Journal Article

FZJ-2018-07459

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Compact and easy to use mesitylene cold neutron moderator for CANS

Cronert, T. (Corresponding author)FZJ* ; Dabruck, J. P. ; Klaus, M. ; Zakalek, P.FZJ* ; Doege, P.FZJ* ; Baggemann, J.FZJ* ; Beßler, Y.FZJ* ; Butzek, M.FZJ* ; Rücker, U.FZJ* ; Gutberlet, T.FZJ* ; Nabbi, R.FZJ* ; Brückel, T.FZJ* ; Lange, C.

2018
Elsevier Amsterdam

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Please use a persistent id in citations: doi:10.1016/j.physb.2018.01.016

Abstract: Organic aromatic cold neutron moderators - like mesitylene () - are often much more convenient to handle and to commission than cryogenic methane or ortho/para hydrogen moderators. Although this benefit comes at the cost of reduced brilliance, mesitylene moderators are suited to enable cold neutron applications at sources where a complex traditional cold moderator system is not feasible. Developing the Jülich High Brilliance neutron Source (HBS) project, we have investigated the use of such a low-dimensional mesitylene moderator with MCNP and ANSYS simulations and validated the simulations with experiments at TU Dresden's AKR-2 reactor. Here we will document the feasibility, advantages and drawbacks of such a system and give an outlook on future optimization potentials.

Keyword(s): Basic research (1st) ; Instrument and Method Development (2nd)

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Contributing Institute(s):

1. Streumethoden (JCNS-2)
2. Streumethoden (PGI-4)
3. JARA-FIT (JARA-FIT)
4. High Brilliance Source (JCNS-HBS)
5. Zentralinstitut für Technologie (ZEA-1)
6. JCNS-FRM-II (JCNS-FRM-II)

Research Program(s):

1. 144 - Controlling Collective States (POF3-144) (POF3-144)
2. 524 - Controlling Collective States (POF3-524) (POF3-524)
3. 6212 - Quantum Condensed Matter: Magnetism, Superconductivity (POF3-621) (POF3-621)
4. 6213 - Materials and Processes for Energy and Transport Technologies (POF3-621) (POF3-621)
5. 6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623) (POF3-623)

Experiment(s):

1. No specific instrument

Appears in the scientific report 2018

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Database coverage:
; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; IF < 5 ; JCR ; NCBI Molecular Biology Database ; Nationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Web of Science Core Collection

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