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-rw-r--r--Source/Particles/ElementaryProcess/Ionization.H2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/Particles/ElementaryProcess/Ionization.H b/Source/Particles/ElementaryProcess/Ionization.H
index bb919550a..c970fb4f9 100644
--- a/Source/Particles/ElementaryProcess/Ionization.H
+++ b/Source/Particles/ElementaryProcess/Ionization.H
@@ -124,7 +124,7 @@ struct IonizationFilterFunc
);
// Compute probability of ionization p
- amrex::Real w_dtau = 1._rt/ ga * m_adk_prefactor[ion_lev] *
+ amrex::Real w_dtau = (E == 0._rt) ? 0._rt : 1._rt/ ga * m_adk_prefactor[ion_lev] *
std::pow(E, m_adk_power[ion_lev]) *
std::exp( m_adk_exp_prefactor[ion_lev]/E );
amrex::Real p = 1._rt - std::exp( - w_dtau );