Dear Shi-Chieh, Celine and Michael
Q1. What is the appropriate approach to probe gauge couplings
in a consistent way in inclusive diboson, VBS diboson+jj and triboton production at hadron colliders?
Celine commented that we don't need energy dependence form factor
to preserve unitary for WW production by considering all dimension 6 operators.
However, Michael use VBS WW+jj production as an example to show that we need to
introduce s^hat dependent form factor in order to preserve unitarity.
The TGC limit derived in inclusive WW might not be compared to the TGC limit
derived in VBS WW+jet neither Triboson production.
For practical approaches, we agreed to only introduce Dimension 8 operators for neutral gauge couplings.Q2. Could Oscar give us a summary of the coupling constants with
necessary form factor for the Dimension 6 and Dimension8 operators?
To my understanding, we only introduce Dimension 8 operators for neutral gauge couplings.
Q3. It looks to me VBFNLO, MadGraph5 and Oscar's package all implement the same effective field theory.
Do I understand it correctly that we should be able to reproduce the same calculations
from each generator?
greetings, oscar
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