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    User name mhuang

    Log entry time 20:24:47 on March 12, 2012

    Entry number 366020

    This entry is a followup to: 366011

    keyword=RHRS has higher rate than LHRS (GEP optics runs)

    RHRS should be at larger angle for elastic scattering, which can be seen
    from dp plots of RHRS and LHRS: elastic scattering electrons in RHRS have
    lower momentum. But RHRS has higher rates. The small peak at the most
    right position in dp spectrum of RHRS is larger than that of LHRS, I
    don't know if it is the reason, and if also the reason for the events
    with large negative VertexZ from upstream (from Aluminum?). 

    RHRS 22220

    LHRS 3132