Jet mass reconstruction with the ATLAS Detector in early Run 2 data - INSPIRE

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Jet mass reconstruction with the ATLAS Detector in early Run 2 data

ATLAS

Collaboration

Jul 19, 2016

29 pages

Published: 2016

Report number:

ATLAS-CONF-2016-035,
ATLAS-CONF-2016-035

Experiments:

CERN-LHC-ATLAS,
CERN-LHC-ATLAS

View in:

CERN Document Server

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Abstract: (CDS)

This note presents the details of the ATLAS jet mass reconstruction for groomed large-radius jets. The jet mass scale calibrations are determined from Monte Carlo simulation. An alternative jet mass definition that incorporates tracking information called the track-assisted jet mass is introduced and its performance is compared to the traditional calorimeter-based jet mass definition. Events enriched in boosted

W

,

Z

boson and top quark jets are used to directly compare the jet mass scale and jet mass resolution between data and simulation. This in-situ technique is also extended to constrain the jet energy scale and resolution.

Note:

Preliminary results •
All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/CONFNOTES/ATLAS-CONF-2016-035 •
Preliminary results

p p: scattering
p p: colliding beams
jet: mass
mass: scale
boosted particle
ATLAS
mass resolution
calibration
numerical calculations: Monte Carlo
performance

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