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CERN Document Server Sök i 382 journaler efter:  börjaföregående283 - 292nästaslut  gå till journal: Sökningen tog 0.87 sekunder. 
283.
Search for leptoquark pair production decaying into $te^- \bar{t}e^+$ or $t\mu ^- \bar{t}\mu ^+$ in multi-lepton final states in pp collisions at $\sqrt{s} = 13\,\textrm{TeV}$ with the ATLAS detector / ATLAS Collaboration
A search for leptoquark pair production decaying into $te^- \bar{t}e^+$ or $t\mu^- \bar{t}\mu^+$ in final states with multiple leptons is presented. The search is based on a dataset of $pp$ collisions at $\sqrt{s}$=13 TeV recorded with the ATLAS detector during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb$^{-1}$. [...]
arXiv:2306.17642; CERN-EP-2023-087.- Geneva : CERN, 2024-08-14 - 61 p. - Published in : Eur. Phys. J. C 84 (2024) 818 Fulltext: 2306.17642 - PDF; document - PDF; External link: Previous draft version
Detaljerad journal
284.
Fast b-tagging at the high-level trigger of the ATLAS experiment in LHC Run 3 / ATLAS Collaboration
The ATLAS experiment relies on real-time hadronic jet reconstruction and $b$-tagging to record fully hadronic events containing $b$-jets. These algorithms require track reconstruction, which is computationally expensive and could overwhelm the high-level-trigger farm, even at the reduced event rate that passes the ATLAS first stage hardware-based trigger. [...]
arXiv:2306.09738; CERN-EP-2023-111.- 2023-11-10 - 37 p. - Published in : JINST 18 (2023) P11006 Fulltext: 2306.09738 - PDF; document - PDF;
Detaljerad journal
285.
Measurement of the $H \to \gamma \gamma$ and $H \to ZZ^* \to 4 \ell$ cross-sections in $pp$ collisions at $\sqrt{s}=13.6$ TeV with the ATLAS detector / ATLAS Collaboration
The inclusive Higgs boson production cross-section is measured in the di-photon and the $ZZ^* \to 4 \ell$ decay channels using 31.4 and 29.0 fb$^{-1}$ of $pp$ collision data respectively, collected with the ATLAS detector at a centre-of-mass energy of $\sqrt{s}=13.6$ TeV. To reduce the model dependence, the measurement in each channel is restricted to a particle-level phase space that closely matches the channel's detector-level kinematic selection, and it is corrected for detector effects. [...]
arXiv:2306.11379; CERN-EP-2023-114.- Geneva : CERN, 2024-01-24 - 34 p. - Published in : Eur. Phys. J. C 84 (2024) 78 Fulltext: 2306.11379 - PDF; Publication - PDF; document - PDF; External link: Previous draft version
Detaljerad journal
286.
Search for dark photons in rare $Z$ boson decays with the ATLAS detector / ATLAS Collaboration
A search for events with a dark photon produced in association with a dark Higgs boson via rare decays of the Standard Model $Z$ boson is presented, using 139 fb$^{-1}$ of $\sqrt{s} = 13$ TeV proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider. The dark Higgs boson decays into a pair of dark photons, and at least two of the three dark photons must each decay into a pair of electrons or muons, resulting in at least two same-flavor opposite-charge lepton pairs in the final state. [...]
arXiv:2306.07413; CERN-EP-2023-107.- Geneva : CERN, 2023-12-18 - 23 p. - Published in : Phys. Rev. Lett. 131 (2023) 251801 Fulltext: 2306.07413 - PDF; ATLAS-CONF-2023-016 - PDF; Publication - PDF; External link: Previous draft version
Detaljerad journal
287.
Anomaly detection search for new resonances decaying into a Higgs boson and a generic new particle $X$ in hadronic final states using $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search is presented for a heavy resonance $Y$ decaying into a Standard Model Higgs boson $H$ and a new particle $X$ in a fully hadronic final state. The full Large Hadron Collider Run 2 dataset of proton-proton collisions at $\sqrt{s}= 13$ TeV collected by the ATLAS detector from 2015 to 2018 is used, and corresponds to an integrated luminosity of 139 fb$^{-1}$. [...]
arXiv:2306.03637; CERN-EP-2023-045.- Geneva : CERN, 2023-09 - 33 p. - Published in : Phys. Rev. D 108 (2023) 052009 Fulltext: 2306.03637 - PDF; Publication - PDF; External link: Previous draft version
Detaljerad journal
288.
Combination and summary of ATLAS dark matter searches interpreted in a 2HDM with a pseudo-scalar mediator using 139 fb$^{-1}$ of $\sqrt{s} = 13$ TeV $pp$ collision data / ATLAS Collaboration
Results from a wide range of searches targeting different experimental signatures with and without missing transverse momentum ($E_{\mathrm{T}}^{\mathrm{miss}}$) are used to constrain a Two-Higgs-Doublet Model (2HDM) with an additional pseudo-scalar mediating the interaction between ordinary and dark matter (2HDM+$a$). The analyses use up to 139 fb$^{-1}$ of proton-proton collision data at a centre-of-mass energy $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider between 2015-2018. [...]
arXiv:2306.00641; CERN-EP-2023-088.- Geneva : CERN, 2024-07-03 - 31 p. - Published in : Sci. Bull. 69 (2024) 3005-3035 Fulltext: 2306.00641 - PDF; Publication - PDF; External link: Previous draft version
Detaljerad journal
289.
Measurement of the cross-sections of the electroweak and total production of a $Z \gamma$ pair in association with two jets in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
This Letter presents the measurement of the fiducial and differential cross-sections of the electroweak production of a $Z \gamma$ pair in association with two jets. The analysis uses 140 fb$^{-1}$ of LHC proton-proton collision data taken at $\sqrt{s}$=13 TeV recorded by the ATLAS detector during the years 2015-2018. [...]
arXiv:2305.19142; CERN-EP-2023-098.- Geneva : CERN, 2023-10-04 - 30 p. - Published in : Phys. Lett. B 846 (2023) 138222 Fulltext: 2305.19142 - PDF; Publication - PDF; External link: Previous draft version
Detaljerad journal
290.
Search for non-resonant production of semi-visible jets using Run 2 data in ATLAS / ATLAS Collaboration
Semi-visible jets, with a significant contribution to the event's missing transverse momentum, can arise in strongly interacting dark sectors. This results in an event topology where one of the jets can be aligned with the direction of the missing transverse momentum [...]
arXiv:2305.18037; CERN-EP-2023-084.- Geneva : CERN, 2023-11-11 - 23 p. - Published in : Phys. Lett. B 848 (2024) 138324 Fulltext: 2305.18037 - PDF; Publication - PDF; External link: Previous draft version
Detaljerad journal
291.
Measurement of the intrinsic hadronic contamination in the NA64<math altimg="si2.svg" display="inline" id="d1e670"><mrow><mo>−</mo><mi>e</mi></mrow></math> high-purity <math altimg="si3.svg" display="inline" id="d1e678"><mrow><msup><mrow><mi>e</mi></mrow><mrow><mo>+</mo></mrow></msup><mo>/</mo><msup><mrow><mi>e</mi></mrow><mrow><mo>−</mo></mrow></msup></mrow></math> beam at CERN / Andreev, Yu.M. (Unlisted) ; Banerjee, D. (CERN) ; Oberhauser, B. Banto (Zurich, ETH) ; Bernhard, J. (CERN) ; Bisio, P. (INFN, Genoa ; Genoa U.) ; Bondí, M. (INFN, Catania) ; Celentano, A. (INFN, Genoa) ; Charitonidis, N. (CERN) ; Chumakov, A.G. (Unlisted) ; Cooke, D. (University Coll. London) et al.
In this study, we present the measurement of the intrinsic hadronic contamination at the CERN SPS H4 beamline configured to transport electrons and positrons at 100 GeV/c momentum. The analysis was performed using data collected by the NA64-$e$ experiment in 2022. [...]
arXiv:2305.19411; CERN-EP-2023-108.- Geneva : CERN, 2023-10-12 - 8 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1057 (2023) 168776 Draft (restricted): PDF; Fulltext: CERN-EP-2023-108 - PDF; 2305.19411 - PDF; Publication - PDF;
Detaljerad journal
292.
Observation of <math display="inline"><mi>W</mi><mi>Z</mi><mi>γ</mi></math> Production in <math display="inline"><mi>p</mi><mi>p</mi></math> Collisions at <math display="inline"><msqrt><mi>s</mi></msqrt><mo>=</mo><mn>13</mn><mtext> </mtext><mtext> </mtext><mi>TeV</mi></math> with the ATLAS Detector / ATLAS Collaboration
This Letter reports the observation of $WZ\gamma$ production and a measurement of its cross-section using $140.1 \pm 1.2~\textrm{fb}^{-1}$ of proton-proton collision data recorded at a center-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. The $WZ\gamma$ production cross-section, with both the $W$ and $Z$ bosons decaying leptonically, $pp \rightarrow WZ\gamma \rightarrow {\ell'}^{\pm}\nu\ell^{+}\ell^{-}\gamma$ ($\ell^{(')} = e, \mu$), is measured in a fiducial phase-space region defined such that the leptons and the photon have high transverse momentum and the photon is isolated. [...]
arXiv:2305.16994; CERN-EP-2023-095.- Geneva : CERN, 2024-01-12 - 21 p. - Published in : Phys. Rev. Lett. 132 (2024) 021802 Fulltext: 2305.16994 - PDF; Publication - PDF; External link: Previous draft version
Detaljerad journal

CERN Document Server : Sök i 382 journaler efter:   börjaföregående283 - 292nästaslut  gå till journal:
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