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    User name Xiaofeng

    Log entry time 07:52:58 on August23,2001

    Entry number 71956

    keyword=good electron cuts for kin-3

    kin-3 started from run 3050/31050
    The following is the cut used in 97103_phys.kumac for good electron selections:
    left arm :
    cut $1 abs(tg_dp) < 0.04.and.-0.13 < react_z < 0.155.and.-0.03 < tg_ph<0.025.and.abs(tg_th) < 0.055
    cut $2 500 < cer < 5000
    cut $3 (500< psh <4000).and.(psh+sh > 2500).and.(0 < sh < 4000)

    Right arm:
    cut $1 abs(tg_dp)< 0.04.and.-0.14< react_z< 0.13.and.-0.025< tg_ph< 0.03.and.abs(tg_th)< 0.05
    cut $2 (500< cer< 5000)
    cut $3 (250< psh< 5000).and.(500< sh< 5000).and.(psh+sh>2000)