In situ calibration of large-radius jet energy and mass in 13 TeV proton–proton collisions with the ATLAS detector

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In situ calibration of large-radius jet energy and mass in 13 TeV proton–proton collisions with the ATLAS detector. / Aaboud, M.; Newman, Paul; ATLAS Collaboration.

In: European Physical Journal C, Vol. 79, No. 2, 135, 13.02.2019.

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@article{6612edf20b0b44e49756759dec4fe3e8,
title = "In situ calibration of large-radius jet energy and mass in 13 TeV proton–proton collisions with the ATLAS detector",
abstract = "The response of the ATLAS detector to large-radius jets is measured in situ using 36.2 fb - 1 of s=13 TeV proton–proton collisions provided by the LHC and recorded by the ATLAS experiment during 2015 and 2016. The jet energy scale is measured in events where the jet recoils against a reference object, which can be either a calibrated photon, a reconstructed Z boson, or a system of well-measured small-radius jets. The jet energy resolution and a calibration of forward jets are derived using dijet balance measurements. The jet mass response is measured with two methods: using mass peaks formed by W bosons and top quarks with large transverse momenta and by comparing the jet mass measured using the energy deposited in the calorimeter with that using the momenta of charged-particle tracks. The transverse momentum and mass responses in simulations are found to be about 2–3% higher than in data. This difference is adjusted for with a correction factor. The results of the different methods are combined to yield a calibration over a large range of transverse momenta (p T). The precision of the relative jet energy scale is 1–2% for 200GeV<pT<2TeV, while that of the mass scale is 2–10%. The ratio of the energy resolutions in data and simulation is measured to a precision of 10–15% over the same p T range. ",
keywords = "hep-ex",
author = "M. Aaboud and Paul Newman and {ATLAS Collaboration}",
note = "69 pages in total, author list starting page 53, 32 figures, 5 tables, submitted to EPJC. All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/JETM-2018-02/ Aaboud, M., Aad, G., Abbott, B. et al. Eur. Phys. J. C (2019) 79: 135. https://doi.org/10.1140/epjc/s10052-019-6632-8",
year = "2019",
month = feb,
day = "13",
doi = "10.1140/epjc/s10052-019-6632-8",
language = "English",
volume = "79",
journal = "Eur. Phys. J. C",
issn = "1434-6044",
publisher = "Springer",
number = "2",

}

RIS

TY - JOUR

T1 - In situ calibration of large-radius jet energy and mass in 13 TeV proton–proton collisions with the ATLAS detector

AU - Aaboud, M.

AU - Newman, Paul

AU - ATLAS Collaboration

N1 - 69 pages in total, author list starting page 53, 32 figures, 5 tables, submitted to EPJC. All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/JETM-2018-02/ Aaboud, M., Aad, G., Abbott, B. et al. Eur. Phys. J. C (2019) 79: 135. https://doi.org/10.1140/epjc/s10052-019-6632-8

PY - 2019/2/13

Y1 - 2019/2/13

N2 - The response of the ATLAS detector to large-radius jets is measured in situ using 36.2 fb - 1 of s=13 TeV proton–proton collisions provided by the LHC and recorded by the ATLAS experiment during 2015 and 2016. The jet energy scale is measured in events where the jet recoils against a reference object, which can be either a calibrated photon, a reconstructed Z boson, or a system of well-measured small-radius jets. The jet energy resolution and a calibration of forward jets are derived using dijet balance measurements. The jet mass response is measured with two methods: using mass peaks formed by W bosons and top quarks with large transverse momenta and by comparing the jet mass measured using the energy deposited in the calorimeter with that using the momenta of charged-particle tracks. The transverse momentum and mass responses in simulations are found to be about 2–3% higher than in data. This difference is adjusted for with a correction factor. The results of the different methods are combined to yield a calibration over a large range of transverse momenta (p T). The precision of the relative jet energy scale is 1–2% for 200GeV<pT<2TeV, while that of the mass scale is 2–10%. The ratio of the energy resolutions in data and simulation is measured to a precision of 10–15% over the same p T range.

AB - The response of the ATLAS detector to large-radius jets is measured in situ using 36.2 fb - 1 of s=13 TeV proton–proton collisions provided by the LHC and recorded by the ATLAS experiment during 2015 and 2016. The jet energy scale is measured in events where the jet recoils against a reference object, which can be either a calibrated photon, a reconstructed Z boson, or a system of well-measured small-radius jets. The jet energy resolution and a calibration of forward jets are derived using dijet balance measurements. The jet mass response is measured with two methods: using mass peaks formed by W bosons and top quarks with large transverse momenta and by comparing the jet mass measured using the energy deposited in the calorimeter with that using the momenta of charged-particle tracks. The transverse momentum and mass responses in simulations are found to be about 2–3% higher than in data. This difference is adjusted for with a correction factor. The results of the different methods are combined to yield a calibration over a large range of transverse momenta (p T). The precision of the relative jet energy scale is 1–2% for 200GeV<pT<2TeV, while that of the mass scale is 2–10%. The ratio of the energy resolutions in data and simulation is measured to a precision of 10–15% over the same p T range.

KW - hep-ex

UR - http://www.scopus.com/inward/record.url?scp=85061476087&partnerID=8YFLogxK

U2 - 10.1140/epjc/s10052-019-6632-8

DO - 10.1140/epjc/s10052-019-6632-8

M3 - Article

VL - 79

JO - Eur. Phys. J. C

JF - Eur. Phys. J. C

SN - 1434-6044

IS - 2

M1 - 135

ER -