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NuReweight

Lots to document here ...

Code Structure

The code is divided into two parts: one that only has a connection to GENIE and the other that knows about ART.

nutools / GENIE interface

The nutools rwgt::GENIEReweight class wraps the GENIE genie::rew::GReWeight.

ART interface

The ReweightAna_module shows how one would find the MCTruth and GTruth structures in the ART record and calculate new weights. It uses a rwgt::NuReweight object to reconstitute a GENIE GHEP record from the ART products MCTruth and GTruth.

ReweightAna_Module::analyze

Older Documentation

Nathan Mayer (former NOvA collaborator) wrote most of this code that interfaces from ART to GENIE. Here are some of his talks on the subject:

http://nova-docdb.fnal.gov/cgi-bin/RetrieveFile?docid=7756&filename=NuMuMeeting7-30.pdf&version=2