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Two models (Ta and Nanbu) of Coulomb collisions are compared theoretically, and the difference in scatter angle between Ta model and Nanbu model is analyzed particularly. The model of Coulomb collisions between electrons in the code which is developed already with Ta model is rebuilded with Nanbu model. Then, the codes with Ta model and Nanbu model are used for simulating electron energy distribution in JAEA 10 A respectively. The results of simulation are compared with the experimental results, showing that the electron energy distribution is closer to Maxwell distribution with Coulomb collisions and the Nanbu model is more accurate than the Ta model.
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Keywords:
- Coulomb collisions /
- Ta model and Nanbu model /
- negative hydrogen ions sources /
- electron energy distribution
[1] Yang C, Liu D G, Wang H H, Yang Y P, Liao F Y, Liu L Q, Peng K, Xia M Z 2012 Acta Phys. Sin. 61 235201 (in Chinese) [杨超, 刘大刚, 王辉辉, 杨宇鹏, 廖方燕, 刘腊群, 彭凯, 夏蒙重 2012 61 235201]
[2] Yang C, Liu D G, Xia M Z, Wang H H, Wang X M, Liu L Q, Peng K 2012 Acta Phys. Sin. 61 185204 (in Chinese) [杨超, 刘大刚, 夏蒙重, 王辉辉, 王小敏, 刘腊群, 彭凯 2012 61 185204]
[3] Tobari H, Hanada M, Kashiwagi M, Taniguchi M, Umeda N, Watanabe K, Inoue T, Sakamoto K, Takado N 2008 Rev. Sci. Instrum. 79 02C111
[4] Inoue T, Tobari H, Takado N, Hanada M, Kashiwagi M, Hatayama A, Wada M, Sakamoto K 2008 Rev. Sci. Instrum. 79 02C112
[5] Katoh K, Takado N, Hatayama A, Hanada M, Seki T, Inoue T 2006 Rev. Sci. Instrum. 77 03A535
[6] Hanada M, Seki T, Takado N, Inoue T, Tobari H, Mizuno T, Hatayama A, Dairaku M, Kashiwagi M, Sakamoto K, Taniguchi M, Watanabe K 2006 Rev. Sci. Instrum. 77 03A515
[7] Fujino I, Hatayama A, Takado N, Inoue T 2008 Rev. Sci. Instrum. 79 02A510
[8] Terasaki R, Fujino I, Hatayama A, Mizuno T, Inoue T 2010 Rev. Sci. Instrum. 81 02A703
[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 61 045204]
[10] Yang C, Liu D G, Wang X Q, Wang X M, Xia M Z, Peng K 2012 Acta Phys. Sin. 61 105206 (in Chinese) [杨超, 刘大刚, 王学琼, 王小敏, 夏蒙重, 彭凯 2012 61 105206]
[11] Takizuka T, Abe H 1977 J. Comp. Phys. 25 205
[12] Nanbu K 1997 Phys. Rev. E 55 4642
[13] Wang C, Lin T, Caflisch R, Cohen B, Dimits A 2008 J. Comp. Phys. 227 4308
[14] Chen F F 1984 Introduction to Plasma Physics (New York: Plenum Press) p229
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[1] Yang C, Liu D G, Wang H H, Yang Y P, Liao F Y, Liu L Q, Peng K, Xia M Z 2012 Acta Phys. Sin. 61 235201 (in Chinese) [杨超, 刘大刚, 王辉辉, 杨宇鹏, 廖方燕, 刘腊群, 彭凯, 夏蒙重 2012 61 235201]
[2] Yang C, Liu D G, Xia M Z, Wang H H, Wang X M, Liu L Q, Peng K 2012 Acta Phys. Sin. 61 185204 (in Chinese) [杨超, 刘大刚, 夏蒙重, 王辉辉, 王小敏, 刘腊群, 彭凯 2012 61 185204]
[3] Tobari H, Hanada M, Kashiwagi M, Taniguchi M, Umeda N, Watanabe K, Inoue T, Sakamoto K, Takado N 2008 Rev. Sci. Instrum. 79 02C111
[4] Inoue T, Tobari H, Takado N, Hanada M, Kashiwagi M, Hatayama A, Wada M, Sakamoto K 2008 Rev. Sci. Instrum. 79 02C112
[5] Katoh K, Takado N, Hatayama A, Hanada M, Seki T, Inoue T 2006 Rev. Sci. Instrum. 77 03A535
[6] Hanada M, Seki T, Takado N, Inoue T, Tobari H, Mizuno T, Hatayama A, Dairaku M, Kashiwagi M, Sakamoto K, Taniguchi M, Watanabe K 2006 Rev. Sci. Instrum. 77 03A515
[7] Fujino I, Hatayama A, Takado N, Inoue T 2008 Rev. Sci. Instrum. 79 02A510
[8] Terasaki R, Fujino I, Hatayama A, Mizuno T, Inoue T 2010 Rev. Sci. Instrum. 81 02A703
[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 61 045204]
[10] Yang C, Liu D G, Wang X Q, Wang X M, Xia M Z, Peng K 2012 Acta Phys. Sin. 61 105206 (in Chinese) [杨超, 刘大刚, 王学琼, 王小敏, 夏蒙重, 彭凯 2012 61 105206]
[11] Takizuka T, Abe H 1977 J. Comp. Phys. 25 205
[12] Nanbu K 1997 Phys. Rev. E 55 4642
[13] Wang C, Lin T, Caflisch R, Cohen B, Dimits A 2008 J. Comp. Phys. 227 4308
[14] Chen F F 1984 Introduction to Plasma Physics (New York: Plenum Press) p229
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