Top quark production from heavy ion collisions Installation cmsrel CMSSW_8_0_28 cd CMSSW_8_0_28/src/ cmsenv git clone [email protected]:pfs/TopFromHeavyIons.git UserCode/TopFromHeavyIons scram b -j 9 cd UserCode/TopFromHeavyIons/ Sample production See https://twiki.cern.ch/twiki/bin/view/CMS/HiTtBarPPb8TeV#Simulation