add generators for nuclei MC with coalescence De Tr He3

Author: ercolessi

MC/config/PWGLF/ini/GeneratorLF_Coalescence_pp536TeV.ini

@@ -0,0 +1,7 @@
+[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_0536tev.cfg
+

MC/config/PWGLF/pythia8/generator/pythia8_inel_0536tev.cfg

@@ -0,0 +1,18 @@
+### beams
+Beams:idA = 2212   # proton
+Beams:idB = 2212   # proton
+Beams:eCM = 5360. # GeV
+
+### processes
+SoftQCD:inelastic = on # all inelastic processes
+
+### decays
+ParticleDecays:limitTau0 = on
+ParticleDecays:tau0Max = 10.
+
+### phase space cuts
+PhaseSpace:pTHatMin = 0.000000
+PhaseSpace:pTHatMax = -1.000000
+
+Random:setSeed = on
+Random:seed = 0