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    User name M Friend

    Log entry time 16:07:16 on December 2,2009

    Entry number 304176

    This entry is a followup to: 303714

    Followups:

    keyword=Compton photon collimator

    The collimator in the Compton photon beamline has been changed from a 1cm collimator to a 6mm collimator. There is still 3mm of lead shielding upstream of the collimator and 10cm CH2 downstream of the collimator (no change to the shielding).