• Question: I know that a positive kaon decays into three pions. Two positive pions and one negative pion, but what does a negative pion decay into? The negative pion consists of an up anti-quark and a down quark, but I can't work it out?

    Asked by KaonicDEcay to Angela, Claire, Ian, Robert, Sarah on 13 Nov 2014.
    • Photo: Angela Stokes

      Angela Stokes answered on 13 Nov 2014:


      Hi This isn’t my area but I thought that charged pions all decayed into muons and neutral pions into gamma rays. don’t quote me, it isn’t my area!
      Perhaps one of my fellow scientists can help you – otherwise I think a physicist is your best bet.
      Good luck!

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