hello,i using MadGraph Calculated some process to different PDF set members(in the Leading order level),after finished the calculation , I get some Lhe file (for example the number of the pdf set member is 45) now i want to analysis differential cross section to different bin size (for example invariant mass of the top quark 0–400,400–600,600-1100).there are 45 lhe file , I have get root file (45),now i don’t know how to analysis these root file.if i analysis one root file ,i can ,but analysis these file is difficult for me , who encounter such problem before? how can i do ?
if I understand correctly your issue, you may need a TChain built with all the 45 files you are mentioning: see https://root.cern.ch/doc/master/classTChain.html
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