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    User name Berman

    Log entry time 22:49:31 on November 1,2006

    Entry number 188719

    keyword=Beam spot drifting

    We noticed that the beam spot position had drifted rather far from the target center (more than 1 cm), and clearly striking the target at a large angle (since it was off in the reverse direction at BPMA from its position at BPMB and the target. We had MCC retune the beam to acceptable positions at the various beam monitors, then stopped the run in progress (#1896) at 400K counts. The new run (#1897) looks good, as does its replay,