Difference: Brenoorzari (9 vs. 10)

Revision 102019-06-06 - brenoorzari

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  Tried to solve the NLO problem on MadGraph, but my knowledge doesn't allow me to do it. Must also talk to Thiago about it. I've even tried to use what CLASHEP taught me, but it didn't worked because there is something else missing.
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06/06/2019

I've had some problems generating processes at NLO or using access2, but everything seems to be solved. Apparently the macro for analyzing the events is finished (I HOPE SO), and the results i've already got concerning the dark Higgs events are different from the paper results. I need to show everyone this results at the weekly meeting. 300k events of dark Higgs for each of the masses 50 GeV, 70 GeV and 90 GeV were generated using access2, and the ROOT files are there, and also at my folder /Delphes-3.1.4 and are called 300k_*gev.root.

The NLO processes are difficult to generate, and I'm trying to not follow the paper on this, but it seems very hard. The processes at NLO are p p > b b~ vl vl~ [QCD] and p p > b b~ vl l [QCD]. I think that the processes p p > z z [QCD] and p p > z w [QCD] with their decays specified in the madspin card, need to be added by hand, since madgraph at NLO is not giving them in the feynman diagrams. The process p p > b b~ vl vl~ QED<=4 [QCD] gave ALL the Feynman diagrams, but the software couldn't run (apparently there was some problem in the param_card.dat).

 

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