Thermal scattering libraries for cold and very-cold neutron reflector materials

Douglas D. DiJulio*, Jose Ignacio Marquez Damian, Marco Bernasconi, Davide Campi, Giuseppe Gorini, Thomas Kittelmann, Esben Klinkby, Gunter Muhrer, Kemal Ramic, Nicola Rizzi, Valentina Santoro

*Corresponding author for this work

Research output: Contribution to journalConference articleResearchpeer-review

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Abstract

We present recent developments of improved modelling methods for simulating neutron transport in reflector materials of interest for neutron source applications. These include materials to be used as traditional reflectors around the neutron moderator, such as beryllium, and also novel materials, such as nanodiamond particles, to be used as a reflector for very-cold neutrons in the neutron beam extraction area of a neutron scattering instrument. Of particular interest is the inclusion of physical effects that are not modelled in standard thermal scattering libraries used for Monte-Carlo simulations, such as extinction in beryllium reflectors and effects of small-angle neutron scattering from nanodiamond particles.
Original languageEnglish
JournalE P J Web of Conferences
Volume284
Number of pages3
ISSN2100-014X
DOIs
Publication statusPublished - 2023
Event15th International Conference on Nuclear Data for Science and Technology - Virtual
Duration: 24 Jul 202229 Jul 2022

Conference

Conference15th International Conference on Nuclear Data for Science and Technology
CityVirtual
Period24/07/202229/07/2022

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