Diagnosis of physical parameters of fast particles in high power fusion plasmas with high resolution neutron and gamma-ray spectroscopy
作者： M Tardocchi , M Nocente , G Gorini
DOI: 10.1088/0741-3335/55/7/074014
关键词:
摘要: High resolution neutron emission spectroscopy (NES) and gamma-ray (GRS) measurements of fast ions in high power fusion plasmas are reviewed. NES is a well established diagnostics the velocity distribution fuel was recently used to investigate interaction energetic with MHD instabilities. energy GRS on more recent application shown provide information function minority accelerated by ICRH, such as 4 He 3 He. Starting from today’s D plasmas, ion DT burning plasma next step tokamaks, ITER, discussed. The enhanced fluxes expected ITER will allow for time-resolved dynamics ms time scale. intensity alpha knock-on component 14 MeV spectrum 4.44 3.21 peaks 9 Be(α,n γ) 12 C reaction studied α particle slowing down plasma. results show that two techniques sensitive different regions phase space thus complementary information. (Some figures may appear colour only online journal)
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