Jet energy scale measurements and their systematic uncertainties in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector

Abstract

Jet energy scale measurements and their systematic uncertainties are reported for jets measured with the ATLAS detector using proton-proton collision data with a center-of-mass energy of $\sqrt{s}=13$ TeV, corresponding to an integrated luminosity of 3.2 fb${}^{-1}$ collected during 2015 at the LHC. Jets are reconstructed from energy deposits forming topological clusters of calorimeter cells, using the anti-$k_t$ algorithm with radius parameter $R=0.4$. Jets are calibrated with a series of simulation-based corrections and in situ techniques. In situ techniques exploit the transverse momentum balance between a jet and a reference object such as a photon, $Z$ boson, or multijet system for jets with $20<p_T<2000$ GeV and pseudorapidities of $|\eta |<4.5$, using both data and simulation. An uncertainty in the jet energy scale of less than 1% is found in the central calorimeter region ($|\eta |<1.2$) for jets with $100<p_T<500$ GeV. An uncertainty of about 4.5% is found for low-$p_T$ jets with $p_T=20$ GeV in the central region, dominated by uncertainties in the corrections for multiple proton-proton interactions. The calibration of forward jets ($|\eta |>0.8$) is derived from dijet $p_T$ balance measurements. For jets of $p_T=80$ GeV, the additional uncertainty for the forward jet calibration reaches its largest value of about 2% in the range $|\eta |>3.5$ and in a narrow slice of $2.2<|\eta |<2.4$.

51 pages in total, author list starting page 35, 15 figures, 1 table, submitted to Phys. Rev. D., all figures including auxilary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/PERF-2016-04/

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• Measurement of colour flow using jet-pull observables in $t\bar{t}$ events with the ATLAS experiment at $\sqrt{s}=13$ TeV
• Search for top squarks decaying to tau sleptons in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Search for squarks and gluinos in final states with hadronically decaying $\tau$-leptons, jets, and missing transverse momentum using $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
• Search for dijet resonances in events with an isolated charged lepton using $\sqrt{s}=13$ TeV proton-proton collision data collected by the ATLAS detector
• Measurements of inclusive and differential cross-sections of combined $t\bar{t}\gamma$ and $tW\gamma$ production in the $e\mu$ channel at 13 TeV with the ATLAS detector
• Search for the $HH\to b\bar{b}b\bar{b}$ process via vector-boson fusion production using proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Strong constraints on jet quenching in centrality-dependent $p$+Pb collisions at 5.02 TeV from ATLAS
• Measurement of the nuclear modification factor of $b$-jets in 5.02 TeV Pb+Pb collisions with the ATLAS detector
• Constraints on Higgs boson properties using $W{W}^{\ast }(\to e\nu \mu \nu )jj$ production in 36.1 fb${}^{-1}$ of $\sqrt{s}$=13 TeV $pp$ collisions with the ATLAS detector
• Measurements of Higgs boson production by gluon-gluon fusion and vector-boson fusion using $H\to W{W}^{\ast }\to e\nu \mu \nu$ decays in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Measurement of the energy asymmetry in $t\bar{t}j$ production at 13 TeV with the ATLAS experiment and interpretation in the SMEFT framework
• Search for flavour-changing neutral-current couplings between the top quark and the photon with the ATLAS detector at $\sqrt{s}=13$ TeV
• Measurement of hadronic event shapes in high-$p_{\text{T}}$ multijet final states at $\sqrt{s}=13$ TeV with the ATLAS detector
• Search for the production of a long-lived neutral particle decaying within the ATLAS hadronic calorimeter in association with a $Z$ boson from $pp$ collisions at $\sqrt{s}=13$ TeV
• Measurements of the suppression and correlations of dijets in Pb+Pb collisions at $\sqrt{s_{{}_{\text{NN}}}}$ = 5.02 TeV
• Search for the charged-lepton-flavor-violating decay $Z\to e\mu$ in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Parametrizing the Detector Response with Neural Networks
• Search for dark matter produced in association with a dark Higgs boson decaying into $W^{\pm }{W}^{\mp }$ or $ZZ$ in fully hadronic final states from $\sqrt{s}=13$ TeV $pp$ collisions recorded with the ATLAS detector
• Search for bottom-squark pair production in $pp$ collision events at $\sqrt{s}=13$ TeV with hadronically decaying $\tau$-leptons, $b$-jets and missing transverse momentum using the ATLAS detector
• Optimizing Observables with Machine Learning for Better Unfolding
• Search for lepton-flavor-violating decays of the $Z$ boson into a $\tau$ lepton and a light lepton with the ATLAS detector
• Observation of electroweak production of two jets and a $Z$-boson pair
• Search for phenomena beyond the Standard Model in events with large $b$-jet multiplicity using the ATLAS detector at the LHC
• Learning Uncertainties the Frequentist Way: Calibration and Correlation in High Energy Physics
• Search for top squarks in events with a Higgs or $Z$ boson using 139 fb${}^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV with the ATLAS detector
• Search for new phenomena in three- or four-lepton events in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Hadron Collider Searches for Diboson Resonances
• Measurements of jet observables sensitive to $b$-quark fragmentation in $t\bar{t}$ events at the LHC with the ATLAS detector
• Search for a light charged Higgs boson in $t\to H^{\pm }b$ decays, with $H^{\pm }\to cs$, in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Search for trilepton resonances from chargino and neutralino pair production in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector
• Search for flavor-changing neutral-current couplings between the top quark and the $Z$ boson with proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Observation of Single-Top-Quark Production in Association with a Photon Using the ATLAS Detector
• Determination of the strong coupling constant from inclusive jet cross section data from multiple experiments
• Search for Higgs boson pair production in association with a vector boson in $pp$ collisions at $\sqrt{s}=$ 13 TeV with the ATLAS detector
• Measurement of isolated-photon plus two-jet production in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Search for excited electrons singly produced in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS experiment at the LHC
• Comparison of fragmentation functions for light-quark- and gluon-dominated jets from $pp$ and Pb+Pb collisions in ATLAS
• Integrated and differential fiducial cross-section measurements for the vector boson fusion production of the Higgs boson in the $H\to W{W}^{\ast }\to e\nu \mu \nu$ decay channel at 13 $\text{TeV}$ with the ATLAS detector
• Flavor and path-length dependence of jet quenching from inclusive jet and γ-jet suppression
• Search for leptoquark pair production decaying into $t{e}^{-}\bar{t}{e}^{+}$ or $t{\mu }^{-}\bar{t}{\mu }^{+}$ in multi-lepton final states in $pp$ collisions at 13 TeV with the ATLAS detector
• Measurements of the suppression and correlations of dijets in Xe+Xe collisions at $\sqrt{s_{NN}}$ = 5.44 TeV
• Evidence for the dimuon decay of the Higgs boson in pp collisions with the ATLAS detector
• Electroweak-QCD interference in hadronic vector bosons at LHC
• Search for cascade decays of charged sleptons and sneutrinos in final states with three leptons and missing transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Search for quantum black hole production in lepton+jet final states using proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
• Search for exotic decays of the Higgs boson into $b\bar{b}$ and missing transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Performance and calibration of quark/gluon-jet taggers using 140 fb${}^{-1}$ of $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Optimizing Higgs factories by modifying the recoil mass
• Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
• Experimental Verification of Two types of Gluon Jets in QCD
• A precise measurement of the jet energy scale derived from single-particle measurements and in situ techniques in proton-proton collisions at $\sqrt{s}=$ 13 TeV with the ATLAS detector
• A self-calibrating, double-ratio method to test tau lepton universality in W boson decays at the LHC
• Search for squarks and gluinos in $pp$ collisions at $\sqrt{s}=13$ TeV and $13.6$ TeV in events with $\tau$-leptons, jets and missing transverse momentum using the ATLAS detector
• Search for emerging jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS experiment
• Measurement of the $t\bar{t}Z$ Production Cross Section in the Final State with Three Charged Leptons using 36.1 fb${}^{-1}$ of $pp$ Collisions at 13 TeV at the ATLAS Detector
• Measurement of the $t\bar{t}$ production cross-section and lepton differential distributions in $e\mu$ dilepton events from $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
• Top squark signal significance enhancement by different Machine Learning Algorithms
• Energy scale and resolution for anti-$k_t$ jets with radius parameters $R=0.2$ and 0.6 measured in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector