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    User name R. Michaels

    Log entry time 04:39:26 on April 3,2010

    Entry number 315876

    keyword=Lead target in beam

    Put lead target in beam with few nA.
    
    The magnet settings have changed (presumably due to optics changes).
    We scanned the beam a bit up / down / left / right by of order 0.4 mm.
    Runs were 27249 - 27252.  See comments in Start-of-run.  
    Unfortunately I had ps8=2 there, so it biased the results
    (T8 makes it flat by def'n !)
    
    Now run 27256 with VDCs on, etc.  and no T8. Can see we're not
    hitting frame.  Can see Pb FF in X distrib.  Looks ok.
    
    Bob is going home now.
    
    Rupesh, Jon, Ahmed take over
    


    FIGURE 1