Name: rolf_at_HIDDEN-E-MAIL Date: 12/09/04-12:09:19 AM Z

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• In reply to: Alexander Artamonov (IHEP, Protvino, Russia): “How to produce a polarization sum from a polarization vector by FeynCalc?”
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HiÈبplease do something like¨Ø¨aØSpinor¸p4Èm4Ø.DiracMatrix¸5Ø.Spinor¸p2Èm2Ø.بFourVector¸2*p3-2*p1ÈmuØببca Ø ComplexConjugate¸aØ ø. mu -è nuبببFactor2¸Contract¸FermionSpinSum¸a*caØ*ب PolarizationSum¸muÈ nuÈ p1ØØ ø. ب DiracTrace ¨è ˆTr¸Calc¸81ØØ h ˜ØببˆI used to have a construct (ComplexIndex(È but I think بFrederik talked me out of it …˜.ببRegardsÈ and sorry for the late answerÈببRolf Mertig

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• Next message: Rolf Mertig: “Re: [Maxima] status of gamalg”
• Previous message: rolf_at_HIDDEN-E-MAIL: “Re: change of metric signature?”
• In reply to: Alexander Artamonov (IHEP, Protvino, Russia): “How to produce a polarization sum from a polarization vector by FeynCalc?”
• Next in thread: jyoti saini: “Re: How to produce a polarization sum from a polarization vector by FeynCalc?”

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