Einj Messages 464 Reaction score 59 Thread starter Mar 12, 2013 #1 Hi everyone. I have a very silly question. What is the Feynman rule for external legs of spin-zero boson? Is it just to multply by 1? Thank you
Hi everyone. I have a very silly question. What is the Feynman rule for external legs of spin-zero boson? Is it just to multply by 1? Thank you
LayMuon Messages 149 Reaction score 1 Mar 12, 2013 #2 yes. Look in Maggiore "Modern introduction in QFT" or Greiner "Field Quantization".