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ATLAS Preprints

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2026-03-16
11:14
Reinterpretation of searches for supersymmetry in models with variable R-parity-violating coupling strength using the full ATLAS Run 2 dataset
A collection of thirteen ATLAS searches for supersymmetry (SUSY) models, optimized for R-parity-conserving (RPC) and R-parity-violating (RPV) SUSY, are reinterpreted in SUSY models with variable RPV coupling strength, which determines whether the lightest supersymmetric particle decays promptly or is long-lived. [...]
CERN-EP-2026-054. - 2026
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2026-03-16
08:31
Search for Higgs boson pair production in association with top-quark pairs using 196 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=$ 13 and 13.6 TeV with the ATLAS detector
This paper presents the first search for non-resonant Higgs boson pair production in association with a top-quark pair ($t\bar{t}HH$) using proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider. [...]
CERN-EP-2026-045. - 2026
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2026-03-13
07:25
Overview of ATLAS forward proton detectors for LHC Run 3 and plans for the HL-LHC / Patel, Pragati (Cracow, INP)
2022 - 5.
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2026-03-13
07:25
Searches for resonances decaying to pairs of heavy bosons in ATLAS / Palazzo, Alessandra (INFN, Lecce ; U. Salento, Lecce (main))
Many new physics models predict the existence of Higgs-like particles decaying into two bosons (W, Z, photon, or Higgs boson) making these important signatures in the search for new physics. [...]
2022 - 5.
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2026-03-13
07:25
Search for displaced decays of long-lived particles in events with missing transverse momentum in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search for long-lived particles in events with significant missing transverse momentum and at least one displaced vertex is presented. [...]
arXiv:2603.12051 ; CERN-EP-2026-052. - 2026 - 58.
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2026-03-09
16:41
Search for long-lived charginos and $\tau$-sleptons using final states with a disappearing track in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper reports a search for decays of long-lived charginos or $\tau$-sleptons to final states containing a short disappearing track, a single high-energy jet, and missing transverse momentum. [...]
arXiv:2603.08315 ; CERN-EP-2026-044. - 2026 - 54.
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2026-03-09
16:21
Search for decays of the Higgs boson into pair-produced pseudoscalar particles decaying into $\tau^+\tau^-\tau^+\tau^-$ using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for a pair of low-mass pseudoscalars $a$ that promptly decay into $\tau$-leptons is presented using 140 fb$^{-1}$ of proton-proton collision data at $13$ TeV centre-of-mass energy recorded with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2603.08323 ; CERN-EP-2026-026. - 2026 - 33.
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2026-03-02
17:03
Search for massive, long-lived particles in events with displaced vertices and displaced muons in $pp$ collisions at $\sqrt{s}=13.6$ TeV with the ATLAS experiment / ATLAS Collaboration
A search is presented for massive long-lived particles in events featuring at least one displaced vertex and at least one displaced muon, using proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider from 2022 to 2024 at a centre-of-mass energy of 13.6 TeV. [...]
arXiv:2603.01991 ; CERN-EP-2026-031. - 2026 - 43.
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2026-02-27
14:53
Combination of ATLAS and CMS searches for Higgs boson pair production at $\sqrt{s} = 13$ TeV / ATLAS Collaboration
This Letter presents a combination of searches for Higgs boson pair (HH) production performed by the ATLAS and CMS Collaborations using proton-proton collision data sets recorded at $\sqrt{s} = 13$ TeV during the Large Hadron Collider Run 2, corresponding to integrated luminosities ranging between 126 and 140 $\mathrm{fb^{-1}}$. [...]
arXiv:2602.23991 ; CERN-EP-2026-011. - 2026 - 50.
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2026-02-19
08:29
Evidence of $ZZ\gamma$ production with the ATLAS detector / ATLAS Collaboration
This paper presents the first evidence of the simultaneous production of two $Z$ bosons and one photon with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2602.17165 ; CERN-EP-2026-038. - 2026 - 29.
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