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Opened 8 years ago

Last modified 8 years ago

#1071 closed Bug

Pythia8 in Delphes does not hadronize, returns error — at Initial Version

Reported by: Amin Abou Ibrahim Owned by:
Priority: major Milestone:
Component: Delphes code Version: Delphes 3
Keywords: Cc:

Description

Dear Delphes team,

I am trying to generate a Minbias.root file using Pythia8223 in MG5. I have the newest Pythia8 and MG 2.5.2. Using ./DelphesPythia8 cards/converter_card.tcl examples/Pythia8/generatePileUp.cmnd MinBias.root, I am getting this message in the end:

*------- PYTHIA Error and Warning Messages Statistics ----------------------------------------------------------*

| |
| times message |
| |
| 1 Error in Pythia::next: hadronLevel failed; try again |
| 1 Error in StringFragmentation::fragment: stuck in joining |
| 1 Warning in JetMatchingMadgraph:init: Madgraph merging parameters not found |
| 1 Warning in JetMatchingMadgraph:init: No alpsfact |
| 1 Warning in JetMatchingMadgraph:init: No ickkw |
| 1 Warning in JetMatchingMadgraph:init: No maxjetflavor |
| 1 Warning in JetMatchingMadgraph:init: No xqcut |
| 3 Warning in MultipartonInteractions::init: maximum increased |
| 5 Warning in SpaceShower::pT2nextQCD: weight above unity |
| 2 Warning in StringFragmentation::fragmentToJunction: bad convergence junction rest frame |
| |
*------- End PYTHIA Error and Warning Messages Statistics ------------------------------------------------------*

Exiting...

The Minbias.root file is generated but it is not complete. It only has the Events and particle branches in there.
Hope you can help me in that.

Best,
Amin

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