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    User name Armstrong

    Log entry time 13:11:56 on July17,2005

    Entry number 148334

    keyword=Target cell parameters

     I have updated the target cell parameters in the Loop 1 High Power Heater for 
    what I believe the correct parameters are for the dE/dx and density for 
    4He under present conditions. This will affect the PID loop for 
    beanm current compensation using the high power heater. The dE/dx is in 
    MeV/(g/cm2); multiplying
    this by 20 cm and the density gives W/µA.
    One gets the screen shown below by selecting "Cell Parameters" in the 
    Loop 1 High Power Heater GUI. 

    FIGURE 1