ATLAS Conference Notes

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2023-09-19
14:38

Jet radius dependence of dijet momentum balance in Pb+Pb collisions at 5.02 TeV with the ATLAS detector
This note describes a measurement of the jet radius dependence of the momentum balance between leading back-to-back dijets in 1.7~\inb\ of Pb+Pb collisions collected in 2018 and 260~\ipb\ of pp collisions collected in 2017 by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2023-060. - 2023. - 27 p.
Original Communication (restricted to ATLAS) - Full text

2023-09-19
14:37

Charged-hadron yield measurements in photo-nuclear collisions using 5.02 TeV Pb+Pb data with ATLAS
This note presents the analysis of charged-hadron measurements in photo-nuclear collisions using 1.73 $\mathrm{nb^{-1}}$ of 5.02 TeV Pb+Pb data collected in 2018 by ATLAS. [...]
ATLAS-CONF-2023-059. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-09-13
10:03

A search for top-squark pair production, in final states containing a $t$-quark, $c$-quark and missing transverse momentum, using the full Run 2 dataset collected by the ATLAS detector
This paper presents a search for top-squark pair production in final states with a top quark, charm quark and missing transverse momentum using a dataset collected with the ATLAS detector during LHC Run 2, corresponding to an integrated luminosity of 139 fb$^{-1}$ at a centre-of-mass energy of $\sqrt{s} = 13$ TeV proton-proton collisions. [...]
ATLAS-CONF-2023-058. - 2023. - 27 p.
Original Communication (restricted to ATLAS) - Full text

2023-09-13
10:01

Determining the relative sign of the Higgs boson couplings to $W$ and $Z$ bosons using VBF $WH$ production with the ATLAS detector
Associated production of Higgs and $𝑊$ bosons via vector boson fusion (VBF) offers sensitivity to the relative sign of the Higgs boson couplings to $𝑊$ and $𝑍$ bosons. [...]
ATLAS-CONF-2023-057. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-09-13
10:00

Search for the exclusive $W$ boson hadronic decays $W^{\pm}\to\pi^{\pm}\gamma$, $W^{\pm}\to K^{\pm}\gamma$ and $W^{\pm}\to\rho^{\pm}\gamma$ with the ATLAS detector
A search for the exclusive hadronic decays $W^{\pm}\to \pi^{\pm}\gamma$, $W^{\pm}\to K^{\pm}\gamma$ and $W^{\pm}\to \rho^{\pm}\gamma$ is performed using up to $140\, \text{fb}^{-1}$ of proton-proton collisions recorded with the ATLAS detector at a center-of-mass energy of $\sqrt{s}=13\,\text{TeV}$. [...]
ATLAS-CONF-2023-056. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-09-13
09:59

ATLAS Run 2 searches for electroweak production of supersymmetric particles interpreted within the pMSSM
A summary of the constraints from searches performed by the ATLAS experiment for the electroweak production of charginos and neutralinos is presented. [...]
ATLAS-CONF-2023-055. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-09-13
09:58

Search for the quark-gluon plasma diffusion wake via measurements of jet-hadron correlations in photon-jet events in Pb+Pb and pp collisions at sqrt(s_NN) = 5.02 TeV with the ATLAS detector
This note describes the measurement of jet-hadron correlations in photon-jet events, using 1.73 nb−1 of Pb+Pb data and 260 pb−1 of pp data, both taken at sqrt(s_{NN}) = 5.02 TeV with the ATLAS detector in 2018 and 2017, respectively. [...]
ATLAS-CONF-2023-054. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-09-13
09:50

Measurement of the Z boson invisible width at $\sqrt{s}=13$ TeV with the ATLAS detector
A measurement of the invisible width of the \ZBoson\ using events with jets and missing transverse momentum, \MET, is presented using 37 \ifb of 13 \TeV\ proton-proton data collected by the ATLAS detector in 2015 and 2016. [...]
ATLAS-CONF-2023-053. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-09-13
09:19

Interpretations of the ATLAS measurements of Higgs boson production and decay rates and differential cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV
Measurements of the Higgs boson production and decay rates and differential cross-sections have recently been performed by the ATLAS experiment in several decay channels using up to 139 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=13$ TeV recorded at the Large Hadron Collider. [...]
ATLAS-CONF-2023-052. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-09-13
09:18

Search for light long-lived neutral particles from Higgs boson decays via vector-boson-fusion production from $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
This paper describes a search for displaced dark photons with masses between 0.1 GeV and 15 GeV, from exotics decays of Higgs bosons produced via vector-boson-fusion. [...]
ATLAS-CONF-2023-051. - 2023.
Original Communication (restricted to ATLAS) - Full text

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