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2019-09-06
16:03
Combined measurements of Higgs boson production and decay using up to $80$ fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=$ 13 TeV collected with the ATLAS experiment / ATLAS Collaboration
Combined measurements of Higgs boson production cross sections and branching fractions are presented. [...]
arXiv:1909.02845 ; CERN-EP-2019-097. - 2019. - 80 p.
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2019-09-04
14:59
Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
The elliptic flow of muons from the decay of charm and bottom hadrons is measured in $pp$ collisions at $\sqrt{s}=13$ TeV using a data sample with an integrated luminosity of 150 pb$^{-1}$ recorded by the ATLAS detector at the LHC. [...]
arXiv:1909.01650 ; CERN-EP-2019-166. - 2019. - 27 p.
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2019-09-03
21:58
Search for light long-lived neutral particles produced in $pp$ collisions at $\sqrt{s} =$ 13 TeV and decaying into collimated leptons or light hadrons with the ATLAS detector / ATLAS Collaboration
Several models of physics beyond the Standard Model predict the existence of dark photons, light neutral particles decaying into collimated leptons or light hadrons. [...]
arXiv:1909.01246 ; CERN-EP-2019-140. - 2019. - 42 p.
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2019-09-02
17:41
Performance of electron and photon triggers in ATLAS during LHC Run 2 / ATLAS Collaboration
Electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential for the ATLAS experiment to record signals for a wide variety of physics: from Standard Model processes to searches for new phenomena in both proton-proton and heavy-ion collisions. [...]
arXiv:1909.00761 ; CERN-EP-2019-169. - 2019. - 55 p.
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2019-08-22
22:53
Search for flavour-changing neutral currents in processes with one top quark and a photon using 81 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment / ATLAS Collaboration
A search for flavour-changing neutral current (FCNC) events via the coupling of a top quark, a photon, and an up or charm quark is presented using 81 fb$^{-1}$ of proton-proton collision data taken at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC. [...]
arXiv:1908.08461 ; CERN-EP-2019-155. - 2019. - 34 p.
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2019-08-22
17:32
Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions using the ATLAS detector / ATLAS Collaboration
A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. [...]
arXiv:1908.08215 ; CERN-EP-2019-106. - 2019. - 47 p.
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2019-08-20
19:31
Measurements of top-quark pair differential and double-differential cross-sections in the $\ell$+jets channel with $pp$ collisions at $\sqrt{s}=13$ TeV using the ATLAS detector / ATLAS Collaboration
Single- and double-differential cross-section measurements are presented for the production of top-quark pairs, in the lepton + jets channel at particle and parton level. [...]
arXiv:1908.07305 ; CERN-EP-2019-149. - 2019. - 117 p.
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2019-08-20
19:21
Search for non-resonant Higgs boson pair production in the $bb\ell\nu\ell\nu$ final state with the ATLAS detector in $pp$ collisions at $\sqrt{s} = 13$ TeV / ATLAS Collaboration
A search for non-resonant Higgs boson pair production, as predicted by the Standard Model, is presented, where one of the Higgs bosons decays via the $H\rightarrow bb$ channel and the other via one of the $H \rightarrow WW^*/ZZ^*/\tau\tau$ channels. [...]
arXiv:1908.06765 ; CERN-EP-2019-143. - 2019. - 38 p.
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2019-08-14
22:36
Measurement of angular and momentum distributions of charged particles within and around jets in Pb+Pb and $pp$ collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV with the ATLAS detector / ATLAS Collaboration
Studies of the fragmentation of jets into charged particles in heavy-ion collisions can provide information about the mechanism of jet-quenching by the hot and dense QCD matter created in such collisions, the quark-gluon plasma. [...]
arXiv:1908.05264 ; CERN-EP-2019-158. - 2019. - 43 p.
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2019-08-09
10:45
Search for bottom-squark pair production with the ATLAS detector in final states containing Higgs bosons, $b$-jets and missing transverse momentum / ATLAS Collaboration
The result of a search for the pair production of the lightest supersymmetric partner of the bottom quark ($\tilde{b}_{1}$) using 139 fb$^{-1}$ of proton-proton data collected at $\sqrt{s} = 13$ TeV by the ATLAS detector is reported. [...]
arXiv:1908.03122 ; CERN-EP-2019-142. - 2019. - 47 p.
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