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Changed sampling of angle for fission to isotropic.

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This commit is contained in:
Paul Romano 2012-07-28 17:37:04 -04:00
parent ae4a0e4b5b
commit 8bb0a756c9
1 changed files with 5 additions and 2 deletions
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7
src/physics.F90
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@ -935,8 +935,11 @@ contains
! Set weight of fission bank site
fission_bank(i) % wgt = ONE/weight
! sample cosine of angle
mu = sample_angle(rxn, E)
! Sample cosine of angle -- fission neutrons are always emitted
! isotropically. Sometimes in ACE data, fission reactions actually have
! an angular distribution listed, but for those that do, it's simply just
! a uniform distribution in mu
mu = TWO * prn() - ONE
! sample between delayed and prompt neutrons
if (prn() < beta) then