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Add coalescence-based deuteron production generator #2535

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Merged
njacazio merged 4 commits into from
Nov 4, 2026
Merged

Add coalescence-based deuteron production generator #2535

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8da3ffb
"Update Pythia8 config for 136 TeV"
Cristian-Moscatelli Oct 29, 2026
8ef731e
Fix file path for GeneratorLF_Coalescence_pp1360TeV.ini
Cristian-Moscatelli Nov 4, 2026
11ace09
Update script to use new coalescence generator
Cristian-Moscatelli Nov 4, 2026
bb1fabd
Specified test script
Cristian-Moscatelli Nov 4, 2026
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7 changes: 7 additions & 0 deletions MC/config/PWGLF/ini/GeneratorLF_Coalescence_pp1360TeV.ini
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#---> GeneratorLF_Coalescence_pp536TeV
[GeneratorExternal]
fileName = ${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_coalescence.C
funcName = generateCoalescence({1000010020, 1000010030, 1000020030}, 1, 0.239)

[GeneratorPythia8]
config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg
29 changes: 29 additions & 0 deletions MC/run/PWGLF/run_coalescence_deuteron_pp_1360TeV.sh
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#!/bin/bash

#
# A example workflow MC->RECO->AOD for a simple pp min bias
# production, with the LF coalescence generator (GeneratorLF_Coalescence_pp1360TeV.ini)

# make sure O2DPG + O2 is loaded
[ ! "${O2DPG_ROOT}" ] && echo "Error: This needs O2DPG loaded" && exit 1
[ ! "${O2_ROOT}" ] && echo "Error: This needs O2 loaded" && exit 1


# ----------- START ACTUAL JOB -----------------------------

NWORKERS=${NWORKERS:-8}
MODULES="--skipModules ZDC"
SIMENGINE=${SIMENGINE:-TGeant4}
NSIGEVENTS=${NSIGEVENTS:-1}
NTIMEFRAMES=${NTIMEFRAMES:-1}
INTRATE=${INTRATE:-500000}
SYSTEM=${SYSTEM:-pp}
ENERGY=${ENERGY:-13600}
[[ ${SPLITID} != "" ]] && SEED="-seed ${SPLITID}" || SEED=""

# create workflow
${O2DPG_ROOT}/MC/bin/o2dpg_sim_workflow.py -eCM ${ENERGY} -col ${SYSTEM} -gen external -j ${NWORKERS} -ns ${NSIGEVENTS} -tf ${NTIMEFRAMES} -interactionRate ${INTRATE} -confKey "Diamond.width[0]=0.005;Diamond.width[1]=0.005;Diamond.width[2]=6." -e ${SIMENGINE} ${SEED} \
-ini $O2DPG_ROOT/MC/config/PWGLF/ini/GeneratorLF_Coalescence_pp1360TeV.ini

# run workflow
${O2DPG_ROOT}/MC/bin/o2_dpg_workflow_runner.py -f workflow.json -tt aod --cpu-limit 32
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