gDirectory->Get("electron_Pt") does not work for me

To search a specific histogram in a root file, I tried gDirectory->Get(“electron_Pt”) but this does not work? The electron_Pt is exist in that root file but the command is not able to find it. Please suggest.


Try also the command-line tool rootls. It’s possible that electron_Pt is a branch in a TTree, so you won’t be able to get it with gDirectory->Get().

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