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MC/PWGEM: add MC files for HFll in OO#2188

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ivorobye merged 16 commits intoAliceO2Group:masterfrom
dsekihat:oohfll
Nov 26, 2025
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MC/PWGEM: add MC files for HFll in OO#2188
ivorobye merged 16 commits intoAliceO2Group:masterfrom
dsekihat:oohfll

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@dsekihat
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@dsekihat dsekihat commented Nov 22, 2025

MC/PWGEM: add MC files for HFll in OO

@dsekihat dsekihat requested a review from a team as a code owner November 22, 2025 21:25
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jackal1-66 commented Nov 24, 2025

Ciao @dsekihat
I think we're hitting the timeout here.
Could you please add #NEV_TEST> 5 at the start of each .ini file you modified?
It would also be useful for the users if you can add a comment to describe what the various configurations are actually doing maybe...

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jackal1-66 commented Nov 26, 2025

Hello @dsekihat, I see an issue in GeneratorHFGapTriggered_BeautyNoForcedDecay_Gap2_OO_electron.ini

[14:01:25][INFO] treating ev 1 part 1 out of 5
[14:01:25][INFO] Sending 500 particles
[14:01:25][INFO] treating ev 1 part 2 out of 5
[14:01:25][INFO] Sending 500 particles
[14:01:25][INFO] treating ev 1 part 3 out of 5
[14:01:25][INFO] Sending 500 particles
[14:01:25][INFO] treating ev 1 part 4 out of 5
[14:01:25][INFO] Sending 115 particles
[14:01:25][INFO] treating ev 1 part 5 out of 5
[14:01:25][INFO] Event generation started 
[14:01:25][INFO] GENEVENT CHANGING STATE TO WAITEVENT
[14:01:25][INFO] Got info that we may shutdown
 PYTHIA Warning in JunctionSplitting::splitJunPairs: parallel junction state not allowed
 PYTHIA Warning in JunctionSplitting::checkColours: not possible to split junctions; making new colours
 PYTHIA Error in StringFragmentation::fragmentToJunction: diquark too close to junction
 PYTHIA Warning in Pythia::forceHadronLevel: hadronLevel failed; try again
 PYTHIA Warning in JunctionSplitting::checkColours: made a gluon colour singlet; redoing colours
 PYTHIA Warning in SimpleSpaceShower::pT2nextQCD: weight above unity
 PYTHIA Warning in JunctionSplitting::checkColours: made a gluon colour singlet; redoing colours
 PYTHIA Warning in JunctionSplitting::splitJunPairs: parallel junction state not allowed
 PYTHIA Warning in JunctionSplitting::checkColours: not possible to split junctions; making new colours
 PYTHIA Error in Pythia::forceHadronLevel: hadronLevel failed; giving up
 PYTHIA Warning in MiniStringFragmentation::ministring2two: random axis needed to break tie
 PYTHIA Error in BeamRemnants::setKinematics: kinematics construction failed after retrying 10 times
 PYTHIA Warning in StringFragmentation::collinearPair: soft massless endpoint encountered in junction system.
 PYTHIA Warning in JunctionSplitting::splitJunPairs: parallel junction state not allowed
 PYTHIA Warning in JunctionSplitting::checkColours: not possible to split junctions; making new colours
 PYTHIA Error in StringFragmentation::fragment: stuck in joining
 PYTHIA Warning in StringFragmentation::collinearPair: JRF finding failure, use CoM instead
 PYTHIA Warning in Angantyr::next: could not setup signal or ND collisions
 PYTHIA Warning in JunctionSplitting::checkColours: made a gluon colour singlet; redoing colours
 PYTHIA Warning in JunctionSplitting::splitJunPairs: parallel junction state not allowed
 PYTHIA Warning in JunctionSplitting::checkColours: not possible to split junctions; making new colours
 PYTHIA Warning in StringFragmentation::finalRegion: random axis needed to break tie
 PYTHIA Error in BeamRemnants::setKinematics: kinematics construction failed after retrying 10 times
 PYTHIA Warning in JunctionSplitting::splitJunPairs: parallel junction state not allowed
 PYTHIA Warning in JunctionSplitting::checkColours: not possible to split junctions; making new colours
 PYTHIA Warning in JunctionSplitting::checkColours: made a gluon colour singlet; redoing colours
 PYTHIA Warning in SimpleSpaceShower::pT2nextQCD: weight above unity
 PYTHIA Warning in PhaseSpace2to2tauyz::finalKin: failed after mass assignment
 PYTHIA Warning in ColourReconnection::addJunctionIndices: skipping junction-junction connection
 PYTHIA Error in SimpleSpaceShower::pT2nearThreshold: stuck in loop
 PYTHIA Warning in MultipartonInteractions::pTnext: weight above unity
 PYTHIA Warning in SimpleSpaceShower::pT2nextQCD: small daughter PDF
 PYTHIA Warning in Pythia::check: energy-momentum not quite conserved
 PYTHIA Warning in SimpleSpaceShower::pT2nextQCD: small daughter PDF
 PYTHIA Warning in MultipartonInteractions::pTnext: weight above unity
 PYTHIA Warning in MultipartonInteractions::pTnext: weight above unity
 PYTHIA Error in SimpleSpaceShower::pT2nearThreshold: stuck in loop
 PYTHIA Warning in SimpleSpaceShower::pT2nextQCD: weight above unity
 PYTHIA Error in SimpleSpaceShower::pT2nearThreshold: stuck in loop
 PYTHIA Warning in Pythia::check: not quite matched particle energy/momentum/mass
 PYTHIA Error in SimpleSpaceShower::pT2nearThreshold: stuck in loop
 PYTHIA Warning in StringFragmentation::perturbedJRF: small junction system, two short legs
 PYTHIA Error in SimpleSpaceShower::pT2nearThreshold: stuck in loop
 PYTHIA Warning in TauDecays::decay: unknown correlated tau production, assuming from unpolarized photon
 PYTHIA Warning in ColourReconnection::addJunctionIndices: skipping junction-junction connection
 PYTHIA Warning in JunctionSplitting::splitJunPairs: parallel junction state not allowed
 PYTHIA Warning in JunctionSplitting::checkColours: not possible to split junctions; making new colours
 PYTHIA Warning in SimpleSpaceShower::pT2nextQCD: weight above unity

There seems to be a problem with the configuration and the simulation gets stuck after the first event. Could you take a look?

@dsekihat
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dsekihat commented Nov 26, 2025

Dear @jackal1-66 , Thank you for looking into this. There was a typo in the ini file. I fixed it. I am sorry to disturb you. Let's see again.

@ivorobye ivorobye merged commit 2fe012d into AliceO2Group:master Nov 26, 2025
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@dsekihat @jackal1-66 @ivorobye