How can I get truth energy from Ntuples

Dear ROOT experts,

I have some Ntuples, and i would like to retrieve the truth energy from them in order to calculate a factor which equals the the energy in my MC minus those in truth.

Am wondering if there’s anyway to do that ?


You need to contact the one who created these ntuples (in order to learn if getting the “truth energy” is possible at all and if yes how).

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