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    User name xqian

    Log entry time 22:25:24 on November 13, 2008

    Entry number 248698

    This entry is a followup to: 248696

    keyword=I may interprete wrong

    I guess it should be the other way around. The let is the negative and the other side the positive. Then the pion we saw is the negative pions. Anyway, we can discuss more about it.