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ATLAS Conference Notes

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2024-04-02
13:48
Search for non-resonant Higgs boson pair production in final states with leptons, taus and photons in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search is presented for non-resonant Higgs boson pair production, targeting the 4$V$ ($V$ = $W$ or $Z$), $VV\tau\tau$, 4$\tau$, $\gamma\gamma VV$ and $\gamma\gamma\tau\tau$ decay channels. [...]
ATLAS-CONF-2024-005. - 2024.
Original Communication (restricted to ATLAS) - Full text

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2024-03-27
17:21
Search for dark matter produced in association with a dark Higgs boson in the $b\bar{b}$ final state using $\sqrt{s}=13$ TeV collisions recorded with the ATLAS detector
A first dedicated search is performed for dark matter particles produced in association with a resonantly produced pair of b-quarks with $m_{bb} < 150$ GeV using 140 fb$^{-1}$ of proton-proton collisions recorded by the ATLAS detector at a center-of-mass energy of 13 TeV. [...]
ATLAS-CONF-2024-004. - 2024.
Original Communication (restricted to ATLAS) - Full text

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2024-03-22
08:55
Search for pair production of boosted Higgs bosons via vector-boson fusion production in the $b\bar{b}b\bar{b}$ final state using $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for Higgs boson ($H$) pair production via vector boson fusion (VBF) is performed in the Lorentz-boosted regime, where a Higgs boson candidate is reconstructed as a single large-radius jet, using 140 fb$^{-1}$ of proton-proton collision data at 13 TeV recorded by the ATLAS detector. [...]
ATLAS-CONF-2024-003. - 2024.
Original Communication (restricted to ATLAS) - Full text

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2024-03-17
16:00
Search for top-quark-associated production of heavy scalar or pseudoscalar in $pp$ collisions at 13 TeV
This note presents the search for a heavy scalar ($H$) or pseudo-scalar ($A$) predicted by the Two-Higgs-Doublet-Model (2HDM). [...]
ATLAS-CONF-2024-002. - 2024.
Original Communication (restricted to ATLAS) - Full text - Full text

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2024-03-17
15:57
Search for heavy neutral Higgs bosons decaying to a top quark pair in 140 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=13$ TeV
A search for heavy pseudo-scalar ($A$) and scalar ($H$) Higgs bosons decaying into a top quark pair ($t\bar{t}$) has been performed with 140 fb$^{-1}$ of proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a center-of-mass energy of $\sqrt{s}=13$ TeV. [...]
ATLAS-CONF-2024-001. - 2024.
Original Communication (restricted to ATLAS) - Full text

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2023-11-26
08:25
Search for the non-resonant production of Higgs boson pairs via gluon fusion and vector-boson fusion in the $b\bar{b}\tau^+\tau^-$ final state in proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for the non-resonant production of Higgs boson pairs in the $HH\rightarrow b\bar{b}\tau^+\tau^-$ channel is performed using 140~fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of $13$~TeV recorded by the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2023-071. - 2023. - 28 p.
Original Communication (restricted to ATLAS) - Full text

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2023-10-24
09:51
Search for pair-production of vector-like quarks in lepton+jets final states containing at least one $b$-jet using the Run 2 data from the ATLAS experiment
A search is presented for the pair-production of heavy vector-like quarks in the lepton+jets final state using 140 fb$^{-1}$ of proton–proton collision data with $\sqrt{s}= 13$ TeV collected with the ATLAS detector. [...]
ATLAS-CONF-2023-070. - 2023.
Original Communication (restricted to ATLAS) - Full text

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2023-10-18
13:13
Observation of quantum entanglement in top-quark pair production using $pp$ collisions of $\sqrt{s} = 13$~\TeV\ with the ATLAS detector
We report the highest-energy observation of entanglement so far in top--antitop quark events produced at the Large Hadron Collider, using a proton$-$proton collision data set with a centre-of-mass energy of $\sqrt{s}=13$ TeV and an integrated luminosity of 140 fb$^{-1}$. [...]
ATLAS-CONF-2023-069. - 2023.
Original Communication (restricted to ATLAS) - Full text

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2023-10-02
20:59
Measurement of differential cross sections in $t\bar t$ and $t\bar t+$jets production in the lepton+jets decay mode in $pp$ collisions at $\sqrt s=$ 13 TeV using 140 fb$^{-1}$ of ATLAS data
Differential cross sections for top-quark pair production, inclusively and in association with jets, are measured in $pp$ collisions at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 140 fb$^{-1}$. [...]
ATLAS-CONF-2023-068. - 2023. - 61 p.
Original Communication (restricted to ATLAS) - Full text

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2023-10-02
20:15
Measurement of high-momentum Higgs boson production in association with a vector boson in the qqbb final state with the ATLAS detector
This note presents a measurement of Higgs boson production in association with a vector boson (V = W or Z) in the fully hadronic qqbb final state using data recorded by the ATLAS detector at the LHC in proton–proton collisions at √s = 13 TeV and corresponding to an integrated luminosity of 137 fb−1. [...]
ATLAS-CONF-2023-067. - 2023.
Original Communication (restricted to ATLAS) - Full text

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