Tailoring neutron beam properties by target-moderator-reflector optimisation

Autor:	Jingjing Li, Paul Zakalek, Jörg Voigt, Ulrich Rücker, Thomas Gutberlet, Sarah Böhm, Thomas Brückel, Eric Mauerhofer
Rok vydání:	2021
Předmět:	Nuclear and High Energy Physics Materials science 010308 nuclear & particles physics business.industry Reflector (antenna) Neutron radiation 01 natural sciences Optics Nuclear Energy and Engineering 0103 physical sciences ddc:530 Nuclear Experiment 010306 general physics business
Zdroj:	Journal of neutron research 23(2-3), 185-200 (2021). doi:10.3233/JNR-210016
ISSN:	1477-2655 1023-8166
DOI:	10.3233/jnr-210016
Popis:	Compact accelerator-driven neutron sources allow to operate multiple optimised target-moderator-reflector (TMR) units adapted to the requirements of the respective instruments. The compact design of the TMR units allows an efficient coupling of neutron production, neutron moderation and extraction, but requires a novel way of optimisation. The neutronic performance of different TMR units based on polyethylene, heavy water and a mixture of heavy and light water moderators together with Pb and Be reflectors and a borated polyethylene absorber is discussed. Extraction channels for thermal and cold neutrons are investigated regarding the energy and time spectra.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::29088f74c92f2c78754c90727916e2a5 https://doi.org/10.3233/jnr-210016 Zobrazit plný text záznamu Plný text ve formátu PDF