Presentation Information

3:30 PM - 3:45 PM JST(6:30 AM - 6:45 AM UTC)

[1C11]Shielding design of the compact neutral particle analyzer for the LHD deuterium plasma experiments

*Takeo Nishitani¹, Tetsuo Ozaki¹, Kenji Saito¹, Shuji Kamio¹, Kunihiro Ogawa^2,1, Mitsutaka Isobe^2,1, Hiroki Kawase², Neng Pu² (1. NIFS, 2. SOKENDAI)

Keywords:

LHD,compact neutral particle analyzer,Neutron shielding,Deuterium plasma experiment,MCNP6

LHD started the deuterium plasma experiment at March 2017. The compact neutral particle analyzer can measure radial energetic particle distribution directly. The neutron shield is a critical issue in this measurement. The neutron shielding was performed by the MCNP calculation. However, the present shielding is not enough. Therefore, the improvement of the shield is considered.

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