From 455478e1bd4f76a8effab5e3988c57a2a4009c14 Mon Sep 17 00:00:00 2001 From: Raphaelle Bailhache Date: Tue, 20 Oct 2026 09:46:06 +0200 Subject: [PATCH 1/3] Add Pb--Pb collisions at 5.02 TeV --- MC/config/ALICE3/ini/pythia8_PbPb_502tev.ini | 9 +++++++++ .../ALICE3/ini/tests/pythia8_PbPb_502tev.C | 8 ++++++++ .../pythia8/generator/pythia8_PbPb_502tev.cfg | 17 +++++++++++++++++ 3 files changed, 34 insertions(+) create mode 100644 MC/config/ALICE3/ini/pythia8_PbPb_502tev.ini create mode 100644 MC/config/ALICE3/ini/tests/pythia8_PbPb_502tev.C create mode 100644 MC/config/ALICE3/pythia8/generator/pythia8_PbPb_502tev.cfg diff --git a/MC/config/ALICE3/ini/pythia8_PbPb_502tev.ini b/MC/config/ALICE3/ini/pythia8_PbPb_502tev.ini new file mode 100644 index 000000000..af29b4299 --- /dev/null +++ b/MC/config/ALICE3/ini/pythia8_PbPb_502tev.ini @@ -0,0 +1,9 @@ +[Diamond] +width[2]=6.0 + +[GeneratorExternal] +fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/ALICE3/pythia8/generator_pythia8_ALICE3.C +funcName=generator_pythia8_ALICE3() + +[GeneratorPythia8] +config=${O2DPG_MC_CONFIG_ROOT}/MC/config/ALICE3/pythia8/generator/pythia8_PbPb_502tev.cfg diff --git a/MC/config/ALICE3/ini/tests/pythia8_PbPb_502tev.C b/MC/config/ALICE3/ini/tests/pythia8_PbPb_502tev.C new file mode 100644 index 000000000..0676e4c22 --- /dev/null +++ b/MC/config/ALICE3/ini/tests/pythia8_PbPb_502tev.C @@ -0,0 +1,8 @@ +int External() { + return 0; +} + +int pythia8() +{ + return External(); +} \ No newline at end of file diff --git a/MC/config/ALICE3/pythia8/generator/pythia8_PbPb_502tev.cfg b/MC/config/ALICE3/pythia8/generator/pythia8_PbPb_502tev.cfg new file mode 100644 index 000000000..5d0843644 --- /dev/null +++ b/MC/config/ALICE3/pythia8/generator/pythia8_PbPb_502tev.cfg @@ -0,0 +1,17 @@ +### Specify beams +Beams:idA = 1000822080 +Beams:idB = 1000822080 +Beams:eCM = 5020.0 ### energy + +Beams:frameType = 1 +ParticleDecays:limitTau0 = on +ParticleDecays:tau0Max = 10. ### match alice: 1cm/c = 10.0mm/c + +### Initialize the Angantyr model to fit the total and semi-includive +### cross sections in Pythia within some tolerance. +HeavyIon:SigFitErr = 0.02,0.02,0.1,0.05,0.05,0.0,0.1,0.0 + +### These parameters are typicall suitable for sqrt(S_NN)=5TeV +HeavyIon:SigFitDefPar = 17.24,2.15,0.33,0.0,0.0,0.0,0.0,0.0 + +Random:setSeed = on From d63eef70f70806cb561ac7b0128dc0d6e0cc8c6c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicol=C3=B2=20Jacazio?= Date: Tue, 20 Oct 2026 09:52:19 +0200 Subject: [PATCH 2/3] Update pythia8_PbPb_502tev.ini for new configuration --- MC/config/ALICE3/ini/pythia8_PbPb_502tev.ini | 1 + 1 file changed, 1 insertion(+) diff --git a/MC/config/ALICE3/ini/pythia8_PbPb_502tev.ini b/MC/config/ALICE3/ini/pythia8_PbPb_502tev.ini index af29b4299..8a8641bdf 100644 --- a/MC/config/ALICE3/ini/pythia8_PbPb_502tev.ini +++ b/MC/config/ALICE3/ini/pythia8_PbPb_502tev.ini @@ -1,3 +1,4 @@ +#---> pythia8_PbPb_536tev [Diamond] width[2]=6.0 From b34d90db4b33b6b06860748424f44681dac8e129 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nicol=C3=B2=20Jacazio?= Date: Tue, 20 Oct 2026 09:53:02 +0200 Subject: [PATCH 3/3] Delete MC/config/ALICE3/ini/tests/pythia8_PbPb_502tev.C --- MC/config/ALICE3/ini/tests/pythia8_PbPb_502tev.C | 8 -------- 1 file changed, 8 deletions(-) delete mode 100644 MC/config/ALICE3/ini/tests/pythia8_PbPb_502tev.C diff --git a/MC/config/ALICE3/ini/tests/pythia8_PbPb_502tev.C b/MC/config/ALICE3/ini/tests/pythia8_PbPb_502tev.C deleted file mode 100644 index 0676e4c22..000000000 --- a/MC/config/ALICE3/ini/tests/pythia8_PbPb_502tev.C +++ /dev/null @@ -1,8 +0,0 @@ -int External() { - return 0; -} - -int pythia8() -{ - return External(); -} \ No newline at end of file