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Can you help me

  1. May 16, 2006 #1
    i am encoutering a problem
    i use helicity method to caculate six photon amplitude in scalar QED but i don't know explicit form of wave fuction QED . And i need a book with title
    " R. Gastmans, Ubiquitous photon: Helicity method for QED and QCD"

    where can i find it?

    thank you
     
  2. jcsd
  3. May 16, 2006 #2
    Last edited by a moderator: Apr 22, 2017
  4. May 17, 2006 #3
    Last edited by a moderator: Apr 22, 2017
  5. May 22, 2006 #4
    thank you for your helping

    thank you very much for your instruction but i don't have money:frown:
     
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