ATLAS

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2018-09-27
13:49
OpenAccess [PUBDB-2018-03654] Conference Presentation

ATLAS searches for high-mass resonancesdecaying to pair of bosons
XXXIX INTERNATIONAL CONFERENCE ON HIGH ENERGY PHYSICS, ICHEP2018, SeoulSeoul, Korea, 4 Jul 2018 - 11 Jul 20182018-07-042018-07-11  GO
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2018-09-27
10:01
OpenAccess [PUBDB-2018-03631] Conference Presentation

Measurements of the inclusive $t\bar{t}$ cross section at the ATLAS and CMS experiments
11th International Workshop on Top Quark Physics, TOP2018, Bad Neuenahr-AhrweilerBad Neuenahr-Ahrweiler, Germany, 16 Sep 2018 - 21 Sep 20182018-09-162018-09-21  GO
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2018-09-13
14:40
OpenAccess [PUBDB-2018-03502] Poster

ATLAS ITk Strip Detector for the High-Luminosity LHC
14th Pisa Meeting on Advanced Detectors, PM2018, Isola D'ElbaIsola D'Elba, Italy, 27 May 2018 - 2 Jun 20182018-05-272018-06-02  GO
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2018-09-13
11:27
OpenAccess [PUBDB-2018-03490] Preprint/Report
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Constraining new resonant physics with top spin polarisation information
[arXiv:1703.05613]
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We provide a comprehensive analysis of the power of including top quark-polarisation information to kinematically challenging top pair resonance searches, for which ATLAS and CMS start losing sensitivity. Following the general modelling and analysis strategies pursued by the experiments, we analyse the semi-leptonic and the di-lepton channels and show that including polarisation information can lead to large improvements in the limit setting procedures with large data sets. [...]
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2018-09-13
11:19
OpenAccess [PUBDB-2018-03489] Preprint/Report
; ; ; et al
Measurements of gluon-gluon fusion and vector-boson fusion Higgs boson production cross-sections in the $H \to WW^{\ast} \to e\nu\mu\nu$ decay channel in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
[arXiv:1808.09054; CERN-EP-2018-212]
Higgs boson production cross-sections in proton-proton collisions are measured in the $H \to WW^{\ast} \to e\nu\mu\nu$ decay channel. The proton-proton collision data were produced at the Large Hadron Collider at a centre-of-mass energy of 13 TeV and recorded by the ATLAS detector in 2015 and 2016, corresponding to an integrated luminosity of 36.1 fb$^{-1}$. [...]
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2018-09-13
11:14
OpenAccess [PUBDB-2018-03488] Preprint/Report
; ; ; et al
A search for pairs of highly collimated photon-jets in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
[arXiv:1808.10515; CERN-EP-2018-143]
Results of a search for the pair production of photon-jets---collimated groupings of photons---in the ATLAS detector at the Large Hadron Collider are reported. Highly collimated photon-jets can arise from the decay of new, highly boosted particles that can decay to multiple photons collimated enough to be identified in the electromagnetic calorimeter as a single, photon-like energy cluster [...]
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2018-09-12
14:36
OpenAccess [PUBDB-2018-03479] Report/Journal Article
; ; ; et al
Measurement of the inclusive and fiducial $t\bar{t}$ production cross-sections in the lepton+jets channel in $pp$ collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector
[CERN-EP-2017-276; arXiv:1712.06857]
The inclusive and fiducial $t\bar{t}$ production cross-sections are measured in the lepton+jets channel using 20.2 fb$^{-1}$ of proton--proton collision data at a centre-of-mass energy of 8 TeV recorded with the ATLAS detector at the LHC. Major systematic uncertainties due to the modelling of the jet energy scale and $b$-tagging efficiency are constrained by separating selected events into three disjoint regions. [...]
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2018-09-12
14:32
OpenAccess [PUBDB-2018-03477] Report/Journal Article

Measurement of the Higgs boson coupling properties in the $H\rightarrow ZZ^{*} \rightarrow 4\ell$ decay channel at $\sqrt{s}$ = 13 TeV with the ATLAS detecto
[CERN-EP-2017-206; arXiv:1712.02304]
The coupling properties of the Higgs boson are studied in the four-lepton decay channel using 36.1 fb$^{-1}$ of $pp$ collision data from the LHC at a centre-of-mass energy of 13 TeV collected by the ATLAS detector. Cross sections are measured for the four key production modes in several exclusive regions of the Higgs boson production phase space and are interpreted in terms of coupling modifiers. [...]
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2018-09-12
14:29
OpenAccess [PUBDB-2018-03476] Report/Journal Article
; ; ; et al
Measurement of the exclusive $\gamma \gamma \rightarrow \mu^+ \mu^-$ process in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
[CERN-EP-2017-151; arXiv:1708.04053]
The production of exclusive $\gamma \gamma \rightarrow \mu^+ \mu^-$ events in proton--proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC, using data corresponding to an integrated luminosity of 3.2 fb$^{-1}$. The measurement is performed for a dimuon invariant mass of 12 GeV m$_{\mu^+\mu^-}<$ 70 GeV. [...]
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2018-09-12
14:25
OpenAccess [PUBDB-2018-03475] Report/Journal Article
; ; ; et al
Measurement of the cross-section for producing a $W$ boson in association with a single top quark in $pp$ collisions at $\sqrt{s} =$ 13 TeV with ATLAS
[CERN-EP-2016-238; arXiv:1612.07231]
The inclusive cross-section for the associated production of a $W$ boson and top quark is measured using data from proton-proton collisions at $\sqrt{s} =$ 13 TeV. The dataset corresponds to an integrated luminosity of 3.2 fb$^{-1}$, and was collected in 2015 by the ATLAS detector at the Large Hadron Collider at CERN. [...]
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