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Generation of a plasma neutron source for Monte Carlo neutron transport calculations in the tokamak JET
Jozef Stefan Inst, Jamova Cesta 39, SI-1000 Ljubljana, Slovenia.
Princeton Univ, Princeton Plasma Phys Lab, Princeton, NJ 08544 USA.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.ORCID iD: 0000-0002-0892-3358
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2018 (English)In: Fusion engineering and design, ISSN 0920-3796, E-ISSN 1873-7196, Vol. 136, p. 1047-1051Article in journal (Refereed) Published
Abstract [en]

The connection between plasma physics and neutronics is crucial for the understanding of the operation and performance of modern and future tokamak devices. Neutrons are one of the primary carriers of information on the plasma state and represent the basis for various plasma diagnostic systems as well as measurements of fusion power, tritium breeding studies, evaluations of tokamak structural embrittlement and the heating of water inside the fusion device's walls. It is therefore important that the birth of neutrons in a plasma and their transport from inside the tokamak vessel to the surrounding structures is well characterized. In this paper a methodology for the modelling of the neutron emission on the tokamak JET is presented. The TRANSP code is used to simulate the total neutron production as well as 2D neutron emission profiles for a JET plasma discharge. The spectra of the fusion neutrons are computed using the DRESS code. The computational results are analysed in an effort to create a plasma neutron source generator, which is to be used for Monte Carlo neutron transport computations.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE SA , 2018. Vol. 136, p. 1047-1051
Keywords [en]
Plasma neutron source, Monte Carlo method, JET, TRANSP, DRESS
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:uu:diva-372897DOI: 10.1016/j.fusengdes.2018.04.065ISI: 000452575300040OAI: oai:DiVA.org:uu-372897DiVA, id: diva2:1278754
Conference
13th International Symposium on Fusion Nuclear Technology (ISFNT), SEP 25-29, 2017, Kyoto, JAPAN
Available from: 2019-01-15 Created: 2019-01-15 Last updated: 2019-01-15Bibliographically approved

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Conroy, SeanEriksson, Jacob

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