The Study of Primary Cosmic Ray Mass Composition Around the

YANG Hong-Tao; LIU Jun; GENG Qing-Xi; LIU Chang-Qin; ZHANG Pin; GAO Xiao-Yu; ZHA Min; JING Gui-Ru; JING Cai-Liu; ZHU Qing-Qi; Cheung T; Leung K; NG L

Chinese Physics C> 2006, Vol. 30> Issue(6) : 497-500

The Study of Primary Cosmic Ray Mass Composition Around the

Cosmic Ray Research Institute of Yunnan University, Kunming 650091,China2 Institute of High Energy Physics, CAS, Beijing 100049,China3 City University of Hong Kong, Hong Kong, China4 Hong Kong Institute of Education, Hong Kong, China

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Abstract：
The lg N_e-N_μ relationship has been studied from 4.4×10⁴ events (total observation time is 2.9×10⁶s)collected from Mt. Liang Wang Array (24.5°N, 102.9°E, 2720m above sea level). In order to study the mass composition at the knee, Monte-Carlo simulations for the EAS development and detection under same event selection criteria as used in the experimental data have been performed. The result shows that the mass composition of primary cosmic rays has no obvious change and the dominant component is light nuclei around the knee.

References

[1]

. Teshima M. Proc. of 23rd ICRC. Calgary, Inv., Rap. Highlight Papers, 1993. 2572. GAO X Y, Leung K C, YANG H T et al. A New Under-ground Muon Detector on Mt. Liang Wang. 24th Interna-tional Cosmic Ray Conference(Vol.1). Roma, 1995. 978-9813. Ng L K, GAO X Y, YANG Z T et al. New Gammaray Observatory on Mt. Liang Wang. Protheroe R J. In: 21st In-ternational Cosmic Ray Conference(Vol.4). Australia, 1990,286?894. GAO X Y, Leung K C, YANG H T et al. The EAS MuonDetection on Mt. Liang Wang. ZHU Q Q. In: CCAST-WLWorkshop Series(Vol.48). Beijing: CCAST(World Laboratory) Workshop, 1995. 121-28 (in Chinese)(高晓宇，梁淦章，杨洪涛等.梁王山站EAS的f探测.朱清棋编辑.见:COAST-WL、workshop Series(48卷).北京:CCAST(World Laboratory)、workshop, 1995. 121-128)5. Leung K C. Muon Detector Array To Discriminate-Ray EAS at Mountain Altitude. Doctor Degree Thesis of Hongkong University, 19956. Bennett S, Greisen K. Physical Review, 1961, 124(6):1982—19877. ZHA Min, CHUENG Tsang, DING Lin-Kai et al. ChinesePhysics Letters, 1999, 16(8): 622—6248. Swordy S P, Kieda D B. The Composition near the ‘Knee’from Multiparameter Measurements of Air Showers. KiedaD, Salamon M, Dingus B. In: 26th International CosmicRay Conference. Utah: 26th ICRC Committee, 19999. Haungs A, Antoni T, Apel W D et al. Cosmic Ray Energy Spectrum around the Knee by Muon Density Measurements at KASCADE. Kieda D, Salamon M, Dingus B.In: 26th International Cosmic Ray Conference. Utah: 26th ICRC Committee, 1999

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[2]	BAI Yun-Xiang , XIAO Gang , CAO Zhen . Performance of CRTNT Fluorescence Light Detector for Sub-EeV Cosmic Ray Observation. Chinese Physics C, 2006, 30(9): 824-827.
[3]	WANG He , WANG Yong-Gang , DAI Zhi-Qiang , XUE Liang , FENG Cun-Feng , ZHANG Xue-Yao , LI Jin-Yu , ZHANG Nai-Jian , HE Mao , WANG Cheng-Rui , REN Jing-Ru , LU Sui-Ling . Lateral Distribution of Shower Particles in High Energy Family Events of Cosmic Rays. Chinese Physics C, 2003, 27(4): 299-303.
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[5]	LIU Jun , GENG Qing-Xi , YANG Hong-Tao , LIU Chang-Qin , ZHANG Pin , GAO Xiao-Yu , JING Cai-Liu , ZHA Min , JING Gui-Ru , ZHU Qing-Qi , Cheung T , Ng L . Study of EAS Local Muon Density Spectrum and the Knee in the Energy Spectrum of Primary Cosmic Rays. Chinese Physics C, 2003, 27(2): 109-112.
[6]	JIA Huan-Yu , WANG Shun-Jin . Study of the Time Variation of 10TeV Cosmic Ray. Chinese Physics C, 2001, 25(4): 277-282.
[7]	FENG CunFeng , ZHANG XueYao , KONG FanMin , HE Mao , FU Yu , DAI ZhiQiang , ZHANG NaiJian . Relation between Interactive Models and Identification of Primary Cosmic Ray Components at the “Knee”. Chinese Physics C, 2000, 24(6): 467-472.
[8]	Ding Linkal , Zhu Qingqi , Shen Changquan , Yao Zhiguo , Cheung Tsang , Matti Vallinkoski . An Approach to Study the Cosmic Ray ‘Knee’Composition From Underground Multimuon Events at a Shallower Depth. Chinese Physics C, 1999, 23(6): 584-588.
[9]	Liang Hualou , Xie Wei , Ren Jingru , Wang Taijie , Dai Guiliang . Distinguishing Primary Cosmic-Ray Composition with Artificial Neural Networks. Chinese Physics C, 1997, 21(3): 205-210.
[10]	Jiang Yinlin . Atmospheric Cherenkov Images of Cosmic Ray Muons. Chinese Physics C, 1995, 19(2): 110-115.
[11]	Luo Guangxuan , Tan Youheng , Zhang Chunsheng , Dong Yuju , Yuan Peng , Zhang Huimin , Wang Hui , Yuan Yukui , Li Jing . Primary Energy Spectrum of Cosmic Ray at the. Chinese Physics C, 1995, 19(9): 769-774.
[12]	Jia Huanyu , Cao Zhen , Zhang Huimin . The Study of Meteorological Effects on TeV Cosmic Ray Flux. Chinese Physics C, 1994, 18(9): 788-793.
[13]	XIE Yuan-Xiang , HU Xiao-Qing . Investigation of the α particles in the Reaction of 294MeV ²⁰Ne+¹⁵⁹Tb. Chinese Physics C, 1993, 17(3): 283-288.
[14]	CAO Pei-Yuan , WANG Cheng-Rui , HE Mao , ZHANG Nai-Jian , LI Jin-Yu , LI Jie , REN Jing-Ru , LU Sui-Ling . High Energy Gamma Rays and Hadrons in Atmospheric Cosmic Rays. Chinese Physics C, 1992, 16(10): 886-890.
[15]	ZHANG Nai-Jian , WANG Cheng-Rui , HE Mao , CAO Pei-Yuan , LI Jin-Yu , ZOU Bao-Tang , WANG Guang-Jun , WEI Chao . HIGH ENERGY HADRONS IN ATMOSPHERIC COSMIC RAYS OBSERVED WITH Fe EMULSION CHAMBERS. Chinese Physics C, 1989, 13(11): 961-966.
[16]	JIANG Yin-Lin , YUAN Yu-Kui , LI Yan-Guo , CHEN Duan-Bao , ZHENG Rong-Ting , SONG Jian-Ning . RESEARCH FOR THE POSSIBILITY ON DETECTING COSMIC RAY PARTICLES BY ACOUSTIC WAY. Chinese Physics C, 1986, 10(1): 9-14.
[17]	HE Yu-Dong , ZHOU Wen-De , HE Ren-Dao , MU Jun , DING Lin-Kai , ZHU Qing-Qi , JING Cai-Liu , JING Gui-Ru . AN ANALYSIS OF PRIMARY COSMIC RAY COMPOSITION AT ENERGIES AROUND 10¹⁴eV USING SINGLE-SHOWER EVENTS OBSERVED BY MOUNTAIN EMULSION CHAMBER. Chinese Physics C, 1986, 10(6): 641-646.
[18]	JING Cai-Liu , JING Gui-Ru , DING Lin-Kai , ZHU Qing-Qi . ANALYSIS ON COSMIC RAY MULTI-μ PHENOMENA IN ENERGY REGION 10¹⁴—10¹⁶eV. Chinese Physics C, 1985, 9(2): 134-141.
[19]	LU Chang-Guo , LU Wei-Da , ZHOU Yue-Hua , ZHANG Yu , GU Wei-Xin . TESTING RESULTS ON THE PROTOTYPE OF SHOWER COUNTER WITH COSMIC RAYS. Chinese Physics C, 1985, 9(4): 397-404.
[20]	DING Lin-Kai , JING Gui-Ru . NUCLEAR COMPONENTS OF PRIMARYS COSMIC RAYS AND CLUSTER PHENOMENA IN EMULSION CHAMBER EXPERIMENTS. Chinese Physics C, 1983, 7(2): 129-134.

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YANG Hong-Tao, LIU Jun, GENG Qing-Xi, LIU Chang-Qin, ZHANG Pin, GAO Xiao-Yu, ZHA Min, JING Gui-Ru, JING Cai-Liu, ZHU Qing-Qi, Cheung T, Leung K and NG L. The Study of Primary Cosmic Ray Mass Composition Around the[J]. Chinese Physics C, 2006, 30(6): 497-500.

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Received: 2004-11-30
Revised: 2006-01-04

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

The Study of Primary Cosmic Ray Mass Composition Around the

Corresponding author: YANG Hong-Tao,

Cosmic Ray Research Institute of Yunnan University, Kunming 650091,China2 Institute of High Energy Physics, CAS, Beijing 100049,China3 City University of Hong Kong, Hong Kong, China4 Hong Kong Institute of Education, Hong Kong, China

Received Date: 2004-11-30

Accepted Date: 2006-01-04

Available Online: 2006-06-05

Abstract: The lg N_e-N_μ relationship has been studied from 4.4×10⁴ events (total observation time is 2.9×10⁶s)collected from Mt. Liang Wang Array (24.5°N, 102.9°E, 2720m above sea level). In order to study the mass composition at the knee, Monte-Carlo simulations for the EAS development and detection under same event selection criteria as used in the experimental data have been performed. The result shows that the mass composition of primary cosmic rays has no obvious change and the dominant component is light nuclei around the knee.

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