improve resolution of PV reconstruction and fix reconstructed PV nTracks (!282) · Merge requests · LHCb / Allen

Florian Reiss requested to merge freiss_pv_tdr into allen_tdr Jan 25, 2020

reset sum_weights at the beginning of each iteration to get more reasonable number of nTracks
calculate chi2 w.r.t to the updated vertex position instead of original seed position -> improves resolution, especially for high multiplicity MC PVs
tweak constants
align common constants with baseline at https://gitlab.cern.ch/lhcb/Rec/blob/master/Tr/PatPV/src/TrackBeamLineVertexFinderSoA.cpp#L101
move BeamlinePV constants into separate namespaces
fix some bugs in cleanup step

To do:

Edited Jan 30, 2020 by Daniel Campora Perez

improve resolution of PV reconstruction and fix reconstructed PV nTracks