ATLAS Conference Notes

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2022-07-26
15:49

Study of ordered hadron chains in proton-proton, proton-lead and lead-lead collisions with the ATLAS detector
An analysis of momentum differences between charged hadrons in high--energy proton--proton, proton--lead and lead--lead collisions is performed in order to study the dynamics of hadronization. [...]
ATLAS-CONF-2022-055. - 2022. - 52 p.
Original Communication (restricted to ATLAS) - Full text

2022-07-20
20:46

Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for long-lived particles decaying into hadrons is presented. [...]
ATLAS-CONF-2022-054. - 2022. - 26 p.
Original Communication (restricted to ATLAS) - Full text

2022-07-20
20:45

Observation of gauge boson joint-polarisation states in $W^{\pm}Z$ production from $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Measurements of joint-polarisation states of $W$ and $Z$ gauge bosons in $W^{\pm}Z$ production are presented. [...]
ATLAS-CONF-2022-053. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-07-20
20:44

Search for leptoquark pair production decaying to $tℓ^-\bar{t}ℓ^+$ in multilepton final states in pp collisions at 13 TeV with the ATLAS detector
A search for leptoquark pair production decaying to $t \ell^- \bar{t} \ell^+$ in final states with multiple leptons is presented. [...]
ATLAS-CONF-2022-052. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-07-20
20:43

Search in diphoton and dielectron final states for displaced production of Higgs or Z bosons with the ATLAS detector in $\sqrt{s} = 13$ TeV $pp$ collisions
A search is presented for displaced production of Higgs bosons or $Z^0$ bosons, originating from the decay of a neutral long-lived particle (LLP) and reconstructed in the decay modes $H\rightarrow \gamma\gamma$ and $Z\rightarrow ee$. [...]
ATLAS-CONF-2022-051. - 2022. - 31 p.
Original Communication (restricted to ATLAS) - Full text

2022-07-20
20:42

Constraining the Higgs boson self-coupling from single- and double-Higgs production with the ATLAS detector using $pp$ collisions at $\sqrt{s}=13$ TeV
Constraints on the Higgs boson self-coupling are set by combining the double-Higgs boson analyses in the $b\bar{b}b\bar{b}$, $b\bar{b}\tau^+\tau^-$ and $b\bar{b} \gamma \gamma$ decay channels with the single-Higgs boson analyses targeting the $\gamma \gamma$, $ZZ^*$, $WW^*$, $\tau^+ \tau^-$ and $b\bar{b}$ final states. [...]
ATLAS-CONF-2022-050. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-07-20
20:41

Measurement of the charge asymmetry in top quark pair production in association with a photon with the ATLAS experiment
A measurement of the charge asymmetry in top quark pair ($t\bar{t}$) production in association with a photon is presented. [...]
ATLAS-CONF-2022-049. - 2022.
Original Communication (restricted to ATLAS) - Full text

2022-07-20
20:40

Search for new phenomena in multi-body invariant masses in events with at least one isolated lepton using √𝒔 = 13 TeV proton–proton collision data collected by the ATLAS detector
A search for resonances in events with at least one isolated charged lepton (e or μ) is performed using 139fb−1 of s√=13 TeV proton-proton collision data recorded by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2022-048. - 2022. - 22 p.
Original Communication (restricted to ATLAS) - Full text

2022-07-20
20:38

Measurements of Z$\gamma\, +$ jets differential cross sections in $pp$ collisions at $\sqrt{s}=13~\TeV$ with the ATLAS detector
Differential cross-section measurements of $Z\gamma$ production in association with hadronic jets are presented, using the full Run-2 proton-proton dataset of 139 fb$^{-1}$ produced by the LHC at $\sqrt{s}=13~\TeV$ and collected by the ATLAS detector. [...]
ATLAS-CONF-2022-047. - 2022. - 48 p.
Original Communication (restricted to ATLAS) - Full text

2022-07-20
20:36

Study of $Z \to ll\gamma$ decays at $\sqrt{s}$ = 8 TeV in the ATLAS experiment at the LHC
This note presents a study of $Z \to ll\gamma$ decays in the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2022-046. - 2022. - 29 p.
Original Communication (restricted to ATLAS) - Full text

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