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    User name M. Cummings

    Log entry time 13:01:34 on April28,2012

    Entry number 380113

    keyword=LHRS dipole NMR won't lock

    After cycling the quads on the LHRS, the nmr wouldn't lock on the dipole. While investigating, we found that the Field Polarization on the LHRS dipole is set to POS (figure 2). The field reading seems to flucuate, going from 0.6T to 1.6T (previous runs at this momentum setting show the dipole field reading to be ~0.4).


    FIGURE 1

    FIGURE 2