Problem with single-stop (mssm) production
Asked by
Alexis Kalogeropoulos
Hello
I am trying to get some events from a p p > t1 x- process with up to 2 partons. Generating the diagrams works fine, but while generating events I get the error
Survey return zero cross section.
Typical reasons are the following:
1) A massive s-channel particle has a width set to zero.
2) The pdf are zero for at least one of the initial state particles
or you are using maxjetflavor=4 for initial state b:s.
but there is not obvious wrong to me to my cards (in principle, the same param_card and run_card work fine for stop-pair production).
You can find the cards here
http://
Thanks
Alexis
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- Solved by:
- Olivier Mattelaer
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