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ATLAS Preprints

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2018-04-25
16:55
A search for lepton-flavor-violating decays of the $Z$ boson into a $\tau$-lepton and a light lepton with the ATLAS detector
Direct searches for lepton flavor violation in decays of the $Z$ boson with the ATLAS detector at the LHC are presented. [...]
CERN-EP-2018-052. - 2018.
Fulltext - Previous draft version

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2018-04-17
14:27
Search for pair production of Higgs bosons in the $b\bar{b}b\bar{b}$ final state using proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for Higgs boson pair production in the $b\bar{b}b\bar{b}$ final state is carried out with up to 36.1 $\mathrm{fb}^{-1}$ of LHC proton--proton collision data collected at $\sqrt{s} = 13$ TeV with the ATLAS detector in 2015 and 2016. [...]
CERN-EP-2018-029 ; arXiv:1804.06174 ; CERN-EP-2018-029. - 2018. - 50 p.
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2018-04-16
14:21
Hard QCD Measurements at LHC / Pasztor, Gabriella (Eotvos U.) /ATLAS, CMS and LHCB Collaborations
The rich proton-proton collision data of the LHC allow to study QCD processes in a previously unexplored region with ever improving precision. This paper summarises recent results of the ATLAS, CMS and LHCb Collaborations using primarily multi-jet and vector boson plus jet data collected at $\sqrt s$ = 8 and 13 TeV. [...]
CMS-CR-2018-029.- Geneva : CERN, 2018 - 21 p. Fulltext: PDF;
In : The 28th International Symposium on Lepton-Photon Interactions at High Energies, Guangzhou, Guangdong Sheng, China, 7 - 12 Aug 2017

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2018-04-13
10:01
Top physics in ATLAS and CMS / Diez, Carmen (DESY) /ATLAS and CMS Collaborations
A selection of recent results of top quark production performed by the ATLAS and CMS Collaborations at the LHC is presented. The results include measurements of top quark pair production, including inclusive and differential cross sections, as well as cross sections for ${\rm t\bar{t}}$ production in association with additional heavy-quark jets or additional bosons. [...]
CMS-CR-2018-027.- Geneva : CERN, 2018 - 13 p. Fulltext: PDF;
In : Corfu2017: 17th Hellenic School and Workshops on Elementary Particle Physics and Gravity, Corfu, Attiki, Greece, 2 - 28 Sep 2017

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2018-04-10
18:31
Search for low-mass dijet resonances using trigger-level jets with the ATLAS detector in $pp$ collisions at $\sqrt{s}=13$ TeV / ATLAS Collaboration
Searches for dijet resonances with sub-TeV masses using the ATLAS detector at the Large Hadron Collider can be statistically limited by the bandwidth available to inclusive single-jet triggers, whose data-collection rates at low transverse momentum are much lower than the rate from Standard Model multijet production. [...]
CERN-EP-2018-033 ; arXiv:1804.03496 ; CERN-EP-2018-033. - 2018. - 30 p.
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2018-04-10
18:22
Search for R-parity-violating supersymmetric particles in multi-jet final states produced in $p$--$p$ collisions at $\sqrt{s} =$ 13 TeV using the ATLAS detector at the LHC / ATLAS Collaboration
Results of a search for gluino pair production with subsequent R-parity-violating decays to quarks are presented. [...]
CERN-EP-2017-298 ; arXiv:1804.03568 ; CERN-EP-2017-298. - 2018. - 39 p.
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2018-04-10
18:07
Search for supersymmetry in events with four or more leptons in $\sqrt{s}=13$ TeV $pp$ collisions with ATLAS / ATLAS Collaboration
Results from a search for supersymmetry in events with four or more charged leptons (electrons, muons and taus) are presented. [...]
CERN-EP-2017-300 ; arXiv:1804.03602 ; CERN-EP-2017-300. - 2018. - 45 p.
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2018-04-07
08:05
Model-independent constraints on the Abelian $Z'$ couplings within the ATLAS data on the dilepton production processes at $\sqrt{s} =$ 13 TeV / Pevzner, A.O. (Dnepropetrovsk Natl. U.) ; Skalozub, V.V. (Dnepropetrovsk Natl. U.) ; Gulov, A.V. (Dnepropetrovsk Natl. U.) ; Pankov, A.A. (Dubna, JINR ; Minsk, Inst. Nucl. Problems ; Gomel State Tech. U., ICTP)
The study of lepton pair production is a powerful test of the Standard Model (SM) and can be used to search for phenomena beyond the SM. [...]
arXiv:1803.07532. - 6 p.
Fulltext

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2018-04-03
22:54
Search for a heavy Higgs boson decaying into a $Z$ boson and another heavy Higgs boson in the $\ell\ell bb$ final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for a heavy neutral Higgs boson, $A$, decaying into a $Z$ boson and another heavy Higgs boson, $H$, is performed using a data sample corresponding to an integrated luminosity of 36.1 fb$^{-1}$ from proton--proton collisions at $\sqrt{s} = 13$ TeV recorded in 2015 and 2016 by the ATLAS detector at the Large Hadron Collider. [...]
CERN-EP-2018-030 ; arXiv:1804.01126 ; CERN-EP-2018-030. - 2018. - 39 p.
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2018-03-28
18:16
Search for Higgs boson decays into pairs of light (pseudo)scalar particles in the $\gamma\gamma jj$ final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This Letter presents a search for exotic decays of the Higgs boson to a pair of new (pseudo)scalar particles, $H\to aa$, with a mass in the range 20--60 GeV, and where one of the $a$ bosons decays into a pair of photons and the other to a pair of gluons. [...]
CERN-EP-2017-295 ; arXiv:1803.11145. - 2018. - 31 p.
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