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    User name adaq

    Log entry time 08:19:36 on June 4, 2001

    Entry number 61798

    keyword=Beam Time Accounting
    Hall A

    6/4/2001 0000-0800
    Experiment #: e99117
    Shift Leader: A. Deur
    Shift Workers: E. Busato, K. Kramer, V. Sulkosky

    00000100020003000400050006000700Total Time
    Acceptable Beam
    in Use    		1 40 30 45 40 1 1 10 5.75
    Beam Available
    but Not in Use    		 0 0 30 15 20 0 0 50 1.91666666666667
    Beam Not Available
    or Unacceptable    		 0 20 0 0 0 0 0 0 0.333333333333333
    Accelerator Con-
    figuration Chage    		 0 0 0 0 0 0 0 0 0
    Experiment
    Ready    		 1 1 30 45 40 1 1 10 6.08333333333333
    Planned Config-
    uration Change    		 0 0 10 15 20 0 0 30 1.25
    Unplanned
    Experiment Down    		 0 0 20 0 0 0 0 200.666666666666667
    Hall not
    ready reasons
    Target 0 0 10 15 0 0 0 0 0.416666666666667
    HRSe 0 0 0 0 0 0 0 0 0
    HRSh 0 0 0 0 0 0 0 0 0
    Data Ac 0 0 20 0 0 0 0 0 0.333333333333333
    Other 0 0 0 0 0 0 0 30 0.5

    Comments: Compton polarimetry done at 00:45. Start eP energy measurement 1:05 --> 1:25. Beam down due to BCM trips. 1:25 Beam back. Resume eP energy measurement. 2:10. eP measurement finished. Beam Energy: 1197.7 MeV Move from empty target to C12 target and begin the beam position scan to callibrate the beam position monitor with the HARP. coda crashed (lost 20 min). 3:45. Beam position monitor calibration completed. Move the target to the pick up coil for target polarimetry. 4:45 target polarimetry done. Beam polarisation is about 40% (NMR). 5:05 Start to take spectrometer calibration data with Carbon12 target (optic runs) 6:35 done with the spectrometer calibration data taking 7: take some data with raster powered in order to check it. Meanwhile, we are changing the spectrometer momentum to 1.1916 GeV/c in order to take reference cell data. It is not clear that the raster distribution allow us to take beam on the 3He target or ref cell. We decided to not take beam on the ref and start a Moller polarimetry. We paged the Moller crew and are waiting for them.

    Data Entry by: A. Deur