Study on the Muon Backgroud in the Underground Laboratory of KIMS

ZHU Jing-Jun; KANG Ke-Jun; LI Yuan-Jing; LI Jin

Chinese Physics C> 2005, Vol. 29> Issue(8) : 721-726

Study on the Muon Backgroud in the Underground Laboratory of KIMS

Department of Engineering Physics,Tsinghua University, Beijing 100084, China2 DMRC and School of Physics,Seoul National University, Seoul 151-742, Korea3 Department of Physics, Sejong University, Seoul 143-747, Korea4 Physics Department, Yonsei University, Seoul 120-749, Korea5 Department of Science Education, Ewha Woman's University, Seoul 120-750, Korea6 Physics Department, Kyungpook National University, Daegu 702-701, Korea7 Institute of high energy physics, Chinese Academy of Sciences, Beijing 100039, China

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Abstract：
KIMS is a group aiming at the search for WIMP. In WIMP search experiment, the muon is one important background. We measure the muon flux in Yangyang laboratory where is located at 700m underground. The structure and performance test of muon detector is described. The analysis on muon hit position and angle distribution has been performed. The simulations of muon flux have been done. The muon flux in the laboratory is found to be about (7.0±0.4)×10^-8/s/cm²/sr.

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ZHU Jing-Jun, KANG Ke-Jun, LI Yuan-Jing and LI Jin. Study on the Muon Backgroud in the Underground Laboratory of KIMS[J]. Chinese Physics C, 2005, 29(8): 721-726.

ZHU Jing-Jun, KANG Ke-Jun, LI Yuan-Jing and LI Jin. Study on the Muon Backgroud in the Underground Laboratory of KIMS[J]. Chinese Physics C, 2005, 29(8): 721-726. shu

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Received: 2004-11-24
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Study on the Muon Backgroud in the Underground Laboratory of KIMS

Corresponding author: LI Jin,

Department of Engineering Physics,Tsinghua University, Beijing 100084, China2 DMRC and School of Physics,Seoul National University, Seoul 151-742, Korea3 Department of Physics, Sejong University, Seoul 143-747, Korea4 Physics Department, Yonsei University, Seoul 120-749, Korea5 Department of Science Education, Ewha Woman's University, Seoul 120-750, Korea6 Physics Department, Kyungpook National University, Daegu 702-701, Korea7 Institute of high energy physics, Chinese Academy of Sciences, Beijing 100039, China

Received Date: 2004-11-24

Accepted Date: 1900-01-01

Available Online: 2005-08-05

Abstract: KIMS is a group aiming at the search for WIMP. In WIMP search experiment, the muon is one important background. We measure the muon flux in Yangyang laboratory where is located at 700m underground. The structure and performance test of muon detector is described. The analysis on muon hit position and angle distribution has been performed. The simulations of muon flux have been done. The muon flux in the laboratory is found to be about (7.0±0.4)×10^-8/s/cm²/sr.

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Study on the Muon Backgroud in the Underground Laboratory of KIMS

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