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AnalysisTop: Add possibility of separate QGFracFiles for p + Pb and Pb + p HI collision setups

Chris Scheulen requested to merge chscheul/athena:21.2-add_separate_pPb_Pbp_QGFracFiles into 21.2

This MR adds the possibility into AnalysisTop to add separate quark/gluon fraction files for p + Pb and Pb + p heavy-ion collision setups via the JetUncertainties_QGFracFile option as requested in ANALYSISTO-1312. From now on, this option accepts a comma-separated list of two files for these setups in addition to a single file. The comma-separated list should be supplied in the following format:

JetUncertainties_QGFracFile <pPb_QGFracFile>,<Pbp_QGFracFile>

In case of HI-collisions, the run-number check already performed for the p + Pb and Pb + p jet calibration configurations is also extended to these files, so that the correct quark/gluon fraction file is chosen according to the following check:

  • runnumber >= 313063 && runnumber <= 313435: p + Pb setup, use first file from the list
  • runnumber >= 313572 && runnumber <= 314170: Pb + p setup, use second file from the list
  • Neither: Throw error if multiple QGFracFiles are submitted.

In case of a single q/g fraction file, it is used for both setups. Additionally, AnalysisTop throws an error in case an unexpected number of files is supplied for the HI-setups.

This MR addresses ANALYSISTO-1312.

Edited by Chris Scheulen

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