cache the barcodes in Simulation/G4Sim/MCTruth/MCTruth/

Andrii Verbytskyirequested to merge
averbyts/athena:less_barcodes_13 into master

cache the barcodes in simulation in Simulation/G4Sim/MCTruth/MCTruth/

Tag @jchapman

Edited by Andrii Verbytskyi

Merge request reports