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1.
Operation of the ATLAS trigger system in Run 2 / ATLAS Collaboration
The ATLAS experiment at the Large Hadron Collider employs a two-level trigger system to record data at an average rate of 1 kHz from physics collisions, starting from an initial bunch crossing rate of 40 MHz. During the LHC Run 2 (2015$-$2018), the ATLAS trigger system operated successfully with excellent performance and flexibility by adapting to the various run conditions encountered and has been vital for the ATLAS Run-2 physics programme. [...]
arXiv:2007.12539; CERN-EP-2020-109.- Geneva : CERN, 2020-10-02 - 60 p. - Published in : JINST 15 (2020) P10004 Fulltext: PDF; Fulltext from publisher: PDF; External link: Previous draft version
2.
Determination of jet calibration and energy resolution in proton-proton collisions at $\sqrt{s}$ = 8 TeV using the ATLAS detector / ATLAS Collaboration
The jet energy scale, jet energy resolution, and their systematic uncertainties are measured for jets reconstructed with the ATLAS detector in 2012 using proton-proton data produced at a centre-of-mass energy of 8 TeV with an integrated luminosity of 20 fb$^{-1}$. Jets are reconstructed from clusters of energy depositions in the ATLAS calorimeters using the anti-$k_t$ algorithm. [...]
arXiv:1910.04482; CERN-EP-2019-057.- Geneva : CERN, 2020 - 81 p. - Published in : Eur. Phys. J. C 80 (2020) 1104 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; External link: Previous draft version
3.
Observation of electroweak production of a same-sign $W$ boson pair in association with two jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This Letter presents the observation and measurement of electroweak production of a same-sign $W$ boson pair in association with two jets using 36.1 fb$^{-1}$ of proton-proton collision data recorded at a center-of-mass energy of $\sqrt{s}=13$ TeV by the ATLAS detector at the Large Hadron Collider. The analysis is performed in the detector fiducial phase-space region, defined by the presence of two same-sign leptons, electron or muon, and at least two jets with a large invariant mass and rapidity difference. [...]
arXiv:1906.03203; CERN-EP-2019-008.- 2019-10-16 - 21 p. - Published in : Phys. Rev. Lett. 123 (2019) 161801 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF; External link: Previous draft version
4.
Measurement of prompt photon production in $\sqrt{s_\mathrm{NN}} = 8.16$ TeV $p$+Pb collisions with ATLAS / ATLAS Collaboration
The inclusive production rates of isolated, prompt photons in $p$+Pb collisions at $\sqrt{s_\mathrm{NN}} = 8.16$ TeV are studied with the ATLAS detector at the Large Hadron Collider using a dataset with an integrated luminosity of 165 nb$^{-1}$ recorded in 2016. The cross-section and nuclear modification factor $R_{p\mathrm{Pb}}$ are measured as a function of photon transverse energy from 20 GeV to 550 GeV and in three nucleon-nucleon centre-of-mass pseudorapidity regions, $(-2.83,-2.02)$, $(-1.84,0.91)$, and $(1.09,1.90)$. [...]
arXiv:1903.02209; CERN-EP-2019-002.- Geneva : CERN, 2019-09-10 - 37 p. - Published in : Phys. Lett. B 796 (2019) 230 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
5.
Search for heavy particles decaying into a top-quark pair in the fully hadronic final state in $pp$ collisions at $\sqrt{s} =13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for new particles decaying into a pair of top quarks is performed using proton-proton collision data recorded with the ATLAS detector at the Large Hadron Collider at a center-of-mass energy of $\sqrt{s} = $13 TeV corresponding to an integrated luminosity of 36.1 fb$^{-1}$. Events consistent with top-quark pair production and the fully hadronic decay mode of the top quarks are selected by requiring multiple high transverse momentum jets including those containing $b$-hadrons. [...]
arXiv:1902.10077; CERN-EP-2018-350.- Geneva : CERN, 2019-05-15 - 38 p. - Published in : Phys. Rev. D 99 (2019) 092004 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF; External link: Previous draft version
6.
Comparison of Fragmentation Functions for Jets Dominated by Light Quarks and Gluons from $pp$ and Pb+Pb Collisions in ATLAS / ATLAS Collaboration
Charged-particle fragmentation functions for jets azimuthally balanced by a high-transverse-momentum, prompt, isolated photon are measured in $25$ pb$^{-1}$ of $pp$ and $0.49$ nb$^{-1}$ of Pb+Pb collision data at $5.02$ TeV per nucleon pair recorded with the ATLAS detector at the Large Hadron Collider. The measurements are compared to predictions of Monte Carlo generators and to measurements of inclusively selected jets. [...]
arXiv:1902.10007; CERN-EP-2019-009.- Geneva : CERN, 2019-07-23 - 21 p. - Published in : Phys. Rev. Lett. 123 (2019) 042001 Fulltext: PDF; Fulltext from Publisher: PDF; External link: Previous draft version
7.
Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector / ATLAS Collaboration
A measurement of the four-lepton invariant mass spectrum is made with the ATLAS detector, using an integrated luminosity of 36.1 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}$ = 13 TeV delivered by the Large Hadron Collider. The differential cross-section is measured for events containing two same-flavour opposite-sign lepton pairs. [...]
arXiv:1902.05892; CERN-EP-2018-318.- Geneva : CERN, 2019-04-05 - 51 p. - Published in : JHEP 04 (2019) 048 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; External link: Rivet analyses reference
8.
Measurement of $W^{\pm}Z$ production cross sections and gauge boson polarisation in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents measurements of $W^{\pm}Z$ production cross sections in $pp$ collisions at a centre-of-mass energy of 13 TeV. The data were collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider, and correspond to an integrated luminosity of 36.1 fb$^{-1}$. [...]
arXiv:1902.05759; CERN-EP-2018-327.- Geneva : CERN, 2019-06-22 - 51 p. - Published in : Eur. Phys. J. C 79 (2019) 535 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
9.
Electron reconstruction and identification in the ATLAS experiment using the 2015 and 2016 LHC proton-proton collision data at $\sqrt{s} = 13$ TeV / ATLAS Collaboration
Algorithms used for the reconstruction and identification of electrons in the central region of the ATLAS detector at the Large Hadron Collider (LHC) are presented in this paper; these algorithms are used in ATLAS physics analyses that involve electrons in the final state and which are based on the 2015 and 2016 proton-proton collision data produced by the LHC at $\sqrt{s} = 13$ TeV. The performance of the electron reconstruction, identification, isolation, and charge identification algorithms is evaluated in data and in simulated samples using electrons from $Z\rightarrow ee$ and $J/\psi\rightarrow ee$ decays. [...]
arXiv:1902.04655; CERN-EP-2018-273.- Geneva : CERN, 2019-08-03 - 40 p. - Published in : Eur. Phys. J. C 79 (2019) 639 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; External link: Previous draft version
10.
Search for heavy charged long-lived particles in the ATLAS detector in 36.1 fb$^{-1}$ of proton-proton collision data at $\sqrt{s} = 13$ TeV / ATLAS Collaboration
A search for heavy charged long-lived particles is performed using a data sample of 36.1 fb$^{-1}$ of proton-proton collisions at $\sqrt{s} = 13$ TeV collected by the ATLAS experiment at the Large Hadron Collider. The search is based on observables related to ionization energy loss and time of flight, which are sensitive to the velocity of heavy charged particles traveling significantly slower than the speed of light. [...]
arXiv:1902.01636; CERN-EP-2018-339.- Geneva : CERN, 2019-05-28 - 34 p. - Published in : Phys. Rev. D 99 (2019) 092007 Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF; External link: Previous draft version

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