Synthetic diagnostic for the JET scintillator probe lost alpha measurements

Research output: Contribution to journalArticleScientificpeer-review

Researchers

Research units

  • École Polytechnique Fédérale de Lausanne (EPFL)
  • VTT Technical Research Centre of Finland
  • Culham Science Centre

Abstract

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.

Details

Original languageEnglish
Article numberC09018
Pages (from-to)1-6
JournalJournal of Instrumentation
Volume14
Issue number9
Publication statusPublished - Sep 2019
MoE publication typeA1 Journal article-refereed
EventEuropean Conference on Plasma Diagnostics - Lisbon, Portugal
Duration: 6 May 201910 May 2019
Conference number: 3

    Research areas

  • Nuclear instruments and methods for hot plasma diagnostics, Simulation methods and programs

ID: 41859447