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ATLAS Preprints

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2019-10-15
10:02
Status of searches in the long-lived particle and dark sectors, including full run-2 and HL-LHC prospects / Alimena, Juliette (Ohio State U.) /ATLAS, CMS and LHCB Collaborations
Particles beyond the standard model can generically have lifetimes that are long compared to SM particles at the weak scale. When produced at the LHC at CERN, these long-lived particles (LLPs) can decay far from the primary proton-proton interaction, or even completely pass through the detector before decaying. [...]
CMS-CR-2019-102.- Geneva : CERN, 2019 - 9 p. Fulltext: PDF;
In : 31st Recontres de Blois (Particle Physics and Cosmology), Blois, France, 2 - 7 Jun 2019

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2019-10-10
21:52
Determination of jet calibration and energy resolution in proton-proton collisions at $\sqrt{s}$ = 8 TeV using the ATLAS detector / ATLAS Collaboration
The jet energy scale, jet energy resolution, and their systematic uncertainties are measured for jets reconstructed with the ATLAS detector in 2012 using proton-proton data produced at a centre-of-mass energy of 8 TeV with an integrated luminosity of 20 fb$^{-1}$. [...]
arXiv:1910.04482 ; CERN-EP-2019-057. - 2019. - 110 p.
Fulltext - Previous draft version - Fulltext

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2019-09-30
11:38
Measurement of $J/\psi$ production in association with a $W^\pm$ boson with $pp$ data at 8 TeV / ATLAS Collaboration
A measurement of the production of a prompt $J/\psi$ meson in association with a $W^\pm$ boson with $W^\pm \rightarrow \mu\nu$ and $J/\psi \rightarrow \mu^+ \mu^-$ is presented for $J/\psi$ transverse momenta in the range 8.5$-$150 GeV and rapidity $|y_{J/\psi}|<2.1$ using ATLAS data recorded in 2012 at the LHC. [...]
arXiv:1909.13626 ; CERN-EP-2018-352. - 2019. - 35 p.
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2019-09-23
11:50
Search for the Higgs boson decays $H \to ee$ and $H \to e\mu$ in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
Searches for the Higgs boson decays $H \to ee$ and $H \to e \mu$ are performed using data corresponding to an integrated luminosity of 139 fb$^{-1}$ collected with the ATLAS detector in $pp$ collisions at $\sqrt{s} = 13$ TeV at the LHC. [...]
arXiv:1909.10235 ; CERN-EP-2019-184. - 2019. - 31 p.
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2019-09-20
22:59
Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two $b$-jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
The results of a search for electroweakino pair production $pp \rightarrow \tilde\chi^\pm_1 \tilde\chi^0_2$ in which the chargino ($\tilde\chi^\pm_1$) decays into a $W$ boson and the lightest neutralino ($\tilde\chi^0_1$), while the heavier neutralino ($\tilde\chi^0_2$) decays into the Standard Model 125 GeV Higgs boson and a second $\tilde\chi^0_1$ are presented. [...]
arXiv:1909.09226 ; CERN-EP-2019-188. - 2019. - 40 p.
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2019-09-19
07:44
Search for squarks and gluinos in final states with same-sign leptons and jets using 139 fb$^{-1}$ of data collected with the ATLAS detector / ATLAS Collaboration
A search for supersymmetric partners of gluons and quarks is presented, involving signatures with jets and either two isolated leptons (electrons or muons) with the same electric charge, or at least three isolated leptons. [...]
arXiv:1909.08457 ; CERN-EP-2019-161. - 2019. - 42 p.
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2019-09-14
23:19
Determination of proton parton distribution functions using ATLAS data / Giuli, Francesco (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica)
Proceeding of an ATLAS talk given during EPS-HEP 2019 (Ghent, Belgium). [...]
arXiv:1909.06702. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext

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2019-09-11
04:59
Particle production and flow-like effects in small systems / Ortiz, Antonio (Mexico U., ICN)
Particle production in small systems (pp and p-Pb collisions) has unveiled unexpected collective-like behavior. [...]
arXiv:1909.03937. - 13 p.
Fulltext

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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.
Fulltext - Previous draft version - Fulltext

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