雷暴电场对宇宙射线次级粒子 子的影响研究

王俊芳; 郄秀书; 卢红; 张吉龙; 于晓霞; 石峰

doi:10.7498/aps.61.159202

摘要

西藏羊八井宇宙射线观测站的中子监测器主要探测宇宙射线次级粒子中能量在500 MeV20 GeV的核子成分和少量的负子成分. 本文分析了20082010年观测站附近发生的62次雷暴期间中子监测器和大气平均电场仪的同步观测资料, 发现27次雷暴期间中子监测器计数率发生明显变化, 显著性S5, 其中13次变化显著, 显著性S10 . 显著性S10的13次个例信号变化百分比与地面电场场强幅值之间存在大体一致的变化趋势, 而显著性在5 S10之间的14次个例信号变化百分比与地面电场场强幅值之间不存在相似的变化趋势. 较强雷暴当顶时中子监测器计数率变化一般不明显, 而中子监测器计数率变化明显的个例则多发生于雷暴云不当顶, 但探测器仍处于雷暴云下部正电荷层的控制范围之内时, 或者当顶雷暴处于形成或消散阶段. Dorman等把雷暴期间中子监测器计数率的变化归因于雷暴云内电场对宇宙射线次级粒子子的作用, 并建立了雷暴期间中子监测器计数率变化与雷暴地面电场相关联的理论. 本文分析发现雷暴期间羊八井中子监测器计数率变化与地面电场场强之间相关性较小或者没有相关性, 不支持Dorman的理论.

关键词:

Abstract

Neutron monitor (NM) in Yangbajing Cosmic Ray Observatory mainly detects nucleus components with energy in a range of 500 MeV20 GeV and a small number of negative muons. On the basis of synchronous data of neutron monitor and atmospheric electric field during 62 thunderstorms from 2008 to 2010, obvious changes of NM counting rate during 27 thunderstorms with significance greater than S5 are found, and among them, 13 cases with significance greater than S10 . A coincident approximate change trend is found between counting rate change percentage and atmospheric electric field amplitude for 13 cases with significance S10 . However no obvious coincident change trend is found for 14 cases with significance 5 S10 . Obvious changes of counting rate do not occur when thunderstorm is just over electric field mill, however obvious changes occur when electric field mill is not exactly below thunderclouds but in the control of bottom positive charge layer. Dorman put forward the theory that NM counting rate changes are correlated with the atmospheric electric field, thus they attributed the former to the acceleration of the electric field to negative muons inside thunderstorms. However, there is found no evident correlation between NM counting rate charge and the atmospheric electric field in this paper, so our experiment does not support Dormanetal's theory.

Keywords:

作者及机构信息

1.
中国科学院大气物理研究所中层大气和全球环境探测重点实验室, 北京 100029;

2.
中国科学院高能物理研究所粒子天体物理重点实验室, 北京 100049;

3.
中国科学院研究生院, 北京 100049

基金项目: 国家自然科学基金(批准号: 40774083, 40930949)资助的课题.

Authors and contacts

1.
Key Laboratory of Middle Atmosphere and Global Environment observation, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;

2.
Key laboratory of Particle Astrophysics, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;

3.
Graduate School, Chinese Academy of Sciences, Beijing 100049, China

Funds: Project supported by the National Natural Science Foundation of China (Grant Nos. 40774083, 40930949).

参考文献

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[25]	Qie X S, Yuan T, Xie Y R, Ma Y M 2004 Chinese Journal of Geophysics 47 997 (in Chinese) [郄秀书, 袁铁, 谢毅然, 马耀明 2004 地球 47 997]
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[28]	Qie X, Zhang T L, Zhang G, Zhang T, Kong X 2009 Atmos Res. 91 244
[29]	Qie X, Zhang T L, Chen C, Zhang G, Zhang T, Wei W 2005 Geophys. Res. Lett. 32 L05814
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[31]	Wang J F, Cao D J, Lu H, Wang D F 2011 Plateau Meteorology 3 831 (in Chinese) [王俊芳, 曹冬杰, 卢红, 王东方 2011 高原气象 3 831]

施引文献

[1]	Zhao Y, Qie X S, Kong X Z, Zhang G S, Zhang T, Yang J, Feng G L, Zhang Q L, Wang D F 2009 Acta Phys. Sin. 58 6616 (in Chinese) [赵阳, 郄秀书, 孔祥贞, 张广庶, 张彤, 杨静, 冯桂力, 张其林, 王东方 2009 58 6616]
[2]	Yang J, Qie X S, Wang J G, Zhao Y, Zhang Q L, Yuan T, Zhou Y J, Feng G L 2008 Acta Phys. Sin. 57 1968 (in Chinese) [杨静, 郄秀书, 王建国, 赵阳, 张其林, 袁铁, 周筠珺, 冯桂力 2008 57 1968]
[3]	Wang C X, Qie X S, Jiang R B, Yang J 2012 Acta Phys. Sin. 61 039203 (in Chinese) [王彩霞, 郄秀书, 蒋如斌, 杨静 2012 61 039203]
[4]	Zhao X Y, Yuan P, Wang J, Shen X Z, Guo Y X, Qiao H Z 2009 Acta Phys. Sin. 58 3243 (in Chinese) [赵学燕, 袁萍, 王杰, 申晓志, 郭逸潇, 乔红贞 2009 58 3243]
[5]	Guo X Q,Zhang Y J, Dong W S 2006 Acta Phys. Sin. 55 957 (in Chinese) [苟学强, 张义军, 董万胜 2006 55 957]
[6]	Stolzenburg M, Marshall T C, Rust W D, Bruning E, MacGorman D R, Hamlin T 2007 Geophys. Res. Lett. 34 L04804
[7]	Zhao Z K, Qie X S, Zhang T L, Zhang T, Zhang H F, Wang Y, She Y, Sun B L, Wang H B 2010 Chin. Sci. Bull. 55 872
[8]	Li W L, Liu D X, Qie X S, Fu S M, Chen Y C 2012 Acta Phys. Sin. 61 059202 (in Chinese) [ 李万莉, 刘冬霞, 郄秀书, 傅慎明, 陈羿辰 2012 61 059202]
[9]	Wilson C T R 1924 Proc. Phys. Soc. London 37 32D
[10]	Parks G K, Mauk B H, Spiger R, Chin J 1981 Geophys. Res. Lett. 8 1176
[11]	McCarthy M P, Parks G K 1985 Geophys. Res. Lett. 12 393
[12]	Eack K B, Beasley W H, Rust W D, Marshall T C, Stolzenburg M 1996 J. Geophys. Res. 101 29637
[13]	Eack K B, Suszcynsky D M, Beasley W H, Roussel-Dupre R, Symbalisty E 2000 Geophys. Res. Lett. 27 185
[14]	Brunetti M, Cecchini S, Galli M, Giovannin G, Pagliarin A 2000 Geophys. Res. Lett. 27 1599
[15]	Tsuchiya H, Enoto T, Torii T, Nakazawa K, Yuasa T, Torii S, Fukuyama T, Yamaguchi T, Kato H, Okano M, Takita M, Makishima K 2009 Phys. Rev. Lett. 102 255003
[16]	Yoshida S, Morimoto T, Ushio T, Kawasaki Z I, Torii T, Wang D,Takagi N, Watanabe T 2008 Geophys. Res. Lett. 35 L10804
[17]	Torii T, Sugita T, Tanabe S, Kimura Y, Kamogawa M, Yajima K, Yasuda H 2009 Geophys. Res. Lett. 36 L13804
[18]	Attolini M R, Cecchini M G, Guidi I 1971 Lett. Nuovo Cimento Soc. Ital. 1 716
[19]	Dorman L I, Dorman I V, Iucci N, Parisi M, Ne'eman Y, Pustil'nik L A, Signoretti F, Sternlieb A, Villoresi G, Zukerman I G 2003 J. Geophys. Res. 108 1181
[20]	Muraki Y, Axford W I, Matsubara Y, Masuda K, Miyamoto Y, Menjyou H, Sakakibara S, Sako T, Takami T, Yamada T, Shibata S, Munakata Y, Munakata K, Yasue S, Sakai T, Mitsui K, Fujimoto K, Flückiger E 2004 Phys. Rev. D 69 123010
[21]	Alexeenko V V, Chernyaev A B, Chudakov A E, Khaerdinov N S, Ozrokov S K, Sborshikov V G 1987 Conf. Pap. Int. Cosmic Rays, 20th 4 272
[22]	Lu H, Zhao L 2010 Journal of Engineering Studies—The engineering in interdispline horizon 2 53 (in Chinese) [卢红, 赵琳 2010 工程研究—-跨学科视野中的工程 2 53]
[23]	Tan Y H 2007 Modern Physical Knowledge 19 3 (in Chinese) [谭有恒 2007 现代物理知识 19 3]
[24]	Qie X, Toumi R, Yuan T 2003 J. Geophys. Res. 108 4551
[25]	Qie X S, Yuan T, Xie Y R, Ma Y M 2004 Chinese Journal of Geophysics 47 997 (in Chinese) [郄秀书, 袁铁, 谢毅然, 马耀明 2004 地球 47 997]
[26]	Jiang R B, Qie X S, Wang C X, Yang J, Zhang Q L, Wang J F, Liu D X 2011 Acta Phys. Sin. 60 079201 (in Chinese) [蒋如斌, 郄秀书, 王彩霞, 杨静, 张其林, 王俊芳, 刘冬霞 2011 60 079201]
[27]	Cao D J, Qie X S, Duan S, Xuan Y J 2012 Acta Phys. Sin. (in press) 61 069202 [曹冬杰, 郄秀书, 段树, 宣越建 2012 61 069202]
[28]	Qie X, Zhang T L, Zhang G, Zhang T, Kong X 2009 Atmos Res. 91 244
[29]	Qie X, Zhang T L, Chen C, Zhang G, Zhang T, Wei W 2005 Geophys. Res. Lett. 32 L05814
[30]	Li T P, Ma Y Q 1983 The Astrophysical Journal 272 317
[31]	Wang J F, Cao D J, Lu H, Wang D F 2011 Plateau Meteorology 3 831 (in Chinese) [王俊芳, 曹冬杰, 卢红, 王东方 2011 高原气象 3 831]

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