ATLAS Conference Notes

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2022-12-02
15:24

Measurement of the $t\bar{t}$ cross-section and $t\bar{t}/Z$ cross-section ratio using LHC Run 3 $pp$ collision data at a centre-of-mass energy of $\sqrt{s} = 13.6$ TeV
The inclusive top quark pair ($t\bar{t}$) production cross-section $\sigma_{t\bar{t}}$ has been measured in proton-proton collisions at $\sqrt{s} = 13.6$ TeV, using 1.2 fb${}^{-1}$ of data collected in August 2022 by the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2022-070. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:47

Search for dark matter produced in association with a Higgs boson decaying to tau leptons at $\sqrt{s} =13$ TeV with the ATLAS detector
A search for dark matter produced in association with a Higgs boson in final states with two hadronically decaying $\tau$-leptons and missing transverse momentum is presented. [...]
ATLAS-CONF-2022-069. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:46

Evidence of off-shell Higgs boson production and constraints on the total width of the Higgs boson in the $ZZ\rightarrow 4\ell$ and $ZZ\rightarrow 2\ell2\nu$ decay channels with the ATLAS detector
This note reports a search for off-shell production of the Higgs boson using 139 fb$^{-1} $of $pp$ collision data at $\sqrt{s}=$ 13 TeV collected by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2022-068. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:45

Measurement of the Higgs boson production cross section in association with a vector boson and decaying into $WW^\ast$ with the ATLAS detector at $\sqrt{s} = 13$ TeV
A measurement of the total Higgs boson production cross sections via associated $WH$ and $ZH$ production using $H\to WW^{*}\to \ell\nu\ell\nu$ and $H\to WW^{*} \to \ell\nu jj$ decays is presented. [...]
ATLAS-CONF-2022-067. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:43

Search for heavy resonances in the decay channel 𝑾+𝑾− → 𝒆𝝂𝝁𝝂 in 𝒑 𝒑 Collisions at √𝒔 = 13 TeV using 139 fb−1 of data with the ATLAS detector
A search for neutral heavy resonances (𝑅) is made in the 𝑊+𝑊− → 𝑒𝜈𝜇𝜈 decay channel using 𝑝𝑝 collision data corresponding to an integrated luminosity of 139 fb−1, collected at a centre-of-mass energy of 13 TeV by the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2022-066. - 2022. - 34 p.
Original Communication (restricted to ATLAS) - Full text

2022-10-06
17:00

Inclusive-photon production and its dependence on photon isolation in $pp$ collisions at $\sqrt s=13$ TeV} using 139 fb$^{-1}$ of ATLAS data
Measurements of differential cross sections for inclusive isolated-photon production in $pp$ collisions at a centre-of-mass energy of 13 TeV provided by the LHC and using an integrated luminosity of 139 fb$^{-1}$ of ATLAS data are presented. [...]
ATLAS-CONF-2022-065. - 2022. - 43 p.
Original Communication (restricted to ATLAS) - Full text

2022-09-20
16:24

Search for dark photons from Higgs boson decays via $ZH$ production with a photon plus missing transverse momentum signature from $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
This paper describes a search for dark photons ($\gamma_d$) in Higgs boson decay ($H \to \gamma\gamma_d$) produced in proton-proton collisions through the $ZH$ production mode at the Large Hadron Collider at $\sqrt{s}=13$ TeV. [...]
ATLAS-CONF-2022-064. - 2022. - 37 p.
Original Communication (restricted to ATLAS) - Full text

2022-09-18
17:51

Measurement of the polarisation of $W$ bosons produced in top-quark decays using di-lepton events at $\sqrt{s} = 13$ TeV with the ATLAS experiment
A measurement of the polarisation of $W$ bosons produced in top decays is presented, using proton-proton collision data at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV. [...]
ATLAS-CONF-2022-063. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-09-18
17:50

Search for leptonic charge asymmetry in $t\bar{t}W$ production in final states with three leptons at $\sqrt{s} = 13$ TeV
A search for the leptonic charge asymmetry ($A_{c}^{\ell}$) of top-quark-antiquark pair production in association with a $W$ boson ($t\bar{t}W$) is presented. [...]
ATLAS-CONF-2022-062. - 2022. - 36 p.
Original Communication (restricted to ATLAS) - Full text

2022-09-18
17:48

Measurement of lepton kinematic distributions in the $e\mu$ decay channel of $t\bar{t}$ events observed in $pp$ collisions at $\sqrt{s}=13\;$TeV with the ATLAS detector
The differential and double differential distributions of kinematic variables of leptons from decays of top quark pairs are measured using the full LHC Run II sample of data collected with the ATLAS detector. [...]
ATLAS-CONF-2022-061. - 2022. - 43 p.
Original Communication (restricted to ATLAS) - Full text

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