Study of VC Trigger Efficiency on BESⅡ

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SHI Xin, YUAN Chang-Zheng and BAN Yong. Study of VC Trigger Efficiency on BESⅡ[J]. Chinese Physics C, 2004, 28(9): 982-985.
SHI Xin, YUAN Chang-Zheng and BAN Yong. Study of VC Trigger Efficiency on BESⅡ[J]. Chinese Physics C, 2004, 28(9): 982-985. shu
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Received: 2003-11-25
Revised: 1900-01-01
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Study of VC Trigger Efficiency on BESⅡ

    Corresponding author: SHI Xin,
  • Department of Technical Physics,Peking University,Beijing 100871,China2 Institute of High Energy Physics,CAS,Beijing 100039,China

Abstract: We simulated the VC trigger system of BESⅡ in the frame of SIMBES-the Geant-3 based detector simulation package,calculated the VC trigger efficiencies for certain decay channels and found that the VC trigger efficiencies from those events with the second vertexes and long decay length are low.From this point of view,considering the physics interests of BESⅢ,we discussed some typical decay channels related with trigger efficiency and hope it will be helpful for the trigger table design.

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