STUDY ON SUPERHIGH ENERGY γ-RAY FAMILY EVENTS WITH LARGE-SCALE Fe EMULSION CHAMBERS

REN Jing-Ru; LU Sui-Ling; SU Shi; HUO An-Xiang; WANG Cheng-Rui; ZHANG Nai-Jian; HE Mao; CAO Pei-Yuan; LI Jin-Yu; WANG Shi-Zhi; LI Guang-Ju; BAI Guang-Zhi; LIU Zhong-He

Chinese Physics C> 1990, Vol. 14> Issue(11) : 961-965

STUDY ON SUPERHIGH ENERGY γ-RAY FAMILY EVENTS WITH LARGE-SCALE Fe EMULSION CHAMBERS

Institute of High Energy physics,Academia Sinica,Beijing2 Physics Department of Shandong University,Jinan3 Physics Department of Zhengzhou University4 Fundamental Department of Chongqing Architecture College5 Physics Department of Yunnan University,Kunming

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Abstract：
Using a large-scale iron emulsion chamber,a big γ-ray family event with observed energy ΣE_γ=7631TeV was obtained.This paper described the advantages of iron emulsion chamber for studying big families and the characteristics of the event observed,together with a comparison with the Monte-carlo simulation results.

References

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[2]	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.
[3]	JI Xiao-Bin , FU Yu , XUE Liang , ZHANG Xue-Yao , LI Jie , LI Jin-Yu , ZHANG Nai-Jian , He Mao , REN Jing-Ru , LU Sui-Ling . Characteristics of the Transtion Curves of Showers and Discrimination of γ-Rays and Hadrons in Iron Emulsion Chambers. Chinese Physics C, 2001, 25(10): 1012-1016.
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[8]	Chen Jiangchuan , Lu Suiting , Zhu Qingqi , Huo Anxiang . Features of UHE Hadronic Interaction in Fragmentation Region Inferred from the Analysis of MEC Families. Chinese Physics C, 1995, 19(6): 494-499.
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[10]	FAN Xiao-Ling , SU Shi , WANG Yi . Cosmic Ray Muon on the Altitude of 5500m Above the Sea Level. Chinese Physics C, 1991, 15(2): 103-110.
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[15]	JING Gui-Ru , DING Lin-Kai , ZHU Qing-Qi , JING Cai-Liu . RING-LIKE EVENT OBSERVED IN SUPERHIGH ENERGY INTERACTION AND PHASE TRANSITION. Chinese Physics C, 1987, 11(5): 603-608.
[16]	ZOU Bao-Tang , WANG Cheng-Rui , REN Jing-Ru . A COSMIC RAY SUPER HIGH ENERGY MULTIJET FAMILY EVENT. Chinese Physics C, 1986, 10(4): 393-399.
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[18]	LU Sui-Ling , SU Shi , REN Jing-Ru , WANG Dian-Chen . VARIATION OF THE INTENSITY OF ULTRAHIGH ENERGY γ-RAYS WITH ALTITUDE. Chinese Physics C, 1983, 7(1): 118-120.
[19]	Ren Jing-ru , Lu Sui-ling , Su Sui , Wang Yun-xin , Wang Dian-chen , Pan Ji-rong , He Mao , ZHang Nai-jian , Cao Pei-yuan , Chen Yun-hong . AN ULTRA-HIGH ENERGY NUCLEAR INTERACTION EVENT OF LARGE TRANSVERSE MOMENTUM. Chinese Physics C, 1980, 4(3): 349-355.
[20]	KEN JING-RU , LU SWEI-LING , SU SHIH , PAN JI-RUNG . A STUDY OF ULTRA-HIGH ENERGY γ-RAYS BY EMULSION CHAMBERS. Chinese Physics C, 1978, 2(4): 318-322.

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REN Jing-Ru, LU Sui-Ling, SU Shi, HUO An-Xiang, WANG Cheng-Rui, ZHANG Nai-Jian, HE Mao, CAO Pei-Yuan, LI Jin-Yu, WANG Shi-Zhi, LI Guang-Ju, BAI Guang-Zhi, LIU Zhong-He, STUDY ON SUPERHIGH ENERGY γ-RAY FAMILY EVENTS WITH LARGE-SCALE Fe EMULSION CHAMBERS[J]. Chinese Physics C, 1990, 14(11): 961-965.

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Received: 1900-01-01
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

STUDY ON SUPERHIGH ENERGY γ-RAY FAMILY EVENTS WITH LARGE-SCALE Fe EMULSION CHAMBERS

Corresponding author: REN Jing-Ru,

Institute of High Energy physics,Academia Sinica,Beijing2 Physics Department of Shandong University,Jinan3 Physics Department of Zhengzhou University4 Fundamental Department of Chongqing Architecture College5 Physics Department of Yunnan University,Kunming

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 1990-11-05

Abstract: Using a large-scale iron emulsion chamber,a big γ-ray family event with observed energy ΣE_γ=7631TeV was obtained.This paper described the advantages of iron emulsion chamber for studying big families and the characteristics of the event observed,together with a comparison with the Monte-carlo simulation results.

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STUDY ON SUPERHIGH ENERGY γ-RAY FAMILY EVENTS WITH LARGE-SCALE Fe EMULSION CHAMBERS

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