WP G : HM framework and MadGraph in Gaussino

Monday 24 Apr 2023, 16:00 → 17:30 Europe/Zurich

Federico Leo Redi is inviting you to a scheduled Zoom meeting.

Topic: Meeting on porting Hard Processes and MadGraph to Gaussino
Time: Apr 24, 2023 16:00 Zurich

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16:00 → 16:20 Information on HM generators

Speaker: Philip Ilten (University of Cincinnati (US))

Generators at 2018 Computing Workshop

Generators session in 2019 Computing Workshop

Hard Matrix generators interface

DRAFT

Present: Gloria Corti, Adam Davis, Phil Ilten, Michal Kreps, Michal Mazurek, Ruben Pozzi, Federico Redi

The scope of the meeting was to set the scope of the project and how to procede.

• Hard Matrix (HM) generators perform calculations . The event then need to be passed to a so-called showering generators to obtain particles. Particles may then decay. The same showe
• An overview of the steps can be found at 
• In LHCb we use Pythia8 as general purpose/showering generators for most of the samples to be produced. Decay of particles is always done with EvtGen.
• In Gauss (Sim10) we have a package called LbHard (link to gitlab) to interface the HM so that they are all steered in a similar way and pass their ourput to showering generator
  • It was written to support Pythia6 (the Fortran ancestor of Pythia8), Pythia8 and Herwig++ (both in C++, the last has evolved to Herwig7)
  • It was initially written to generalise ad-hoc support that had been done for BcVegPy
• There are dedicated packages for each of the HM generators for specific processes 
  • BcVegPy 
  • GenXicc
  • MadGraph
  • Powheg-box (being deployed, earlier version
  •