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    User name adev

    Log entry time 14:55:34 on March 28, 2012

    Entry number 367661

    keyword=Start_Run_40476,Run_type=Optics,target_type=Carbon,comment_text=threshold scan dE=-350mV E1=-350mV E2=-350mV
    Run Timestamp:       Wed Mar 28 14:55:07 EDT 2012
    Beginning-of-run EPICS data for Run Number 40476 at Wed Mar 28 14:55:26 EDT 2012
    
    
    Run_type=Optics
    target_type=Carbon
    comment_text=threshold scan dE=-350mV E1=-350mV E2=-350mV
    
    
    ;This file is automatically generated from 3rd arm Prescales GUI.
    ;To generate this file, type "prescaleTA" without quotes on adev@adaql3
    ;Input the desired prescales and Save.
    ;T1 = 3rd arm scintillator trigger
    ;T8 = 103.7 kHz fast clock
    
    ps1=1,ps2=0,ps3=0,ps4=0,ps5=0,ps6=0,ps7=0,ps8=0
    
    
    -----
    Beam energy (MeV) : 2253.65
    Beam Current : 0.104988
    Beam Current (Hall C) : 181.17
    Left arm angle : -0.179
    Left arm momentum : 2.25097
    Right arm angle : 0.197
    Right arm momentum : 2.25095
    Left septum current : 725.219
    Right septum current : 805.937
    Fast Raster Ix : 0
    Fast Raster Iy : 0
    Slow Raster Ix : 0
    Slow Raster Iy : 0
    -----
    Hall A current reading : 0.03
    BCM Pre Gain 1 A : 40
    BCM Pre Gain 2 A : 41
    Mag Div by 2^n A : 1028
    BCM Pre Gain 1 B : 40
    BCM Pre Gain 2 B : 43
    Mag Div by 2^n B : 1028
    -----
    IPM1C12.XPOS : -1.97321
    IPM1C12.YPOS : -0.382279
    IPM1H05A.XPOS : 0.334839
    IPM1H05A.YPOS : -0.779982
    IPM1H05B.XPOS : -0.89421
    IPM1H05B.YPOS : -2.6421
    -----
    Wien angle (Vertical) : 89.9999
    Wien Vertical BDL (Gcm) : 2649.6
    Wien HV Polarity : POSITIVE
    Wien electrode Voltage : 0
    Wien angle (Solenoids) : 88.7125
    Wien BDL (First Solenoid) (Gcm) : 1239.7
    Wien BDL (Second Solenoid) (Gcm) : 729.5
    Wien angle (Horizontal) : -59.6266
    Wien BDL (Gcm) : -1721.1
    Wien HV Polarity (Horizontal) : NEGATIVE
    Wien electrode Voltage (Horizontal) : 0
    Laser attenuation Hall A : 118
    Laser power Hall A : 0
    Rotating waveplate : 329
    Fake Half-Wave Plate (8960=OUT) : 8960
    Beam Half-wave plate (off=out) : IN
    -----
    Helicity Delay Set : 8 windows
    Helicity Pattern Set : Quartet
    Helicity Clock Set : Free Clock
    Helicity Settle Read : 70
    Helicity Stable Read : 971.65
    Helicity Delay Read : 8 windows
    Helicity Pattern : Quartet
    Helicity Clock Read : Free Clock
    Helicity Frequency : 960.015
    -----
    Target Info:
    Target number in beam : 0
    Target encoder position : 12384
    uWave Frequency (Ghz) : 0
    RF Frequency (Mhz) : 106.5
    Magnetic Field (T) : 2.49865
    Magnet Current : 60.882
    VPT 3He (K) : 1.54027
    VPT 4He (K) : 1.2499
    NMR Area : 10
    Polarization : 0
    -----
    3rd Arm dE Plane HV :
    dE_1L : -1118 dE_1R : -1131
    dE_2L : -1135 dE_2R : -1248
    3rd Arm E Plane HV :
    E_1L : -1388 E_1R : -1370
    E_2L : -1549 E_2R : -1534
    E_3L : -1352 E_3R : -1372
    E_4L : -1477 E_4R : -1422
    -----
    3rd Arm Threshold :
    Threshold for 'dE' is -0.350 V (1341)
    Threshold for 'E1' is -0.350 V (1344)
    Threshold for 'E2' is -0.350 V (1345)