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ATLAS Preprints

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2019-03-24
15:16
Measurement of the production cross section for a Higgs boson in association with a vector boson in the $H \rightarrow WW^{\ast} \rightarrow \ell\nu\ell\nu$ channel in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A measurement of the Higgs boson production cross sections via associated $WH$ and $ZH$ production using $H \rightarrow WW^{\ast} \rightarrow \ell\nu\ell\nu$ decays, where $\ell$ stands for either an electron or a muon, is presented. [...]
CERN-EP-2019-038. - 2019.
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2019-03-20
05:04
Measurements of the top-quark mass with the ATLAS detector / Barillari, Teresa (Munich, Max Planck Inst.)
The top-quark mass is one of the fundamental parameters of the Standard Model of particle physics. [...]
arXiv:1903.00576. - 4 p.
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2019-03-18
20:13
Measurements of top-quark pair spin correlations in the $e\mu$ channel at $\sqrt{s} = 13$ TeV using $pp$ collisions in the ATLAS detector / ATLAS Collaboration
A measurement of observables sensitive to spin correlations in $t\bar{t}$ production is presented, using 36.1 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 13$ TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:1903.07570 ; CERN-EP-2019-034. - 2019. - 64 p.
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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 / ATLAS Collaboration
A search for high-mass dielectron and dimuon resonances in the mass range of 250 GeV to 6 TeV is presented. [...]
arXiv:1903.06248 ; CERN-EP-2019-030. - 2019. - 32 p.
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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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