Reports

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2018-11-16
13:56
DBCoverage [PUBDB-2018-04580] Report/Journal Article
; ; ; et al
Search for pair production of up-type vector-like quarks and for four-top-quark events in final states with multiple b-jets with the ATLAS detector
[CERN-EP-2018-031]
A search for pair production of up-type vector-like quarks ($T$) with a significant branching ratio into a top quark and either a Standard Model Higgs boson or a $Z$ boson is presented. The same analysis is also used to search for four-top-quark production in several new physics scenarios. [...]
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ddc:530
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2018-11-16
12:20
OpenAccess [PUBDB-2018-04567] Preprint/Report
; ; ; et al
Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector
[CERN-EP-2017-202; arXiv:1710.04901]
A search for long-lived, massive particles predicted by many theories beyond the Standard Model is presented. The search targets final states with large missing transverse momentum and at least one high-mass displaced vertex with five or more tracks, and uses 32.8 fb$^{-1}$ of $\sqrt{s}$ = 13 TeV pp collision data collected by the ATLAS detector at the LHC. [...]
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2018-11-16
09:42
OpenAccess [PUBDB-2018-04550] Preprint/Report
; ; ; et al
Search for resonant $WZ$ production in the fully leptonic final state in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
[arXiv:1806.01532; CERN-EP-2018-077]
 GO
A search for a heavy resonance decaying into WZ in the fully leptonic channel (electrons and muons) is performed. It is based on proton–proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 36.1 fb −1 . [...]
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2018-11-16
09:26
OpenAccess [PUBDB-2018-04549] Preprint/Report
; ; ; et al
Search for pair production of heavy vector-like quarks decaying into high-$p_T$ $W$ bosons and top quarks in the lepton-plus-jets final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
[arXiv:1806.01762; CERN-EP-2018-088]
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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. The search is based on 36.1 fb$^{−1}$ of pp collisions at $ \sqrt{s}=13 $ TeV recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. [...]
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2018-11-15
16:12
arXiv [PUBDB-2018-04547] Report/Journal Article
; ; ; et al
Determination of electroweak parameters in polarised deep-inelastic scattering at HERA
[arXiv:1806.01176; DESY-18-080]
The parameters of the electroweak theory are determined in a combined electroweak and QCD analysis using all deep-inelastic $e^+p$ and $e^-p$ neutral current and charged current scattering cross sections published by the H1 Collaboration, including data with longitudinally polarised lepton beams. Various fits to Standard Model parameters in the on-shell scheme are performed. [...]
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2018-11-15
15:41
OpenAccess [PUBDB-2018-04546] Preprint/Report
; ; ; et al
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
[arXiv:1806.04030; CERN-EP-2018-050; CERN-EP-2018-050]
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A search for pair production of the supersymmetric partners of the Higgs boson (higgsinos $\tilde{H}$) in gauge-mediated scenarios is reported. Each higgsino is assumed to decay to a Higgs boson and a gravitino. [...]
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ddc:150
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2018-11-15
15:26
arXiv [PUBDB-2018-04545] Preprint/Report
; ; ; et al
Probing the quantum interference between singly and doubly resonant top-quark production in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
[arXiv:1806.04667; CERN-EP-2018-087]
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. Events with exactly two leptons $(ee, μμ, or eμ)$ and two b-tagged jets that satisfy a multiparticle invariant mass requirement are selected from 36.1 fb$^{-1}$ of proton-proton collision data taken at $\sqrt{s}=13$ TeV with the ATLAS detector at the LHC in 2015 and 2016. [...]
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2018-11-15
15:12
OpenAccess [PUBDB-2018-04544] Preprint/Report
; ; ; et al
Search for Higgs boson pair production in the $\gamma\gamma b\bar{b}$ final state with 13 TeV $pp$ collision data collected by the ATLAS experiment
[arXiv:1807.04873; CERN-EP-2018-130]
 GO
A search is performed for resonant and non-resonant Higgs boson pair production in the $\gamma\gamma b\bar{b}$ final state. The data set used corresponds to an integrated luminosity of 36.1 fb$^{−1}$ of proton-proton collisions at a centre-of-mass energy of 13 TeV recorded by the ATLAS detector at the CERN Large Hadron Collider. [...]
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2018-11-15
14:08
OpenAccess [PUBDB-2018-04538] Report/Journal Article
; ; ; et al
Search for doubly charged Higgs boson production in multi-lepton final states with the ATLAS detector using proton–proton collisions at $\sqrt{s}=13\,\text {TeV}$
[CERN-EP-2017-198; arXiv:1710.09748]
A search for doubly charged Higgs bosons with pairs of prompt, isolated, highly energetic leptons with the same electric charge is presented. The search uses a proton-proton collision data sample at a centre-of-mass energy of 13 TeV corresponding to 36.1 $\mathrm{fb}^{-1}$ of integrated luminosity recorded in 2015 and 2016 by the ATLAS detector at the LHC. [...]
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2018-11-15
14:05
OpenAccess [PUBDB-2018-04537] Report/Journal Article
; ; ; et al
Search for $WW/WZ$ resonance production in $\ell \nu qq$ final states in $pp$ collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector
[CERN-EP-2017-223; arXiv:1710.07235]
A search is conducted for new resonances decaying into a $WW$ or $WZ$ boson pair, where one $W$ boson decays leptonically and the other $W$ or $Z$ boson decays hadronically. It is based on proton-proton collision data with an integrated luminosity of 36.1 fb$^{-1}$ collected with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV in 2015 and 2016. [...]
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