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ATLAS Papers

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2020-09-11
09:28
Optimisation of large-radius jet reconstruction for the ATLAS detector in 13 TeV proton-proton collisions / ATLAS Collaboration
Jet substructure has provided new opportunities for searches and measurements at the LHC. [...]
arXiv:2009.04986 ; CERN-EP-2020-134. - 2020. - 65 p.
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2020-08-24
10:39
Medium-induced modification of Z-tagged charged particle yields in Pb+Pb collisions at 5.02 TeV with the ATLAS detector / ATLAS Collaboration
The yield of charged particles opposite to a $Z$ boson with large transverse momentum ($p_{T}$) is measured in 260 ${pb}^{-1}$ of $pp$ and 1.7 ${nb}^{-1}$ of Pb+Pb collision data at 5.02 TeV per nucleon pair recorded with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2008.09811 ; CERN-EP-2020-148. - 2020. - 28 p.
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2020-08-20
05:49
Search for type-III seesaw heavy leptons in dilepton final states in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for the pair production of heavy leptons as predicted by the type-III seesaw mechanism is presented. [...]
arXiv:2008.07949 ; CERN-EP-2020-130. - 2020. - 41 p.
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2020-08-15
04:20
Search for heavy resonances decaying into a photon and a hadronically decaying Higgs boson in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This Letter presents a search for the production of new heavy resonances decaying into a Higgs boson and a photon using proton-proton collision data at $\sqrt{s}=13$ TeV collected by the ATLAS detector at the LHC. [...]
arXiv:2008.05928 ; CERN-EP-2020-128. - 2020. - 26 p.
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2020-08-14
03:10
Search for new phenomena in final states with large jet multiplicities and missing transverse momentum using $\sqrt{s} = 13~\mathrm{TeV}$ proton-proton collisions recorded by ATLAS at Run-2 of the LHC / ATLAS Collaboration
Results of a search for new particles decaying into eight or more jets and moderate missing transverse momentum are presented. [...]
arXiv:2008.06032 ; CERN-EP-2020-123. - 2020. - 49 p.
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2020-08-14
02:24
Measurement of light-by-light scattering and search for axion-like particles with 2.2 nb$^{-1}$ of Pb+Pb data with the ATLAS detector / ATLAS Collaboration
This paper describes a measurement of light-by-light scattering based on Pb+Pb collision data recorded by the ATLAS experiment during Run 2 of the LHC. [...]
arXiv:2008.05355 ; CERN-EP-2020-135. - 2020. - 44 p.
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2020-08-08
04:34
Measurement of the associated production of a Higgs boson decaying into $b$-quarks with a vector boson at high transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
The associated production of a Higgs boson with a $W$ or $Z$ boson decaying into leptons and where the Higgs boson decays to a $b\bar{b}$ pair is measured in the high vector-boson transverse momentum regime, above 250 GeV, with the ATLAS detector. [...]
arXiv:2008.02508 ; CERN-EP-2020-093. - 2020. - 49 p.
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2020-08-04
04:15
Reconstruction and identification of boosted di-$\tau$ systems in a search for Higgs boson pairs using 13 TeV proton$-$proton collision data in ATLAS / ATLAS Collaboration
In this paper, a novel technique, referred to as the di-$\tau$ tagger, is designed to reconstruct and identify hadronically decaying $\tau^+\tau^-$ pairs with a large Lorentz boost in the ATLAS experiment at the Large Hadron Collider. [...]
arXiv:2007.14811 ; CERN Preprint ID: CERN-EP-2020-118. - 45 p.
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2020-07-30
01:29
Evidence for $t\bar{t} t \bar{t}$ production in the multilepton final state in proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search is presented for four-top-quark production using an integrated luminosity of 139 fb$^{-1}$ of proton$-$proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the LHC. [...]
arXiv:2007.14858 ; CERN-EP-2020-111. - 2020. - 44 p.
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2020-07-29
01:27
Test of the universality of $\tau$ and $\mu$ lepton couplings in $W$-boson decays from $t\bar{t}$ events with the ATLAS detector / ATLAS Collaboration
The Standard Model of particle physics encapsulates our current best understanding of physics at the smallest scales. [...]
arXiv:2007.14040 ; CERN-EP-2020-139. - 2020. - 33 p.
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