BES-Ⅱ TOF数据的离线刻度
BES-Ⅱ TOF수거적리선각도
Data Offline Calibration for the BES-Ⅱ TOF System
  • 万方数据
    高能物理与核物理 고능물리여핵물리
    HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS
    2001年 2期 154-159 ,共6页

    荣刚%赵家伟%刘琦%薛生田%陈光培%李佩琴%刘靖%毛泽普%李卫国%邱进发%徐春成%谢跃红%袁野%赵海文

    영강%조가위%류기%설생전%진광배%리패금%류정%모택보%리위국%구진발%서춘성%사약홍%원야%조해문

    北京谱仪%飞行时间计数器%数据离线刻度%时间分辨本领%粒子识别 北京譜儀%飛行時間計數器%數據離線刻度%時間分辨本領%粒子識彆
    북경보의%비행시간계수기%수거리선각도%시간분변본령%입자식별
    简要地讨论了北京谱仪-Ⅱ(BES-Ⅱ)飞行时间计数器(TOF)数据的离线刻度. 利用J/ψ能区的电子对事例仔细完成的离线刻度与校正结果表明，新的TOF时间分辨达到σTOF=180ps. 由此大大增强了对带电粒子的识别能力. 对于3σ的π/K分离其动量可以达到0.93GeV/c.
    간요지토론료북경보의-Ⅱ(BES-Ⅱ)비행시간계수기(TOF)수거적리선각도. 이용J/ψ능구적전자대사례자세완성적리선각도여교정결과표명，신적TOF시간분변체도σTOF=180ps. 유차대대증강료대대전입자적식별능력. 대우3σ적π/K분리기동량가이체도0.93GeV/c.
    Data offline calibration and reconstruction for the BES-Ⅱ TOF system are reported in this paper. After applying calibration constants to correct the measured raw data, a time resolution of 180 ps is obtained for the new TOF system. The power of charged particle identification is improved. The momentum for the 3σ π/K separation goes up to 0.93 GeV/c.
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