ATLAS Conference Notes

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2023-03-31
11:45

Observation of WZ$\gamma$ production in pp collisions $\sqrt(s)=13$ TeV with the ATLAS detector
This letter reports the observation of $WZ\gamma$ production and a measurement of its cross-section using $140 \pm 1.2~\textrm{fb}^{-1}$ of proton-proton collision data recorded at a center-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2023-014. - 2023. - 13 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-31
11:43

A precise measurement of the $Z$-boson double-differential transverse momentum and rapidity distributions in the full phase space of the decay leptons with the ATLAS experiment at sqrt s = 8 TeV
This paper presents for the first time a precise measurement of the production properties of the $Z$-boson in the full phase space of the decay leptons. [...]
ATLAS-CONF-2023-013. - 2023. - 40 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-31
11:40

Measurements of $W^+W^-$ production cross sections in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
Measurements of $W^+W^-\rightarrow e^\pm \nu \mu^\mp \nu$ production cross-sections are presented, providing a test of the predictions of perturbative quantum chromodynamics, parton distribution functions, and the electroweak theory. [...]
ATLAS-CONF-2023-012. - 2023. - 37 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-31
10:16

Measurement of the centrality dependence of the dijet yield in $p$+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 8.16 TeV with the ATLAS detector
ATLAS has measured the dijet per-event yield for anti-$k_t$ $R$ = 0.4 jets at center-of-mass energy $\sqrt{s_{\mathrm{NN}}}$ = 8.16 TeV in $p$+Pb collisions. [...]
ATLAS-CONF-2023-011. - 2023. - 21 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-31
10:05

Search for periodic signals in the dielectron and diphoton invariant mass spectra using 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for physics beyond the Standard Model inducing periodic signals in the dielectron and diphoton invariant mass spectra is presented using 139 fb$^{-1}$ of $\sqrt{s}=13$ TeV $pp$ collision data collected by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2023-010. - 2023. - 38 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-31
10:03

Search for pair-produced Higgsinos decaying via Higgs or $Z$ bosons to final states containing a pair of photons and a pair of $b$-jets with the ATLAS detector
A search for the pair production of higgsinos $\tilde{\chi}$ in gauge-mediated supersymmetry models, where $\tilde{\chi}$ decays to a light gravitino $\tilde{G}$ either via a Higgs or $Z$ boson, is presented. [...]
ATLAS-CONF-2023-009. - 2023. - 17.
Original Communication (restricted to ATLAS) - Full text

2023-03-31
09:40

Measurement of isolated photon plus multi-jet correlations in Pb+Pb and $pp$ collisions at 5.02 TeV with ATLAS
This note presents a measurement of isolated photon plus multi-jet correlations in $1.72$ nb$^{-1}$ of Pb+Pb data and $260$ pb$^{-1}$ of $pp$ data, both at $5.02$ TeV, with the ATLAS detector. [...]
ATLAS-CONF-2023-008. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-03-31
09:39

"Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at 5.02 TeV "
This note describes the measurement of azimuthal anisotropies of charged particles in Pb+Pb collisions at $5.02$ TeV. [...]
ATLAS-CONF-2023-007. - 2023. - 16 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-31
09:32

Measurement of $t\bar{t}$ and $Z$-boson cross sections and their ratio using $pp$ collisions at $\sqrt{s} = 13.6$ TeV with the ATLAS detector
The inclusive top-quark-pair production cross-section $\sigma_{t\bar{t}}$ and fiducial $Z$-boson production cross-section $\sigma_{Z\to\ell\ell}^{\mathrm{fid.}}$ have been measured in proton–proton collisions at $\sqrt{s} = 13.6$ TeV, using 11.3 fb${}^{-1}$ of data collected in 2022 with the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2023-006. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-03-23
17:17

Observation of $W\gamma\gamma$ triboson production in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
This note reports the observation of $W(\ell\nu)\gamma\gamma$ production in proton-proton collisions. [...]
ATLAS-CONF-2023-005. - 2023. - 22 p.
Original Communication (restricted to ATLAS) - Full text

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