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    User name Sirish

    Log entry time 15:47:53 on November12,2008

    Entry number 248409

    keyword=Compton Commissioning

    Compton chicane beam tune has been successfuly completed.

    Difficulties were encountered in threading the beam through the newly installed e-detector chamber and beam pipes. The beam was scraping near the e-detector and causing ep-ion chamber trips.

    The orbit of the beam near the e-detector had to be raised by 1.5 mm from before for clear passage of the beam.

    Now that a new beam tune through the Compton chicane has been established, stability of the tune should be monitored over the next day or so.