Federico Nguyen Università Roma TRE – INFN Roma III May 9 th 2005 May 9 th 2005 Off-Peak...

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Why should we switch off the  ? in the large angle analysis,      [50 o,130 o ], the threshold is dominated by                  sqrt(s) = M     nb (from C. Bini’s analysis, after cuts)    nb (from Phokhara3, after cuts) sqrt(s) = 1 GeV     nb, sqrt(s)= MeV (from SND, PRD66 (2002) , after cuts)