Image talk:Muon-Electron-Decay.png
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hmm this is actually no valid feynman-diagram... the arrows show all in the same direction... --87.78.143.192 (talk) 15:46, 22 May 2008 (UTC)
hmm this is actually no valid feynman-diagram... the arrows show all in the same direction... --87.78.143.192 (talk) 15:46, 22 May 2008 (UTC)