Reports

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2017-12-12
11:47
arXiv [PUBDB-2017-13318] Preprint/Report
; ; ; et al
Measurement of detector-corrected observables sensitive to the anomalous production of events with jets and large missing transverse momentum in $pp$ collisions at $\sqrt{s} =$ 13 TeV using the ATLAS detector
[CERN-EP-2017-116; arXiv:1707.03263] ddc:530
Observables sensitive to the anomalous production of events containing hadronic jets and missing momentum in the plane transverse to the proton beams at the Large Hadron Collider are presented. The observables are defined as a ratio of cross sections, for events containing jets and large missing transverse momentum to events containing jets and a pair of charged leptons from the decay of a $Z/\gamma^\ast$ boson. [...]
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2017-12-12
11:03
arXiv [PUBDB-2017-13310] Preprint/Report

Measurement of jet fragmentation in 5.02 TeV proton--lead and proton--proton collisions with the ATLAS detector
[CERN-EP-2017-065]
A measurement of the fragmentation functions of jets into charged particles in $p$+Pb collisions and $pp$ collisions is presented. The analysis utilizes 28 nb$^{-1}$ of $p$+Pbdata and 26 pb$^{-1}$ of $pp$ data, both at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV, collected in 2013 and 2015, respectively, with the ATLAS detector at the LHC. [...]
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2017-12-12
10:58
DBCoverage [PUBDB-2017-13308] Report/Journal Article
; ; ; et al
Measurement of the t t ¯ γ $$ t\overline{t}\gamma $$ production cross section in proton-proton collisions at s = 8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector
[CERN-EP-2017-086] ddc:530
The cross section of a top-quark pair produced in association with a photon is measured in proton-proton collisions at a centre-of-mass energy of $\sqrt{s} = 8$ TeV with $20.2$ fb$^{-1}$ of data collected by the ATLAS detector at the Large Hadron Collider in 2012. The measurement is performed by selecting events that contain a photon with transverse momentum $p_\mathrm{T} > 15$ GeV, an isolated lepton with large transverse momentum, large missing transverse momentum, and at least four jets, where at least one is identified as originating from a $b$-quark. [...]
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2017-12-12
10:56
DBCoverage [PUBDB-2017-13307] Report/Journal Article
; ; ; et al
Measurement of the inclusive jet cross-sections in proton-proton collisions at s = 8 $$ \sqrt{s}=8 $$ TeV with the ATLAS detector
[CERN-EP-2017-043] ddc:530
Inclusive jet production cross-sections are measured in proton--proton collisions at a centre-of-mass energy of $\sqrt{s}=$8 TeV recorded by the ATLAS experiment at the Large Hadron Collider at CERN. The total integrated luminosity of the analysed data set amounts to $20.2$ fb$^{-1}$. [...]
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2017-12-12
10:49
DBCoverage [PUBDB-2017-13305] Report/Journal Article
; ; ; et al
Search for supersymmetry in final states with two same-sign or three leptons and jets using 36 fb−1 of s = 13 $$ \sqrt{s}=13 $$ TeV pp collision data with the ATLAS detector
[CERN-EP-2017-108] ddc:530
A search for strongly produced supersymmetric particles using signatures involving multiple energetic jets and either two isolated same-sign leptons ($e$ or $\mu$), or at least three isolated leptons, is presented. The analysis relies on the identification of $b$-jets and high missing transverse momentum to achieve good sensitivity. [...]
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2017-12-12
10:46
arXiv [PUBDB-2017-13304] Report/Journal Article
; ; ; et al
Search for dark matter in association with a Higgs boson decaying to two photons at s = 13     TeV with the ATLAS detector
[CERN-EP-2017-079] ddc:530
A search for dark matter in association with a Higgs boson decaying to two photons is presented. This study is based on data collected with the ATLAS detector, corresponding to an integrated luminosity of 36.1 fb$^{-1}$ of proton--proton collisions at the LHC at a center-of-mass energy of 13 TeV in 2015 and 2016. [...]
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2017-12-12
10:43
DBCoverage [PUBDB-2017-13303] Report/Journal Article
; ; ; et al
Search for direct top squark pair production in events with a Higgs or Z boson, and missing transverse momentum in s = 13 $$ \sqrt{s}=13 $$ TeV pp collisions with the ATLAS detector
[CERN-EP-2017-106] ddc:530
A search for direct top squark pair production resulting in events with either a same-flavour opposite-sign dilepton pair with invariant mass compatible with a $Z$ boson or a pair of jets compatible with a Standard Model (SM) Higgs boson ($h$) is presented. Requirements on additional leptons, jets, jets identified as originating from $b$-quarks, and missing transverse momentum are imposed to target the other decay products of the top squark pair. [...]
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2017-12-12
10:39
arXiv [PUBDB-2017-13302] Preprint/Report

Search for a new heavy gauge boson resonance decaying into a lepton and missing transverse momentum in 36 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} =$ 13 TeV with the ATLAS experiment
[CERN-EP-2017-082]
The results of a search for new heavy $W^\prime$ bosons decaying to an electron or muon and a neutrino using proton-proton collision data at a centre-of-mass energy of $\sqrt{s} = 13$ TeV are presented. The dataset was collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider and corresponds to an integrated luminosity of 36.1 fb$^{-1}$. [...]
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2017-12-12
10:33
arXiv [PUBDB-2017-13299] Report/Journal Article
; ; ; et al
Search for Dark Matter Produced in Association with a Higgs Boson Decaying to b b ¯ Using 36     fb − 1 of p p Collisions at s = 13     TeV with the ATLAS Detector
[CERN-EP-2017-117] ddc:550
Several extensions of the Standard Model predict associated production of dark-matter particles with a Higgs boson. Such processes are searched for in final states with missing transverse momentum and a Higgs boson decaying to a $b\bar b$ pair with the ATLAS detector using 36.1 fb$^{-1}$ of $pp$ collisions at a center-of-mass energy of 13 TeV at the LHC. [...]
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2017-12-12
10:29
DBCoverage [PUBDB-2017-13298] Preprint/Report
; ; ; et al
Search for top quark decays t → qH, with H → γγ, in s = 13 $$ \sqrt{s}=13 $$ TeV pp collisions using the ATLAS detector
[CERN-EP-2017-118] ddc:530
This article presents a search for flavour-changing neutral currents in the decay of a top quark into an up-type ($q = c, u$) quark and a Higgs boson, where the Higgs boson decays into two photons. The proton--proton collision data set analysed amounts to 36.1 fb$^{-1}$ at $\sqrt{s} = 13$ TeV collected by the ATLAS experiment at the LHC. [...]
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