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ATLAS Preprints

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2018-06-22
17:10
Observation of centrality-dependent acoplanarity for muon pairs produced via two-photon scattering in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ATLAS detector
This Letter presents a measurement of $\gamma \gamma \rightarrow \mu^{+} \mu^{-}$ production in Pb+Pb collisions recorded by the ATLAS detector at the Large Hadron Collider at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with an integrated luminosity of 0.49 nb$^{-1}$. [...]
CERN-EP-2018-100. - 2018.
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2018-06-20
08:56
Search for the Higgs boson produced in association with a vector boson and decaying into two spin-zero particles in the $H \rightarrow aa \rightarrow 4b$ channel in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for exotic decays of the Higgs boson into a pair of spin-zero particles, $H \rightarrow aa$, where the $a$-boson decays into $b$-quarks promptly or with a mean proper lifetime $c\tau_a$ up to 6 mm and has a mass in the range of $20-60$ GeV, is presented. [...]
CERN-EP-2018-128 ; CERN-EP-2018-128 ; arXiv:1806.07355. - 2018. - 48 p, 48 p.
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2018-06-19
13:54
Characterization of a depleted monolithic pixel sensors in 150 nm CMOS technology for the ATLAS Inner Tracker upgrade / Iguaz, F.J. (AIM, Saclay) ; Balli, F. (AIM, Saclay) ; Barbero, M. (Marseille, CPPM) ; Bhat, S. (Marseille, CPPM) ; Breugnon, P. (Marseille, CPPM) ; Caicedo, I. (Bonn U.) ; Chen, Z. (Marseille, CPPM) ; Degerli, Y. (AIM, Saclay) ; Godiot, S. (Marseille, CPPM) ; Guilloux, F. (AIM, Saclay) et al.
This work presents a depleted monolithic active pixel sensor (DMAPS) prototype manufactured in the LFoundry 150\,nm CMOS process. [...]
arXiv:1806.04400. - 2 p.
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2018-06-13
10:12
Probing the quantum interference between singly and doubly resonant top-quark production in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This Letter presents a normalized differential cross-section measurement in a fiducial phase-space region where interference effects between top-quark pair production and associated production of a single top quark with a $W$ boson and a $b$-quark are significant. [...]
CERN-EP-2018-087 ; CERN-EP-2018-087 ; arXiv:1806.04667. - 2018. - 29 p, 29 p.
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2018-06-11
15:40
Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector / ATLAS Collaboration
A search for pair production of the supersymmetric partners of the Higgs boson (higgsinos $\tilde{H}$) in gauge-mediated scenarios is reported. [...]
CERN-EP-2018-050 ; arXiv:1806.04030 ; CERN-EP-2018-050. - 2018. - 49 p, 49 p.
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2018-06-07
11:14
Higgs physics with hadronic signatures at ATLAS and CMS / Schroder, Matthias (KIT, Karlsruhe, EKP) /ATLAS and CMS Collaborations
Precise measurement of the properties of the Higgs boson is of paramount interest in order to verify the standard model nature of the Higgs sector or discover new physics. Crucial information is obtained from investigation of hadronic final states, which offer, for example, a direct probe of the couplings to top or bottom quarks. [...]
CMS-CR-2018-046.- Geneva : CERN, 2018 - 5 p. Fulltext: PDF;
In : 53rd Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 17 - 24 Mar 2018

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2018-06-07
03:22
Search for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for electroweak production of supersymmetric particles is performed in two-lepton and three-lepton final states using recursive jigsaw reconstruction. [...]
CERN-EP-2018-113 ; arXiv:1806.02293 ; CERN-EP-2018-113. - 2018. - 59 p.
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2018-06-07
03:01
Operation and performance of the ATLAS Tile Calorimeter in Run 1 / ATLAS Collaboration
The Tile Calorimeter is the hadron calorimeter covering the central region of the ATLAS experiment at the Large Hadron Collider. [...]
CERN-EP-2018-062 ; arXiv:1806.02129 ; CERN-EP-2018-062. - 2018. - 69 p.
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2018-06-06
10:51
Search for pair production of heavy vector-like quarks decaying into high-$p_{\rm T}$ $W$ bosons and top quarks in the lepton-plus-jets final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is presented for the pair production of heavy vector-like $B$ quarks, primarily targeting $B$ quark decays into a $W$ boson and a top quark. [...]
CERN-EP-2018-088 ; arXiv:1806.01762 ; CERN-EP-2018-088. - 2018. - 41 p.
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2018-06-05
14:53
Search for resonant $WZ$ production in the fully leptonic final state in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for a heavy resonance decaying into $WZ$ in the fully leptonic channel (electrons and muons) is performed. [...]
CERN-EP-2018-077 ; arXiv:1806.01532 ; CERN-EP-2018-077. - 2018. - 36 p.
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