Les Houches
2023 Session
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- Use of wiki pages and slack. Wifi access/set-up.
- Important info about bus, lodging, facilities.
- Bulletins.
Wikis of Previous sessions
Les Houches Themes
(Lyrics and Music)
(Lyrics and Music)
This is an old revision of the document!
Proposed updates for HepMC event record
There is a need to store the names and version numbers of all generators used in producing an event/
“name” “version” (for generators)
vertex applications:
jets from UE –> MPI vertices hard vertex –> PDF reweighting parton shower –> g→bb splitting probability; ME/PS matching; lepton dressing hadronisation –> strip out & redo. BEC. decay chains pre-hadronisation W decay –> mass optimisation post-hadronisation particle decay –> vertexing etc
genvertex.ID()
0 – undefined (no information) 1 – ME vertex (ie PDF) 2 – secondary partonic scatters 3 – hard decay (prehadronisation) 4 – parton shower (including QED radiation) 5 – primary hadron formation 6 – hadron, tau and muon decays
10-99 Generator specific
NB any shower after a hadronisation is ignored, and the hadrons from it are flagged as being produced in a hadron decay.
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“MUF* MUR* 10801 20123” (last number is the PDF ID)
names for each weight.