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dsigm2.F
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1 C **********************************************************************
2 
3  FUNCTION dsigm2(X)
4 
5  IMPLICIT NONE
6 
7 CAE...Modified version of DSIGMA with a factor 1/(1-XP) is removed
8 C...by a variable transformation. This makes the integration of the
9 C...cross section faster.
10 
11  REAL x,xp,dsigma,dsigm2
12 
13  xp=1.0-exp(x)
14  dsigm2=(1.0-xp)*dsigma(xp)
15 
16  RETURN
17  END