FAQs for MadGraph5_aMC@NLO
- The effect of the flag nlo_mixed_expansion
- How to select of subset of the loop for the computation
- How to change a default value in the run_card once and for all
- How to generated weighted events according to a function (biased generation)
- How to implement a new dynamical scale choice
- How to use the new functionalities of v3.5.0 for lepton collisions at NLO EW
- How to implement new cuts
- How to select of subset of diagram for LO computation?
- How to solve "PYTHIA Abort from Pythia::Pythia: unmatched version numbers :"
- How to run gridpack in readonly mode
- How are handle small width?
- What is the connection between integration channels and diagrams in MadGraph 5?
- what is "WARNING: Failed to update dependent parameter"
- Different syntax for the same diagram leads to different cross-sections: Why?
- Can I just calculate the amplitudes for a (sub)process and check them point-by-point in phase space points (in fortran/C++/Python)
- How to make a parameter scan.
- aMCatNLOError : Poles do not cancel, run cannot continue
- How to set a limit on the number of cores used for compilation/running
- How to create, load, manipulate and render HwU histograms?
- How to use gridpacks for NLO event generation?
- correct settings on SL5/6 (compilation/gfortran_read_write/lhapdf/... issues)
- Some tests are failing in aMC@NLO runs. What is going on?
- aMC@NLO compilation issues on MAC OS X (only up to v2.1.1)
- How to fix: "Command "generate X X > Y Y Y" interrupted with error: KeyError : '1'
- why production and decay cross-section didn't agree.
- FR Model much slower than build-in MG model. Why and how to fix?
- How to add a cluster support / edit the way jobs are submitted on a supported cluster
- How to generate polarized particles at LO
- How do I exclude intermediate onshell resonances in event generation?
- Where to find FAQ/information for aMC@NLO
- How to script MG5 run?
- Intermediate Boson missing from events in LHE output file
- Meaning of various parameters in the run_card.dat
- Fewer events are produced than asked for
- How to avoid generate_events from opening browsers
- How MadGraph assigns the order (QED/QCD/...) automatically?
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