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A continuous calibration of the ATLAS flavour-tagging classifiers via optimal transportation maps / ATLAS Collaboration
A calibration of the ATLAS flavour-tagging algorithms using a new calibration procedure based on optimal transportation maps is presented. [...]
arXiv:2505.13063 ; CERN-EP-2025-026. - 2025 - 62.
Fulltext - Previous draft version - Fulltext

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Measurements of $W^+W^-$ production cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Measurements of $W^+W^-\rightarrow e^\pm \nu \mu^\mp \nu$ production cross-sections are presented, providing a test of the predictions of perturbative quantum chromodynamics and the electroweak theory. The measurements are based on data from $pp$ collisions at $\sqrt{s}=13$ TeV recorded by the ATLAS detector at the Large Hadron Collider in 2015-2018, corresponding to an integrated luminosity of 140 fb$^{-1}$. [...]
arXiv:2505.11310; CERN-EP-2025-091.- Geneva : CERN, 2025-08-19 - 62 p. - Published in : JHEP 2508 (2025) 142 Fulltext: ANA-STDM-2020-16-PAPER - PDF; 2505.11310 - PDF; document - PDF; External link: Previous draft version

Detaljerad journal

Measurements of the production cross-sections of a Higgs boson in association with a vector boson and decaying into $WW^\ast$ with the ATLAS detector at $\sqrt{s} = 13$ TeV / ATLAS Collaboration
Measurements of the total and differential Higgs boson production cross-sections, via $WH$ and $ZH$ associated production using $H\rightarrow WW^\ast\rightarrow\ell\nu\ell\nu$ and $H\rightarrow WW^\ast\rightarrow\ell\nu jj$ decays, are presented. The analysis uses proton-proton events delivered by the Large Hadron Collider at a centre-of-mass energy of 13 TeV and recorded by the ATLAS detector between 2015 and 2018. [...]
arXiv:2503.19420; CERN-EP-2025-037.- Geneva : CERN, 2025-08-05 - 76 p. - Published in : JHEP 2508 (2025) 034 Fulltext: ANA-HIGG-2023-09-PAPER - PDF; 2503.19420 - PDF; document - PDF; External link: Previous draft version

Detaljerad journal

Measurement of jet track functions in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Measurements of jet substructure are key to probing the energy frontier at colliders, and many of them use track-based observables which take advantage of the angular precision of tracking detectors. Theoretical calculations of track-based observables require `track functions', which characterize the transverse momentum fraction $r_q$ carried by charged hadrons from a fragmenting quark or gluon. [...]
arXiv:2502.02062; CERN-EP-2024-333.- Geneva : CERN, 2025-06-30 - 24 p. - Published in : Phys. Lett. B 868 (2025) 139680 Fulltext: ANA-STDM-2022-05-PAPER - PDF; 2502.02062 - PDF; document - PDF; External link: Previous draft version

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Differential cross-section measurements of $D^{\pm}$ and $D_{s}^{\pm}$ meson production in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
The production of $D^{\pm}$ and $D_{s}^{\pm}$ charmed mesons is measured using the $D^{\pm}/D_{s}^{\pm} \to \phi(\mu\mu)\pi^{\pm}$ decay channel with 137 fb$^{-1}$ of $\sqrt{s} = 13$ TeV proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider during the years 2016-2018. The charmed mesons are reconstructed in the range of transverse momentum $12 < p_\mathrm{T} < 100$ GeV and pseudorapidity $|\eta| < 2.5$. [...]
arXiv:2412.15742; CERN-EP-2024-322.- Geneva : CERN, 2025-07-04 - 47 p. - Published in : JHEP 2507 (2025) 086 Fulltext: 2412.15742 - PDF; document - PDF; External link: Previous draft version

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Precision measurement of the $B^{0}$ meson lifetime using $B^{0} \rightarrow J/\psi K^{*0}$ decays with the ATLAS detector / ATLAS Collaboration
A measurement of the $B^{0}$ meson lifetime and related properties using $B^0 \to J/\psi K^{*0}$ decays in data from 13 TeV proton-proton collisions with an integrated luminosity of 140 fb$^{-1}$ recorded by the ATLAS detector at the LHC is presented. The measured effective lifetime is $$ \tau = 1.5053 \pm 0.0012 ~\mathrm{(stat.)} \pm 0.0035 ~\mathrm{(syst.)~ps}. [...]
arXiv:2411.09962; CERN-EP-2024-279.- Geneva : CERN, 2025-07-03 - 39 p. - Published in : Eur. Phys. J. C 85 (2025) 736 Fulltext: 2411.09962 - PDF; document - PDF; External link: Previous draft version

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Reconstruction and identification of pairs of collimated $\tau$-leptons decaying hadronically using $\sqrt{s}=13$ TeV $pp$ collision data with the ATLAS detector / ATLAS Collaboration
This paper describes an algorithm for reconstructing and identifying a highly collimated hadronically decaying $\tau$-lepton pair with low transverse momentum. When two $\tau$-leptons are highly collimated, their visible decay products might overlap, degrading the reconstruction performance for each of the $\tau$-leptons. [...]
arXiv:2411.09357; CERN-EP-2024-267.- Geneva : CERN, 2025-05-22 - 49 p. - Published in : Eur. Phys. J. C 85 (2025) 561 Fulltext: 2411.09357 - PDF; document - PDF; External link: Previous draft version

Detaljerad journal

Measurements of $WH$ and $ZH$ production with Higgs boson decays into bottom quarks and direct constraints on the charm Yukawa coupling in $13\,\mathrm{TeV}$ $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A study of the Higgs boson decaying into bottom quarks ($H \to b\bar{b}$) and charm quarks ($H \to c\bar{c}$) is performed, in the associated production channel of the Higgs boson with a $W$ or $Z$ boson, using $140\,\mathrm{fb}^{-1}$ of proton-proton collision data at $\sqrt{s} = 13\,\mathrm{TeV}$ collected by the ATLAS detector. The individual production of $WH$ and $ZH$ with $H \to b\bar{b}$ is established with observed (expected) significances of $5.3$ ($5.5$) and $4.9$ ($5.6$). [...]
arXiv:2410.19611; CERN-EP-2024-237.- Geneva : CERN, 2025-04-10 - 68 p. - Published in : JHEP 2504 (2025) 075 Fulltext: 2410.19611 - PDF; document - PDF; External link: Previous draft version

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Search for supersymmetry in final states with missing transverse momentum and charm-tagged jets using 139 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}=$ 13 TeV with the ATLAS detector / ATLAS Collaboration
The paper presents a search for supersymmetric particles produced in proton-proton collisions at $\sqrt{s}=$ 13 TeV and decaying into final states with missing transverse momentum and jets originating from charm quarks. The data were taken with the ATLAS detector at the Large Hadron Collider at CERN from 2015 to 2018 and correspond to an integrated luminosity of 139 fb$^{-1}$. [...]
arXiv:2410.17824; CERN-EP-2024-218.- Geneva : CERN, 2025-02-27 - 53 p. - Published in : JHEP 2502 (2025) 193 Fulltext: 2410.17824 - PDF; document - PDF; External link: Previous draft version

Detaljerad journal

10.

Search for displaced leptons in $\sqrt{s}=13$ TeV and $13.6$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search for leptons displaced from the primary vertex is performed with the ATLAS detector at the Large Hadron Collider. The search includes the full proton-proton collision dataset collected during Run 2 at $\sqrt{s}=13$ TeV and a partial dataset collected during Run 3 in 2022-2023 at $\sqrt{s}=13.6$ TeV, corresponding to integrated luminosities of 140 fb$^{-1}$ and 56.3 fb$^{-1}$, respectively. [...]
arXiv:2410.16835; CERN-EP-2024-257.- Geneva : CERN, 2025-07-01 - 49 p. - Published in : Phys. Rev. D 112 (2025) 012016 Fulltext: PDF; External link: Previous draft version

Detaljerad journal

Se också: liknande författarnamn
2	Andrean, S Y
460	Andrean, Stefio Yosse

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