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title: CalcHep CompHep
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permalink: /CalcHep/CompHep/
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---
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# CalcHep CompHep
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[Category:Outputs](/Category:Outputs "wikilink")
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Generate model files for CalcHep and CompHep
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... | ... | @@ -93,7 +90,7 @@ possible combinations of generation indices. This can lead for some models to a |
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### CP Violation
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`CalcHep / CompHep can’t handle complex values in the function or vars file, but only in the Lagrange file. Therefore, all variables are by default assumed to be real, when SARAH writes the model file with default options. This can be changed by setting CPViolation to True. In that case, SARAH splits all parameters, which are not explicitly defined as real, in real and imaginary part:`
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CalcHep / CompHep can’t handle complex values in the function or vars file, but only in the Lagrange file. Therefore, all variables are by default assumed to be real, when SARAH writes the model file with default options. This can be changed by setting CPViolation to True. In that case, SARAH splits all parameters, which are not explicitly defined as real, in real and imaginary part:
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X -> RX + i*IX
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... | ... | |