Dressing large-R jet collections with ghost-associated VR track-jets

Giuseppe Callea requested to merge gcallea-master-patch-44079 into master

The aim of this MR is to add the links of ghost associated VR track-jets to large-R jet collections (here only for LCTopo). Having these links is crucial for the Hbb analyses, but other groups might be interested in them.

In the past, we noticed that including them will lead to a negligible size increase.

To do this, we are following the examples from r21.2, where some derivation formats add the links in this way: https://gitlab.cern.ch/atlas/athena/-/blob/21.2/PhysicsAnalysis/DerivationFramework/DerivationFrameworkHiggs/share/HIGG5D1.py#L244

using addVRJets, which is defined here: https://gitlab.cern.ch/atlas/athena/-/blob/21.2/PhysicsAnalysis/DerivationFramework/DerivationFrameworkFlavourTag/python/HbbCommon.py#L217

For this reason, DerivationFrameworkFlavourTag.HbbCommon has to be imported. Please let us know if this is not the right place where to put these links. We might open another MR but for r21.2 with the same purpose.

Many thanks for your help.

Tagging @angianni, @ckato, @jcatmore, @lheinric, @alister

Edited by Giuseppe Callea

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