
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2208
Subjects:
?? RADIATIONELECTRICAL AND ELECTRONIC ENGINEERING ??
ID Code:
135314
Deposited By:
Deposited On:
16 Jul 2019 09:15
Refereed?:
Yes
Published?:
Published
Last Modified:
21 Sep 2023 03:58