• Main INDEX
  • Monthly INDEX
  • PREV
  • NEXT
    Make New Entry, Make Followup Entry

    User name adev

    Log entry time 10:59:38 on March 20, 2012

    Entry number 367182

    keyword=Start_Run_40440,Run_type=Cosmics,target_type=empty,comment_text=threshold scan dE=-75mV E=-75mV
    Run Timestamp:       Tue Mar 20 10:59:15 EDT 2012
    Beginning-of-run EPICS data for Run Number 40440 at Tue Mar 20 10:59:30 EDT 2012
    
    
    Run_type=Cosmics
    target_type=empty
    comment_text=threshold scan dE=-75mV E=-75mV
    
    
    ;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) : 2252.94
    Beam Current : -0.000118
    Beam Current (Hall C) : 1.44
    Left arm angle : -0.179
    Left arm momentum : 0.0026618
    Right arm angle : 0.197
    Right arm momentum : 0.00571226
    Left septum current : 0.0420966
    Right septum current : 0
    Fast Raster Ix : 4.7386
    Fast Raster Iy : 4.7386
    Slow Raster Ix : 0
    Slow Raster Iy : 0
    -----
    Hall A current reading : 0
    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 : 0
    IPM1C12.YPOS : 0
    IPM1H05A.XPOS : 0
    IPM1H05A.YPOS : 0
    IPM1H05B.XPOS : 0
    IPM1H05B.YPOS : 0
    -----
    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 : 100
    Laser power Hall A : 0
    Rotating waveplate : 7511
    Fake Half-Wave Plate (8960=OUT) : 13056
    Beam Half-wave plate (off=out) : OUT
    -----
    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 : 48172
    uWave Frequency (Ghz) : 0
    RF Frequency (Mhz) : 106.5
    Magnetic Field (T) : 0
    Magnet Current : 0
    VPT 3He (K) : 1.21983
    VPT 4He (K) : 1.23977
    NMR Area : -10.0061
    Polarization : 33.4162
    -----
    3rd Arm dE Plane HV :
    dE_1L : -1116 dE_1R : -1134
    dE_2L : -1130 dE_2R : -1244
    3rd Arm E Plane HV :
    E_1L : -1384 E_1R : -1396
    E_2L : -1546 E_2R : -1527
    E_3L : -1348 E_3R : -1372
    E_4L : -1470 E_4R : -1421
    -----
    3rd Arm Threshold :
    Threshold for 'dE' is -0.075 V (1926)
    Threshold for 'E' is -0.075 V (1930)