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Add DaVinci example running over 2024 (sprucing24c2) data with particle refitting, add allPV functor collection

Laurent Dufour requested to merge ld-decay-tree-refitting into 2024-patches

This MR adds the example to the user how to refit their decay tree (by essentially 2 lines). To do this, a sample is needed processed with Moore after the Technical Stop 1 of 2024, which includes the latest event model.

In addition, the tuple made in this MR

  • Has nDownstreamTracks filled in the tuple
  • Adds a new functor collection: allPV, which can also contain the PV uncertainties.

Needed for undrafting:

  • The input DST needs to be placed in the standard DPA eos location (and the evt_max lowered to e.g. 5k).

Goes together with: Rec!3995 (merged) Moore!3622 (merged) LHCb!4637 (merged)

Closes #210 (closed)

@masmith

Edited by Laurent Dufour

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