Update pythia8_hi.cfg

Revert changes to pythia8_hi.cfg

Author: sgaretti

MC/config/common/pythia8/generator/pythia8_hi.cfg

@@ -1,19 +1,15 @@
-### Specify beams
-Beams:idA = 1000822080
-Beams:idB = 1000822080            
-Beams:eCM = 5360.0  #GeV
+### beams
+Beams:idA 1000822080		# Pb
+Beams:idB 1000822080		# Pb
+Beams:eCM 5520. 		# GeV
 
-Beams:frameType = 1
-### decays
-ParticleDecays:limitTau0 = on
-ParticleDecays:tau0Max = 10.      ### match alice: 1cm/c = 10.0mm/c
-
-### Save some CPU at init of jobs
-### To avoid refitting, add the following line to your configuration file:
+### heavy-ion settings (valid for Pb-Pb 5520 only)
 HeavyIon:SigFitNGen = 0
+HeavyIon:SigFitDefPar = 13.88,1.84,0.22,0.0,0.0,0.0,0.0,0.0
+HeavyIon:bWidth = 14.48
 
-### Initialize the Angantyr model to fit the total and semi-inclusive
-### These parameters are typically suitable for sqrt(S_NN)=5TeV
-HeavyIon:SigFitDefPar = 2.15, 17.24, 0.33
-    
-Random:setSeed = on
+### processes (apparently not to be defined)
+
+### decays
+ParticleDecays:limitTau0 on	
+ParticleDecays:tau0Max 10.