1. May 31, 2008 #1

   touqra

   

   Is there a general dependence of some physical quantities for the decay width of any particles?

    

   touqra, May 31, 2008
2. 
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3. May 31, 2008 #2

   vertices

   

   yeah. Its momentum and spin.

    

   vertices, May 31, 2008

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