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    Make New Entry, Make Followup Entry

    User name Longwu

    Log entry time 16:33:46 on March 28, 2014

    Entry number 387902

    Followups:

    keyword=Shower calibration for run 20269

    The cut I used are:
    1 one cluster reconstructed in vdc:
    R.vdc.u1.nclust==1&&R.vdc.v1.nclust==1&&R.vdc.u2.nclust==1&&R.vdc.v2.nclust==1
    2 R.cer.asum_p>600
    3 One track reconstructed: R.tr.n==1
    4 R.ps.mult>0&&R.sh.mult>0
    
    The variable I plotted is (R.ps.e+R.sh.e)/(p0*(1+R.gold.dp)), and p0=1GeV
    for run 20269. The resolution is about 5.6%
    





    Figure 1