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    User name D. Parno

    Log entry time 04:30:06 on February 14, 2009

    Entry number 261078

    This entry is a followup to: 261054


    keyword=Deposited-energy gap in BB shower rows

    The figure shows the energy deposited (horizontal axis) plotted against the row of shower blocks (vertical axis). We see a clear gap around rows 17-22, corresponding to the trigger hole observed earlier.

    The presence of a gap in the energy-deposited data supports Kalyan's conclusion that the gap represents real physics, i.e. a separation between pions and good electrons.

    A copy of this log entry has been emailed to: brads,posik,flay,kalyan

    Figure 1