CalcHEP

feynrules write calchep model file problem

Asked by starterism

when i use feynrules to output a calchep model file, all the complex parameters are forced to be real. Like below

 Warning: Complex piece found in parameter ***. Setting it equal to its real part.

i want to know what should i do to avoid this?

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Neil Christensen
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Best Neil Christensen (neil-christensen-qft) said : 		#1

Rewrite the model to make all the parameters real and put all the i's explicitly in the Lagrangian.

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starterism (phywxh) said : 		#2

Thank you so much!