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Bug #22763

NTupleInterface ignores fGPhaseSpace member of simb::GTruth

Added by Steven Gardiner 6 months ago.

Status:
New
Priority:
Normal
Assignee:
-
Target version:
-
Start date:
06/18/2019
Due date:
% Done:

0%

Estimated time:
Duration:

Description

When reconstructing GTruth objects from an analysis TTree, the NTupleInterface used by TreeReader (see ubana/TreeReader/NTupleInterface.cxx) fails to initialize the fGPhaseSpace data member. This leads to crashes when reweighting CCQE events produced with GENIE v3.0.4 (Reweight 1.0.2). Hard-coded assumptions about the correct phase space were recently removed from the CCQE reweighting code in favor of extracting that information from the event record. The NTupleInterface class should be updated to provide this information to Reweight.



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