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Synthetic diagnostic for the JET scintillator probe lost alpha measurements
Aalto Univ, Dept Appl Phys, POB 11100, Aalto 00076, Finland.;EUROfus Consortium JET, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England.;Aalto Univ, POB 14100, FIN-00076 Aalto, Finland..
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics.
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics.
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Fusion Plasma Physics.
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Number of Authors: 12492019 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 14, article id C09018Article in journal (Refereed) Published
Abstract [en]

A synthetic diagnostic has been developed for the JET lost alpha scintillator probe, based on the ASCOT fast ion orbit following code and the AFSI fusion source code. The synthetic diagnostic models the velocity space distribution of lost fusion products in the scintillator probe. Validation with experimental measurements is presented, where the synthetic diagnostic is shown to predict the gyroradius and pitch angle of lost DD protons and tritons. Additionally, the synthetic diagnostic reproduces relative differences in total loss rates in multiple phases of the discharge, which can be used as a basis for total loss rate predictions.

Place, publisher, year, edition, pages
Institute of Physics Publishing (IOPP), 2019. Vol. 14, article id C09018
Keywords [en]
Nuclear instruments and methods for hot plasma diagnostics, Simulation methods and programs
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-269150DOI: 10.1088/1748-0221/14/09/C09018ISI: 000486989800018OAI: oai:DiVA.org:kth-269150DiVA, id: diva2:1413949
Conference
3rd European Conference on Plasma Diagnostics (ECPD), MAY 06-10, 2019, Lisbon, PORTUGAL
Note

QC 20200311

Available from: 2020-03-11 Created: 2020-03-11 Last updated: 2020-03-12Bibliographically approved

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Bergsåker, HenrikBykov, IgorFrassinetti, LorenzoFridström, RichardGarcia Carrasco, AlvaroHellsten, TorbjörnJohnson, ThomasMoon, SunwooRachlew, ElisabethRatynskaia, SvetlanaRubel, MarekStefániková, EsteraStröm, PetterTholerus, EmmiTolias, PanagiotisOlivares, Pablo VallejosWeckmann, Armin
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