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ATLAS Preprints

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2019-03-14
21:53
Search for high-mass dilepton resonances using 139 fb$^{-1}$ of $pp$ collision data collected at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for high-mass dielectron and dimuon resonances in the mass range of 250 GeV to 6 TeV is presented. [...]
CERN-EP-2019-030. - 2019.
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2019-03-12
09:08
Measurement of $VH$, $H\to b\bar{b}$ production as a function of the vector-boson transverse momentum in 13 TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
Cross-sections of associated production of a Higgs boson decaying into bottom-quark pairs and an electroweak gauge boson, $W$ or $Z$, decaying into leptons are measured as a function of the gauge boson transverse momentum [...]
arXiv:1903.04618 ; CERN-EP-2019-019. - 2019. - 35 p.
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2019-03-08
04:52
The Monopix chips: Depleted monolithic active pixel sensors with a column-drain read-out architecture for the ATLAS Inner Tracker upgrade / Caicedo, I. (Bonn U.) ; Barbero, M. (Marseille, CPPM) ; Barrillon, P. (Marseille, CPPM) ; Berdalovic, I. (CERN) ; Bhat, S. (Marseille, CPPM) ; Bespin, C. (Bonn U.) ; Breugnon, P. (Marseille, CPPM) ; Cardella, R. (CERN) ; Chen, Z. (Marseille, CPPM) ; Degerli, Y. (IRFU, Saclay) et al.
Two different depleted monolithic CMOS active pixel sensor (DMAPS) prototypes with a fully synchronous column-drain read-out architecture were designed and tested: LF-Monopix and TJ-Monopix. [...]
arXiv:1902.03679. - 10 p.
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2019-03-07
17:03
Measurement of jet-substructure observables in top quark, $W$ boson and light jet production in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A measurement of jet substructure variables is presented using data collected in 2016 by the ATLAS experiment at the LHC with proton-proton collisions at $\sqrt{s}=13$ TeV. [...]
arXiv:1903.02942 ; CERN-EP-2019-011. - 2019. - 46 p.
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2019-03-06
11:40
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. [...]
arXiv:1903.02209 ; CERN-EP-2019-002. - 2019. - 36 p.
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2019-03-04
17:18
Constraints on mediator-based dark matter and scalar dark energy models using $\sqrt{s}= 13$ TeV $pp$ collision data collected by the ATLAS detector / ATLAS Collaboration
Constraints on selected mediator-based dark matter models and a scalar dark energy model using up to 37 fb$^{-1}$ $\sqrt{s}= 13$ TeV $pp$ collision data collected by the ATLAS detector at the LHC during 2015$-$2016 are summarised in this paper. [...]
arXiv:1903.01400 ; CERN-EP-2018-334. - 2019. - 84 p.
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2019-02-26
21:04
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}$. [...]
arXiv:1902.10077 ; CERN-EP-2018-350. - 2019. - 54 p.
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2019-02-26
16:21
Comparison of fragmentation functions for light-quark- and gluon-dominated jets 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. [...]
arXiv:1902.10007 ; CERN-EP-2019-009. - 2019. - 29 p.
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2019-02-21
16:48
Searches for third-generation scalar leptoquarks in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
Limits are set on the pair production of scalar leptoquarks, where all possible decays of the leptoquark into a quark ($t$, $b$) and a lepton ($\tau$, $\nu$) of the third generation are considered. [...]
arXiv:1902.08103 ; CERN-EP-2019-026. - 2019. - 48 p.
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2019-02-19
13:43
Combinations of single-top-quark production cross-section measurements and $|f_{\rm LV}V_{tb}|$ determinations at $\sqrt{s}=7$ and 8 TeV with the ATLAS and CMS experiments / ATLAS and CMS Collaborations
This paper presents the combinations of single-top-quark production cross-section measurements by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at $\sqrt{s}=7$ and 8 TeV corresponding to integrated luminosities of 1.17 to 5.1 fb$^{-1}$ at $\sqrt{s}=7$ TeV, and 12.2 to 20.3 fb$^{-1}$ at $\sqrt{s}=8$ TeV. [...]
arXiv:1902.07158 ; CERN-EP-2019-005. - 2019. - 81 p.
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