Issue when generating one loop gluon fusion to higgs
Hello,
I am working with a 2HDM trying to generate g g > h2 > h1 h1. I am using the 2HDM_NLO UFO file that is available here http://
import model 2HDM_NLO
generate g g > h2 > h1 h1 [QCD]
I get the following error:
INFO: Checking for minimal orders which gives processes.
INFO: Please specify coupling orders to bypass this step.
INFO: Trying coupling order WEIGHTED<=4: WEIGTHED IS QCD+2*QED
INFO: Trying coupling order WEIGHTED<=5: WEIGTHED IS QCD+2*QED
INFO: Trying coupling order WEIGHTED<=6: WEIGTHED IS QCD+2*QED
INFO: Trying coupling order WEIGHTED<=7: WEIGTHED IS QCD+2*QED
Error detected in "generate g g > h2 > h1 h1 [QCD]"
write debug file MG5_debug
If you need help with this issue please contact us on https:/
str :
Automatic process-order determination lead to negative constraints:
QED: 6, QCD: -4
Please specify the coupling orders from the command line.
I also tried generating g g > h using the loop_sm UFO. I get a similar error:
import model loop_sm
MG5_aMC>generate g g > h [QCD]
INFO: Checking for minimal orders which gives processes.
INFO: Please specify coupling orders to bypass this step.
INFO: Trying coupling order WEIGHTED<=2: WEIGTHED IS QCD+2*QED
INFO: Trying coupling order WEIGHTED<=3: WEIGTHED IS QCD+2*QED
Error detected in "generate g g > h [QCD]"
write debug file MG5_debug
If you need help with this issue please contact us on https:/
str :
Automatic process-order determination lead to negative constraints:
QED: 3, QCD: -2
Please specify the coupling orders from the command line.
I am using MG5_aMC_v3_4_2.
Is there a way to get madgraph to perform this calculation?
Thank you,
Artemis
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