Difference: TauPublicResults (22 vs. 23)

Revision 232018-06-20 - LucaFiorini

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The visible mass reconstructed using isolated muons and offline 1-prong and 3-prong τhad−vis candidate passing the medium identification requirement. The Z mass peak is observed in an enriched sample of Z→τ_μ τ_had−vis events from the 2015, 2016 and 2017 dataset in 13 TeV collisions, corresponding to an integrated luminosity of 80 fb-1. These events are collected using a single muon trigger. The τhad−vis energy is calibrated using a Boosted Regression Tree (BRT). The energy calibration, event selections and background estimations are described in ATL-CONF-2017-029. The top (bottom) plot shows the mass distribution before (after) applying the in-situ energy correction obtained from the fit of the visible mass. Only statistical uncertainties are shown.




The visible mass reconstructed using isolated muons and offline 1-prong and 3-prong τhad−vis candidate passing the medium identification requirement. The Z mass peak is observed in an enriched sample of Z→τ_μ τ_had−vis events from the 2017 dataset in 13 TeV collisions, corresponding to an integrated luminosity of 44 fb-1. These events are collected using a single muon trigger. The τhad−vis energy is calibrated using a Boosted Regression Tree (BRT). The energy calibration, event selections and background estimations are described in ATL-CONF-2017-029. The top (bottom) plot shows the mass distribution before (after) applying the in-situ energy correction obtained from the fit of the visible mass. Only statistical uncertainties are shown.



 

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