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    User name A. Deur

    Log entry time 09:49:09 on August26,2003

    Entry number 113590

    Followups:

    keyword=Unusual empty target spectrum

    The y_t spectrum for empty target for kinematics 11.10 (E'=3.204 GeV). looks strange (fig 1). I did not use the cut from the espace kumac in order to see the full spectrum.
    We see a very large contribution from downstream.
    We can compare to a typical run (Fig 2) taken at about the same momentum (2.922 GeV at 4.4 GeV beam energy).
    Maybe the collimator is misplaced.



    FIGURE 1

    FIGURE 2