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  • Marcer, G., et al. (author)
  • Analytical and MonteCarlo approaches to infer the total gamma ray emission from the JET tokamak
  • 2023
  • In: Journal of Instrumentation. - : IOP Publishing. - 1748-0221. ; 18
  • Journal article (peer-reviewed)abstract
    • A single gamma-ray spectrometer installed at the end of a collimator can be used to infer the total emission from a tokamak plasma if the transport of gamma-rays from the plasma to the detector is known. In such analysis, the plasma emission profile plays a fundamental role, since it impacts the fraction of plasma volume intercepted by the detector line of sight. In this work, the DT 17 MeV fusion gamma-rays emission profile of the JET discharge #99608 from second 46 to 48 has been estimated both with the TRANSP code and reconstructed through tomographic inversion based on the neutron camera data, assuming that fusion gamma-rays have the same profile as the 14 MeV fusion neutrons. The gamma-ray transport has been evaluated both by MonteCarlo simulations and analytical calculations. By combining MonteCarlo and analytical evaluations of the gamma-ray transport in different ways with the estimated radiation emission profile, we provide four different routes to determine the total gamma-ray yield from measurements whose results agree within better than 10%.
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peer-reviewed (1)
Author/Editor
Garcia, J. (1)
Gorini, G (1)
Grosso, G (1)
Croci, G (1)
Kiptily, V (1)
Nocente, M (1)
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Ongena, J (1)
Tardocchi, M (1)
Maslov, M. (1)
Conroy, Sean (1)
Muraro, A (1)
Ghani, Z. (1)
Kazakov, Y. (1)
Rebai, M. (1)
Nave, M. F. F. (1)
Cippo, E. Perelli (1)
Dal Molin, A. (1)
Contributors, J E T (1)
Panontin, E. (1)
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Uppsala University (1)
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Natural sciences (1)
Year
2023 (1)

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