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The negative hydrogen ion source neutral particle transmission characteristics and the physical processes of the negative hydrogen ion extracted from plasma grid surface are analyzed. The influence of the extraction hole transfer rate which leads to hydrogen atom transmission is studied. A physical phenomenon of collision and reflection between H and different attribution conductor walls is explored. Then based on CHIPIC software platform, a full three-dimensional PIC-MCC simulation algorithm, in which the H transmission and the physical process of negative hydrogen ion production can be simulated, is successfully developed. It is verified by the simulation of JAEA 10A model. While the simulation reaches a steady state, the average energy of H is about 0.57 eV and H presents +Y drift. The non-uniform H beam bombarding the extraction wall leads to the spatial nonuniformity of negative hydrogen ions. These simulation results are consistent with those given in the literature, thereby verifying the reliability of the algorithm.
[1] Terasaki R, Fujino I, Hatayama A, Mizuno T, Inoue T 2010 Rev. Sci. Instrum. 81 02A703
[2] Jin X L,Yang Z H 2006 Acta Physica. Sinica. 555930 (in Chinese)[金晓林, 杨中海 2006 物理学报555930]
[3] Jin X L, Yang Z H 2006 Acta Physica. Sinica. 555935 (in Chinese)[金晓林, 杨中海 2006 物理学报555935]
[4] Takado N, Hanatani J, Mizuno T, Katoh K, Hatayama A, Hanada M, Seki T, Inoue T 2006 Rev. Sci. Instrum. 77 03A533
[5] Takado N, Tobari H, Inoue T, Hanatani J, Hatayama A, Hanada M, Kashiwagi M, Sakamoto K 2008 J. Appl. Phys. 103 053302
[6] Bonnie J H, Enshuistra P J, Hopman H J 1998 Phys. Rev. A 37 1121
[7] Rasser B, Wunnik J N M, Los J 1982 Surf. Sci 118 697
[8] Behrisch R, EcksteinW1986 Physics of Plasma-Wall Interactions in Controlled Fusion (Vol. 131) (New York: Plenum) p413
[9] Yang C, Liu D G, Wang X M, Liu L Q, Wang X Q, Liu S G 2012 Acta Phys. Sin. 61 045204 (in Chinese)[杨超, 刘大刚, 王小敏, 刘腊群, 王学琼, 刘盛纲 2012 物理学报 61 045204]
[10] Takado N, Hanatani J, Mizuno T, Hatayama A, Tobari H, Hanada M, Inoue T, Taniguchi M, Dairaku M, Kashiwagi M, Watanabe K, Sakamoto K 2007 Production and Neutralization of Negative Ions and Beams 11th International Symposium Santa Fe, New Mexico, USA, September 13-15, 2006 p38
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[1] Terasaki R, Fujino I, Hatayama A, Mizuno T, Inoue T 2010 Rev. Sci. Instrum. 81 02A703
[2] Jin X L,Yang Z H 2006 Acta Physica. Sinica. 555930 (in Chinese)[金晓林, 杨中海 2006 物理学报555930]
[3] Jin X L, Yang Z H 2006 Acta Physica. Sinica. 555935 (in Chinese)[金晓林, 杨中海 2006 物理学报555935]
[4] Takado N, Hanatani J, Mizuno T, Katoh K, Hatayama A, Hanada M, Seki T, Inoue T 2006 Rev. Sci. Instrum. 77 03A533
[5] Takado N, Tobari H, Inoue T, Hanatani J, Hatayama A, Hanada M, Kashiwagi M, Sakamoto K 2008 J. Appl. Phys. 103 053302
[6] Bonnie J H, Enshuistra P J, Hopman H J 1998 Phys. Rev. A 37 1121
[7] Rasser B, Wunnik J N M, Los J 1982 Surf. Sci 118 697
[8] Behrisch R, EcksteinW1986 Physics of Plasma-Wall Interactions in Controlled Fusion (Vol. 131) (New York: Plenum) p413
[9] Yang C, Liu D G, Wang X M, Liu L Q, Wang X Q, Liu S G 2012 Acta Phys. Sin. 61 045204 (in Chinese)[杨超, 刘大刚, 王小敏, 刘腊群, 王学琼, 刘盛纲 2012 物理学报 61 045204]
[10] Takado N, Hanatani J, Mizuno T, Hatayama A, Tobari H, Hanada M, Inoue T, Taniguchi M, Dairaku M, Kashiwagi M, Watanabe K, Sakamoto K 2007 Production and Neutralization of Negative Ions and Beams 11th International Symposium Santa Fe, New Mexico, USA, September 13-15, 2006 p38
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