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ATLAS Preprints

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2019-12-05
22:00
Measurement of the transverse momentum distribution of Drell-Yan lepton pairs in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
This paper describes precision measurements of the transverse momentum $p_\mathrm{T}^{\ell\ell}$ ($\ell=e,\mu$) and of the angular variable $\phi^{*}_{\eta}$ distributions of Drell-Yan lepton pairs in a mass range of 66-116 GeV. [...]
CERN-EP-2019-223. - 2019.
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2019-12-05
18:28
Measurement of the relative $B^{\pm}_{c}/B^{\pm}$ production cross section with the ATLAS detector at $\sqrt{s}=8$ TeV
The total cross section and differential cross sections for the production of $B_{c}^{\pm}$ mesons, times their branching fraction to $J/\psi \pi^{\pm}$, are measured relative to those for the production of $B^{\pm}$ mesons, times their branching fraction to $J/\psi K^{\pm}$. [...]
CERN-EP-2019-194. - 2019.
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2019-11-28
11:01
Searches for electroweak production of supersymmetric particles with compressed mass spectra in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
This paper presents results of searches for electroweak production of supersymmetric particles in models with compressed mass spectra. [...]
arXiv:1911.12606 ; CERN-EP-2019-242. - 2019. - 66 p.
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2019-11-28
10:39
Search for long-lived neutral particles produced in $pp$ collisions at $\sqrt{s} = 13$ TeV decaying into displaced hadronic jets in the ATLAS inner detector and muon spectrometer / ATLAS Collaboration
A search is presented for pair-production of long-lived neutral particles using 33 fb$^{-1}$ of $\sqrt{s} = 13$ TeV proton-proton collision data, collected during 2016 by the ATLAS detector at the LHC. [...]
arXiv:1911.12575 ; CERN-EP-2019-240. - 2019. - 55 p.
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2019-11-23
05:00
Top Quark Mass Measurements in ATLAS and CMS / Castro, Andrea (Bologna U. ; INFN, Bologna)
The ATLAS and CMS Collaborations have performed a variety of measurements of the top quark mass, taking advantage of the abundant production of top quarks at the LHC. [...]
arXiv:1911.09437 ; CMS CR-2019/262. - 6 p.
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2019-11-15
15:58
Search for direct stau production in events with two hadronic $\tau$-leptons in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search for the direct production of the supersymmetric partners of $\tau$-leptons (staus) in final states with two hadronically decaying $\tau$-leptons is presented. [...]
arXiv:1911.06660 ; CERN-EP-2019-191. - 2019. - 43 p.
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2019-11-12
13:46
Measurement of the $Z(\rightarrow\ell^+\ell^-)\gamma$ production cross-section in $pp$ collisions at $\sqrt{s} =13$ TeV with the ATLAS detector / ATLAS Collaboration
The production of a prompt photon in association with a $Z$ boson is studied in proton-proton collisions at a centre-of-mass energy $\sqrt{s} =$ 13 TeV. [...]
arXiv:1911.04813 ; CERN-EP-2019-228. - 2019. - 50 p.
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2019-11-12
13:37
Measurement of the azimuthal anisotropy of charged-particle production in Xe+Xe collisions at $\sqrt{s_{\mathrm{NN}}}=5.44$ TeV with the ATLAS detector / ATLAS Collaboration
This paper describes the measurements of flow harmonics $v_2$-$v_6$ in 3 $\mu\mathrm{b}^{-1}$ of Xe+Xe collisions at $\sqrt{s_{\mathrm{NN}}}=5.44$ TeV performed using the ATLAS detector at the LHC. [...]
arXiv:1911.04812 ; CERN-EP-2019-227. - 2019. - 53 p.
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2019-11-12
09:24
ATLAS data quality operations and performance for 2015-2018 data-taking / ATLAS Collaboration
The ATLAS detector at the Large Hadron Collider reads out particle collision data from over 100 million electronic channels at a rate of approximately $100$ kHz, with a recording rate for physics events of approximately 1 kHz. [...]
arXiv:1911.04632 ; CERN-EP-2019-207. - 2019. - 43 p.
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2019-11-04
09:14
Measurement of differential cross sections for single diffractive dissociation in $\sqrt{s} = 8$ TeV $pp$ collisions using the ATLAS ALFA spectrometer / ATLAS Collaboration
A dedicated sample of Large Hadron Collider proton-proton collision data at centre-of-mass energy $\sqrt{s}=8$ TeV is used to study inclusive single diffractive dissociation, $pp \rightarrow Xp$. [...]
arXiv:1911.00453 ; CERN-EP-2019-190. - 2019. - 34 p.
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