ATLAS Conference Notes

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2020-06-09
19:16

Search for dark matter in association with an energetic photon in pp collisions at s√=13 TeV with the ATLAS detector
A search for dark matter is conducted in final states containing a photon and missing transverse momentum in proton-proton collisions at 13 TeV. [...]
ATLAS-CONF-2020-020. - 2020. - 25 p.
Original Communication (restricted to ATLAS) - Full text

2020-06-09
19:14

Measurements of Jet Azimuthal Anisotropies in Pb+Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV
This note describes the measurement of azimuthal anisotropies of jets in Pb+Pb collisions with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2020-019. - 2020. - 15 p.
Original Communication (restricted to ATLAS) - Full text

2020-06-09
19:13

Measurement of the sensitivity of two particle correlations in $pp$ collisions at $\sqrt{s}=13$ TeV to the presence of jets with the ATLAS detector
Measurements of two-particle correlations in $pp$ collisions show the presence of long-range correlations along $\Delta\eta$ that are strikingly similar to those seen in heavy-ion collisions. [...]
ATLAS-CONF-2020-018. - 2020.
Original Communication (restricted to ATLAS) - Full text

2020-06-09
19:09

Measurement of the dijet momentum balance in Pb+Pb and $pp$ collisions at $\sqrt{s_{NN}}$= 5.02 TeV with the ATLAS detector
This note presents measurements of the dijet momentum balance of anti-$k_{t}$ R = 0.4 jets at center-of-mass energy $\sqrt{s_{NN}}$ = 5.02 TeV in Pb+Pb and $pp$ collisions by the ATLAS experiment. [...]
ATLAS-CONF-2020-017. - 2020. - 16 p.
Original Communication (restricted to ATLAS) - Full text

2020-06-09
18:59

Search for phenomena beyond the Standard Model in events with large $b$-jet multiplicity using the ATLAS detector at the LHC
A search is presented for new phenomena in final state events characterized by high jet multiplicity, no isolated leptons (electrons and muons), and large multiplicity of jets originating from the fragmentation of $b$-quarks ($b$-jets). [...]
ATLAS-CONF-2020-016. - 2020.
Original Communication (restricted to ATLAS) - Full text

2020-06-01
22:34

Search for chargino-neutralino pair production in final states with three leptons and missing transverse momentum in $\sqrt{s}$ = 13 TeV p-p collisions with the ATLAS detector
A search for chargino-neutralino pair production in three-lepton final states with missing transverse momentum in $\sqrt{s}$ = 13 TeV p-p collisions with the ATLAS detector is presented. [...]
ATLAS-CONF-2020-015. - 2020.
Original Communication (restricted to ATLAS) - Full text

2020-06-01
22:32

Test of the universality of $\tau$ and $\mu$ lepton couplings in W boson decays from $t\bar{t}$ events at 13 TeV with the ATLAS detector
The Standard Model of particle physics constitutes our current best understanding of physics at the smallest scales. [...]
ATLAS-CONF-2020-014. - 2020.
Original Communication (restricted to ATLAS) - Full text

2020-06-01
22:31

Evidence for $t\bar{t}t\bar{t}$ production in the multilepton final state in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for four-top-quark production using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector corresponding to an integrated luminosity of 139 fb$^{-1}$ is presented. [...]
ATLAS-CONF-2020-013. - 2020. - 26 p.
Original Communication (restricted to ATLAS) - Full text

2020-06-01
22:29

Reconstruction and identification of boosted di-$\tau$ systems in a search for Higgs boson pairs using 13 TeV proton-proton collision data in ATLAS
In this note, a novel technique, referred to as the di-$\tau$ tagger, is designed to reconstruct and identify hadronically decaying $\tau^+\tau^-$ pairs with a large Lorentz boost in the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2020-012. - 2020.
Original Communication (restricted to ATLAS) - Full text

2020-06-01
22:26

Measurement of hadronic event shapes in multijet final states at $\sqrt{s} = 13$ TeV with the ATLAS detector
A measurement of event shape variables in proton-proton collisions at large momentum transfer is presented using data collected at $\sqrt{s} = 13$ TeV with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2020-011. - 2020.
Original Communication (restricted to ATLAS) - Full text

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