ATLAS Notes

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2022-05-20
16:52

Combination of searches for heavy resonances using 139 fb$^{-1}$ of proton–proton collision data at $\sqrt{s}$ = 13 TeV with the ATLAS detector
Searches for new heavy resonances decaying into different pairings of $W$, $Z$, or Higgs bosons, as well as directly into leptons, are presented using a data sample corresponding to 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 13 TeV collected from 2015-2018 with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2022-033. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-05-18
10:46

Measuring $CP$ properties of Higgs boson interactions with $\tau$ leptons with the ATLAS detector
A study of the charge conjugation and parity ($CP$) properties of the interaction between the Higgs boson and $\tau$ leptons is presented. [...]
ATLAS-CONF-2022-032. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-05-18
10:09

Measurement of the $t\bar{t}$ production cross-section in $pp$ collisions at $\sqrt{s}=5.02$ TeV with the ATLAS detector
The inclusive top-quark pair ($t\bar{t}$) production cross-section $\sigma_{t\bar{t}}$ is measured in proton-proton collisions at a centre-of-mass energy $\sqrt{s}=5.02$ TeV, using 257 pb$^{-1}$ of data collected in 2017 by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2022-031. - 2022. - 30 p.
Original Communication (restricted to ATLAS) - Full text

2022-05-18
10:07

Measurement of single top-quark production in the s-channel in proton-proton collisions at $\mathrm{\sqrt{s}=13~TeV}$ with the ATLAS detector
A measurement of single top-quark production in the s-channel is performed in proton-proton collisions at a centre-of-mass energy of $\mathrm{13~TeV}$ with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2022-030. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-05-18
10:01

Search for dark matter produced in association with a dark Higgs boson decaying to $W^{+}W^{-}$ in the one-lepton final state at $\sqrt{s} = 13\,$TeV using 139$\,$fb$^{-1}$ of $pp$ collisions recorded with the ATLAS detector
Several extensions of the Standard Model predict the production of dark matter particles at the LHC. [...]
ATLAS-CONF-2022-029. - 2022.
Original Communication (restricted to ATLAS) - Full text - Full text

2022-05-18
09:50

A search for heavy Higgs bosons decaying into vector bosons in same-sign two-lepton final states in $pp$ collisions at $\sqrt{s}=13$~TeV with the ATLAS detector
A search for heavy Higgs bosons decaying into a pair of vector bosons and produced in association with a vector boson is performed, using final states with two leptons of the same electric charge (electrons or muons), missing transverse momentum and jets. [...]
ATLAS-CONF-2022-028. - 2022. - 36 p.
Original Communication (restricted to ATLAS) - Full text

2022-05-17
21:42

Standard Model Higgs coupling measurements in ATLAS and CMS / Camacho Toro, Reina Coromoto (Centre National de la Recherche Scientifique (FR))
This proceedings report on recent Higgs coupling measurements, released between 2020 and early 2022, by the ATLAS and CMS experiments at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2022-035. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-05-17
18:43

Measurement of the $b$-jet identification efficiency with the $p_\text{T}^{\text{rel}}$ method in multi-jet events using pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS Detector
The identification of jets containing \emph{b}-hadrons, or \emph{b}-tagging, is achieved in ATLAS using various approaches. [...]
ATL-PHYS-PUB-2022-025. - 2022. - 70 p.
Original Communication (restricted to ATLAS) - Full text

2022-05-17
18:24

Search for a new scalar resonance in flavour-changing neutral-current top-quark decays $t\rightarrow qX$ ($q$ = $u,c$), with $X\rightarrow b\bar{b}$, in proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for flavour-changing neutral-current decays of a top quark into an up-type quark (either up or charm) and a light scalar particle 𝑋 decaying into a bottom anti-bottom quark pair is presented. [...]
ATLAS-CONF-2022-027. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-05-17
15:51

Eigenvector recomposition: a new method to correlate flavor-tagging systematic uncertainties across analyses
In order to simplify the treatment of the flavor-tagging scale factor uncertainties in physics analyses, their large number is currently significantly reduced using an eigenvector decomposition approach that preserves both the total size of the uncertainty and the underlying correlations. [...]
ATL-PHYS-PUB-2022-024. - 2022.
Original Communication (restricted to ATLAS) - Full text

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