Add cr2 pythia at 13 TeV

Author: njacazio

MC/config/ALICE3/ini/pythia8_pp_ropes1_13tev.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_pp_ropes_13tev.cfg

MC/config/ALICE3/pythia8/generator/pthia8_pp_ropes1_13tev.cfg

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+### Specify beams
+Beams:idA = 2212
+Beams:idB = 2212            
+Beams:eCM = 13000.              ### energy
+    
+Beams:frameType = 1
+ParticleDecays:limitTau0 = on
+ParticleDecays:tau0Max = 10.      ### match alice: 1cm/c = 10.0mm/c
+
+### processes
+SoftQCD:inelastic = on # all inelastic processes
+
+### Ropes settings
+MultiPartonInteractions:pT0Ref = 2.15
+
+BeamRemnants:remnantMode = 1
+BeamRemnants:saturation = 5
+
+ColourReconnection:mode = 2
+ColourReconnection:allowDoubleJunRem = off
+ColourReconnection:m0 = 0.3
+ColourReconnection:allowJunctions = on
+ColourReconnection:junctionCorrection = 1.2
+ColourReconnection:timeDilationMode = 2
+ColourReconnection:timeDilationPar = 0.18
+
+Ropewalk:RopeHadronization = on
+Ropewalk:doShoving = on
+Ropewalk:tInit = 1.5           # Propagation time
+Ropewalk:deltat = 0.05
+Ropewalk:tShove 0.1
+Ropewalk:gAmplitude = 0.        # Set shoving strength to 0 explicitly
+Ropewalk:doFlavour = on
+Ropewalk:r0 = 0.5
+Ropewalk:m0 = 0.2
+Ropewalk:beta = 0.1
+
+### Enabling setting of vertex information.
+PartonVertex:setVertex = on
+PartonVertex:protonRadius = 0.7
+PartonVertex:emissionWidth = 0.1
+
+Random:setSeed = on