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Calculation of scattering amplitude ratio for two different angles

  1. Sep 30, 2008 #1
    Hi all, since scattering amplitude is given as:
    f(theta) = summation over l(from o to infinity)(2l+1)/k exp(i(phi))sin(phi) Pl(cos theta).But what happen if i want to calculate the ratio of f(theta=0)/f(theta = pi/2).
    Can any one tell me the value of Pl(0).
  2. jcsd
  3. Sep 30, 2008 #2


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