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    User name P. Solvignon

    Log entry time 16:20:44 on February10,2003

    Entry number 95904

    This entry is a followup to: 95854

    keyword=About the calibration constant

    The calibration constant used from now is 2.79% per mV: it was the EPR-NMR calibration found in the test lab for Exodus.

    The EPR-NMR calibration that I have done early morning on february 8th is not usable since EPR shows a strong masing effect. This means that the pumping chamber was depolarizing very quickly while the polarization of the target chamber shows a normal depolarization.
    The constant found was 2.47 % per mV and it is estimated as too low.