Muon Identification Using the Efficiencies Ratio Method at BESⅡ

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GUO Yun-Jun and HE Kang-Lin. Muon Identification Using the Efficiencies Ratio Method at BESⅡ[J]. Chinese Physics C, 2007, 31(11): 1050-1055.
GUO Yun-Jun and HE Kang-Lin. Muon Identification Using the Efficiencies Ratio Method at BESⅡ[J]. Chinese Physics C, 2007, 31(11): 1050-1055. shu
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Received: 2007-02-12
Revised: 2007-03-07
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Muon Identification Using the Efficiencies Ratio Method at BESⅡ

    Corresponding author: HE Kang-Lin,
  • Nanjing University, Nanjing 210093, China2 Institute of High Energy Physics, CAS, Beijing 100049, China

Abstract: The momentum and polar angle depended position resolution and hit efficiency in each layer of BES(Ⅱ) muon detector are calibrated by using cosmic ray and hadron samples. Based on the calibration results, the efficiencies ratio function is constructed to separate μ/π effectively and applied in physics analysis.

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