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    User name eschulte

    Log entry time 14:39:40 on March 19, 2011

    Entry number 352593

    keyword=Run 2942 BigBite Wire Chambers

    The BigBite wire chamber hits look suspiciously low, but the telemetry seems OK. We're investigating to see if this is an engineering or an analysis problem. Run 2942 is the first run after the beam current was reduced to 2.5uA, the only change we know of.

    The beam positions have been stable and the HV and readback currents do not look particularly suspicious.

    Some investigation seems to reveal that BigBite is fine, and this is just an effect of the beam current change shifting peaks around.