ATLAS Notes

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2022-09-23
21:40

Recent ATLAS Results on Forward Physics and Diffraction / Staszewski, Rafal (Polish Academy of Sciences (PL))
The ATLAS detector is equipped with dedicated systems designed for the detection of forward protons produced in diffractive and photon-induced processes. [...]
ATL-PHYS-PROC-2022-077. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text

2022-09-23
16:11

Tagging and suppression of pile-up jets in the forward region using timing information with the ATLAS detector at √s = 14 TeV at HL-LHC
The High-Luminosity LHC (HL-LHC) will operate at an instantaneous luminosity of up to 7.5 × 1034 cm−2 s−1, corresponding to an unprecedented average number of proton-proton collisions per bunch crossing of up to 200. [...]
ATL-HGTD-PUB-2022-001. - 2022. - 10 p.
Original Communication (restricted to ATLAS) - Full text

2022-09-23
15:42

Determination of the total cross section and $\rho$-parameter from elastic scattering in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / Stenzel, Hasko (Justus-Liebig-Universitaet Giessen (DE))
A new measurement of elastic $pp$ scattering at $\sqrt{s} = 13$ TeV with the ATLAS-ALFA detector is presented. [...]
ATL-PHYS-PROC-2022-076. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text

2022-09-21
02:16

$\textrm{t}\bar{\textrm{t}} \textrm{b}\bar{\textrm{b}}$ modeling for $\textrm{t}\bar{\textrm{t}} \textrm{H}$ analyses in ATLAS and CMS / Brahimi, Nihal (Tsung-Dao Lee Institute (CN))
An overview of the Monte Carlo modelling of the top quark pair production in association with bottom quarks ($\textrm{t}\bar{\textrm{t}} \textrm{b}\bar{\textrm{b}}$), is presented. [...]
ATL-PHYS-PROC-2022-075. - 2022. - 5 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

2022-09-20
09:48

ATLAS results on exotic hadronic resonances / Xu, Yue (Tsinghua University (CN))
Recent results from the proton-proton collision data taken by the ATLAS experiment on exotic resonances will be presented. [...]
ATL-PHYS-PROC-2022-074. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text

2022-09-19
01:55

ATLAS results on exotic hadronic resonances / Xu, Yue (Tsinghua University (CN))
Recent results from the proton-proton collision data taken by the ATLAS experiment on exotic resonances will be presented. [...]
ATL-PHYS-PROC-2022-073. - 2022. - 5 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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