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P19 · Application for Plasma Diagnostics with D(α,γ)⁶Li Gamma-ray

K. Ochiai¹, N.Kubota¹, A. Taniike², A. Kitamura², T. Nishitani¹

¹Japan Atomic Energy Research Institute, Tokai-mura, Naka-gun, Ibaraki 319-1195, Japan
²Department of Environmental Energy Science, Faculty of Maritime Sciences, Kobe

Abstract: University Introduction The gamma ray measurement from fusion plasma is one of the important techniques to clarify fast ion properties in plasma. Some observation of the gamma-ray in JET plasma was reported. ¹²C(d,p γ)¹³C and ⁹Be(a,n γ)¹²C reactions on the JET observation are mainly recommended as the actual prospective nuclear reaction on the gamma-ray measurement [1]. However, it is thought that the gamma-ray observation by means of these reactions significantly depends on the conditioning (i.e. densities of the beryllium and carbon in plasma). Therefore, it is also important to examine the availabilities concerning the methods of gamma ray. We have tried to measure the 2.18 MeV gamma ray of D(α,γ)⁶Li reaction and the properties of the another gamma ray emission by MeV-He⁺⁺ beam irradiation experiment.

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