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In this paper, the principle of the collisional-radiative model for the estimation of plasma parameters from the ratios of K-shell spectral lines was introduced. The structure of a computer program, ZSPEC, developed for the analysis of K-shell line spectra emitted by Z-pinch plasma based on the collisioanl-radiative model was described in detail. The calculation for neon plasma were presented, including the number fractions of major ionization stages at different electron temperature and the contours of K-shell line ratios in the plane defined by electron density and electron temperature. ZSPEC had been used to analyze the measured results of neon gas-puff Z-pinch experiment performed on Yang accelerator. By comparing the K-shell line ratios of neon plasma obtained by an elliptical crystal spectrometer with the results calculated by ZSPEC, the time and space averaged electron temperature and electron density of the K-shell plasma for the shot with 540 kA peaking current were determined to be 240 eV and 1.0×1019 cm-3, respectively.
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Keywords:
- Collisional-radiative model /
- K-shell line spectra /
- neon gas-puff Z-pinch /
- Yang accelerator
[1] Sanford T W L,Allshouse G O,Marder B M,Nash T J,Mock R C,Spielman R B,Seamen J F,McGurn J S,Jobe D,Gilliland T L,Vargas M,Struve K W,Stygar W A,Douglas M R,Matzen M K 1996 Phys.Rev.Lett.77 5063
[2] Chandler G A,Deeney C,Cuneo M,Fehl D L,McGurn J S,Spielman R B,Torres J A,McKenney J L,Mills J,Struve K W 1999 Rev. Sci. Instrum.70 561
[3] Coverdale C A,Deeney C,Jones B,Thornhill J W,Whitney K G,Velikovich A L,Clark R W,Chong Y K,Apruzese J P,Davis J,LePell P D 2007 IEEE Trans. Plasma Sci.35 582
[4] Apruzese J P,Whitney K G,Davis J,Kepple P C 1997 J. Quant. Spectrosc. Radiat. Transfer.57 41
[5] Bailey J E,Chandler G A,Cohen D,Cuneo M E,Foord M E,Heeter R F,Jobe D,Lake P W,MacFarlane J J,Nash T J,Nielson D S,Smelser R,Torres J 2002 Phys. Plasma.9 2186
[6] Bailey J E,Chandler G A,Slutz S A,Golovkin I,Lake P W,MacFarlane J J,Mancini R C,Burris-Mog T J,Cooper G,Leeper R J,Mehlhorm T A,Moore T C,Nash T J,Nielsen D S,Ruiz C L,Schroen D G,Varnum W A 2004 Phys.Rev.Lett.92 085002
[7] Deng J J, Xie W P, Feng S P, Li H T, Song S Y, Wang M, Gu Y C, Xia M H, Guan Y C, Cao W B, Tian Q 2007 IEEE Conference Record-Abstract p671 (IEEE Pulsed Power and Plasma Conference, 2007 June 17—22, Albuquerque, USA)
[8] Ning C,Yang Z H,Ding N 2003 Acta Phys. Sin. 52 1650 (in Chinese)[宁 成、杨震华、丁 宁 2003 52 1650]
[9] Duan Y Y, Guo Y H, Wang W S, Qiu A C 2004 Acta Phys. Sin. 53 2655(in Chinese)[段耀勇、郭永辉、王文生、邱爱慈 2004 53 2655] 〖10] Davis J,Clark R,Blaha M,Giuliani J R 2001 Laser Part. Beams.19 557
[10] Hutchinson I H 2002 Principles of Plasma Diagnostics (Cambridge University Press, 2nd Edition) p217
[11] Griem H R 1964 Plasma Spectroscopy (McGraw-Hill Book, Inc.) p129,p267
[12] Jones B,Deeney C,Coverdale C A,LePell P D,McKenney J L,Apruzese J P,Thornhill J W,Whitney K G,Clark R W,Velikovich A L,Davis J,Maron Y,Kantsyrev V,Safronova A,Oreshkin V I 2006 J. Quant. Spectrosc. Radiat. Transfer.99 341
[13] Bar-Shalom A,Klapisch M,Oreg J 2001 J. Quant. Spectrosc. Radiat. Transfer.71 169
[14] Gu M F 2003 ApJ.582 1241
[15] Thornhill J W,Apruzese J P,Davis J,Clark R W,Velikovich A L,Giuliani Jr J L,Chong Y K,Whitney K G,Deeney C,Coverdale C A,Cochran F L 2001 Phys. Plasma.7 3480
[16] Li J,Huang X B,Yang L B,Gu Y C,Xie W P,Zhang S Q,Cai H C,Xiao S L,Shi J,Pu Y K 2008 Proceedings of the 17th International Conference on High-Power Particle Beams (July 6—11, 2008, Xi'An China) p494
[17] Oxenius J 1986 Kinetic Theory of Particles and Photons (Springer-Verlag, Berlin) p21
[18] Chung H K,Morgan W L,Lee R W 2003 J. Quant. Spectrosc. Radiat. Transfer.81 107
[19] Shi J,Xiao S L,Wang H J,Huang X B,Yang L B,Liu S Y 2008 Chin. Opt. Lett. 6 622
[20] Ning Jiamin, Jiang Shilun, Xu Rongkun 2006 High Power Laser and Particle BeamsAtomic Energy Science and Technology 40 96(in Chinese)[蒋世伦、宁加敏、徐荣昆 2006 原子能科学与技术40 96]
[21] Zhao Y,Yang J M,Zhang J Y,Yi R Q,Zhang W H,Liu J S,Yuan X,Cui M Q,Gan S X 2008 High Power Laser and Particle Beams 20 419(in Chinese)[赵 阳、杨家敏、张继彦、易荣清、张文海、刘劲松、袁 孝、崔明启、甘式新 2008 强激光与粒子束 20 419]
[22] Henke B L,Yamada H T and Tanaka T J 1983 Rev. Sci. Instrum.54 1311
[23] Ren X D,Huang X B,Zhou S T,Zhang S Q,Li J,Yang L B,Li P 2009 Acta Phys. Sin. 58 7067(in Chinese)[任晓东、黄显宾、周少彤、张思群、李 晶、杨礼兵、李 平 2009 58 7067]
[24] Apruzese J P, Davis J, Whitney K G, Yadlowsky E J, Carlson E P, Niemel J, Barakat F, Hazelton R C, Klepper C C, Moschella J J, Failor B H, Levine J S, Riordan J C, Song Y, Whitton B L 2000 Phys. Plasma.8 3399
[25] Cuneo M E, Waisman E M, Levdev S V, Chittenden J P, Stygar W A, Chandler G A, Vesey R A 2005 Phys. Rev. E 71 046406
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[1] Sanford T W L,Allshouse G O,Marder B M,Nash T J,Mock R C,Spielman R B,Seamen J F,McGurn J S,Jobe D,Gilliland T L,Vargas M,Struve K W,Stygar W A,Douglas M R,Matzen M K 1996 Phys.Rev.Lett.77 5063
[2] Chandler G A,Deeney C,Cuneo M,Fehl D L,McGurn J S,Spielman R B,Torres J A,McKenney J L,Mills J,Struve K W 1999 Rev. Sci. Instrum.70 561
[3] Coverdale C A,Deeney C,Jones B,Thornhill J W,Whitney K G,Velikovich A L,Clark R W,Chong Y K,Apruzese J P,Davis J,LePell P D 2007 IEEE Trans. Plasma Sci.35 582
[4] Apruzese J P,Whitney K G,Davis J,Kepple P C 1997 J. Quant. Spectrosc. Radiat. Transfer.57 41
[5] Bailey J E,Chandler G A,Cohen D,Cuneo M E,Foord M E,Heeter R F,Jobe D,Lake P W,MacFarlane J J,Nash T J,Nielson D S,Smelser R,Torres J 2002 Phys. Plasma.9 2186
[6] Bailey J E,Chandler G A,Slutz S A,Golovkin I,Lake P W,MacFarlane J J,Mancini R C,Burris-Mog T J,Cooper G,Leeper R J,Mehlhorm T A,Moore T C,Nash T J,Nielsen D S,Ruiz C L,Schroen D G,Varnum W A 2004 Phys.Rev.Lett.92 085002
[7] Deng J J, Xie W P, Feng S P, Li H T, Song S Y, Wang M, Gu Y C, Xia M H, Guan Y C, Cao W B, Tian Q 2007 IEEE Conference Record-Abstract p671 (IEEE Pulsed Power and Plasma Conference, 2007 June 17—22, Albuquerque, USA)
[8] Ning C,Yang Z H,Ding N 2003 Acta Phys. Sin. 52 1650 (in Chinese)[宁 成、杨震华、丁 宁 2003 52 1650]
[9] Duan Y Y, Guo Y H, Wang W S, Qiu A C 2004 Acta Phys. Sin. 53 2655(in Chinese)[段耀勇、郭永辉、王文生、邱爱慈 2004 53 2655] 〖10] Davis J,Clark R,Blaha M,Giuliani J R 2001 Laser Part. Beams.19 557
[10] Hutchinson I H 2002 Principles of Plasma Diagnostics (Cambridge University Press, 2nd Edition) p217
[11] Griem H R 1964 Plasma Spectroscopy (McGraw-Hill Book, Inc.) p129,p267
[12] Jones B,Deeney C,Coverdale C A,LePell P D,McKenney J L,Apruzese J P,Thornhill J W,Whitney K G,Clark R W,Velikovich A L,Davis J,Maron Y,Kantsyrev V,Safronova A,Oreshkin V I 2006 J. Quant. Spectrosc. Radiat. Transfer.99 341
[13] Bar-Shalom A,Klapisch M,Oreg J 2001 J. Quant. Spectrosc. Radiat. Transfer.71 169
[14] Gu M F 2003 ApJ.582 1241
[15] Thornhill J W,Apruzese J P,Davis J,Clark R W,Velikovich A L,Giuliani Jr J L,Chong Y K,Whitney K G,Deeney C,Coverdale C A,Cochran F L 2001 Phys. Plasma.7 3480
[16] Li J,Huang X B,Yang L B,Gu Y C,Xie W P,Zhang S Q,Cai H C,Xiao S L,Shi J,Pu Y K 2008 Proceedings of the 17th International Conference on High-Power Particle Beams (July 6—11, 2008, Xi'An China) p494
[17] Oxenius J 1986 Kinetic Theory of Particles and Photons (Springer-Verlag, Berlin) p21
[18] Chung H K,Morgan W L,Lee R W 2003 J. Quant. Spectrosc. Radiat. Transfer.81 107
[19] Shi J,Xiao S L,Wang H J,Huang X B,Yang L B,Liu S Y 2008 Chin. Opt. Lett. 6 622
[20] Ning Jiamin, Jiang Shilun, Xu Rongkun 2006 High Power Laser and Particle BeamsAtomic Energy Science and Technology 40 96(in Chinese)[蒋世伦、宁加敏、徐荣昆 2006 原子能科学与技术40 96]
[21] Zhao Y,Yang J M,Zhang J Y,Yi R Q,Zhang W H,Liu J S,Yuan X,Cui M Q,Gan S X 2008 High Power Laser and Particle Beams 20 419(in Chinese)[赵 阳、杨家敏、张继彦、易荣清、张文海、刘劲松、袁 孝、崔明启、甘式新 2008 强激光与粒子束 20 419]
[22] Henke B L,Yamada H T and Tanaka T J 1983 Rev. Sci. Instrum.54 1311
[23] Ren X D,Huang X B,Zhou S T,Zhang S Q,Li J,Yang L B,Li P 2009 Acta Phys. Sin. 58 7067(in Chinese)[任晓东、黄显宾、周少彤、张思群、李 晶、杨礼兵、李 平 2009 58 7067]
[24] Apruzese J P, Davis J, Whitney K G, Yadlowsky E J, Carlson E P, Niemel J, Barakat F, Hazelton R C, Klepper C C, Moschella J J, Failor B H, Levine J S, Riordan J C, Song Y, Whitton B L 2000 Phys. Plasma.8 3399
[25] Cuneo M E, Waisman E M, Levdev S V, Chittenden J P, Stygar W A, Chandler G A, Vesey R A 2005 Phys. Rev. E 71 046406
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