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CERN Document Server 382 Datensätze gefunden  Anfangvorherige273 - 282nächsteEnde  gehen zum Datensatz: Die Suche hat 1.10 Sekunden gedauert. 
273.
Measurement of the $B_s^0 \to \mu\mu$ Effective Lifetime with the ATLAS Detector / ATLAS Collaboration
This paper reports the first ATLAS measurement of the $B_s^0 \to \mu\mu$ effective lifetime. The measurement is based on the data collected in 2015-2016, amounting to 26.3 fb$^{-1}$ of 13 TeV LHC proton-proton collisions. [...]
arXiv:2308.01171; CERN-EP-2023-139.- Geneva : CERN, 2023-09-28 - 32 p. - Published in : JHEP 2309 (2023) 199 Fulltext: 2308.01171 - PDF; document - PDF; External link: Previous draft version
274.
Search for heavy Higgs bosons with flavour-violating couplings in multi-lepton plus b-jets final states in pp collisions at 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for new heavy scalars with flavour-violating decays in final states with multiple leptons and $b$-tagged jets is presented. The results are interpreted in terms of a general two-Higgs-doublet model involving an additional scalar with couplings to the top-quark and the three up-type quarks ($\rho_{tt}$, $\rho_{tc}$, and $\rho_{tu}$). [...]
arXiv:2307.14759; CERN-EP-2023-040.- Geneva : CERN, 2023-12-12 - 66 p. - Published in : JHEP 2312 (2023) 081 Fulltext: 2307.14759 - PDF; document - PDF; External link: Previous draft version
275.
Pursuit of paired dijet resonances in the Run 2 dataset with ATLAS / ATLAS Collaboration
New particles with large masses that decay into hadronically interacting particles are predicted by many models of physics beyond the Standard Model. A search for a massive resonance that decays into pairs of dijet resonances is performed using 140 fb-1 of proton-proton collisions at $\sqrt(s)$=13 TeV recorded by the ATLAS detector during Run 2 of the Large Hadron Collider. [...]
arXiv:2307.14944; CERN-EP-2023-147.- Geneva : CERN, 2023-12-01 - 30 p. - Published in : Phys. Rev. D 108 (2023) 112005 Fulltext: Publication - PDF; 2307.14944 - PDF; External link: Previous draft version
276.
Search for a new heavy scalar particle decaying into a Higgs boson and a new scalar singlet in final states with one or two light leptons and a pair of $\tau$-leptons with the ATLAS detector / ATLAS Collaboration
A search for a new heavy scalar particle $X$ decaying into a Standard Model (SM) Higgs boson and a new singlet scalar particle $S$ is presented. The search uses a proton--proton ($pp$) collision data sample with an integrated luminosity of 140 fb$^{-1}$ recorded at a centre-of-mass energy of $\sqrt{s} = 13$~TeV with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2307.11120; CERN-EP-2023-125.- Geneva : CERN, 2023-10-03 - 46 p. - Published in : JHEP 2310 (2023) 009 Fulltext: 2307.11120 - PDF; document - PDF; External link: Previous draft version
277.
Search for lepton-flavour violation in high-mass dilepton final states using 139 $\mathrm{fb}^{-1}$ of $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is performed for a heavy particle decaying into different-flavour, dilepton final states, using 139 $\mathrm{fb}^{-1}$ of proton--proton collision data at $\sqrt{s}=13$ TeV collected in 2015--2018 by the ATLAS detector at the Large Hadron Collider. Final states with electrons, muons and hadronically decaying tau leptons are considered ($e\mu$, $e\tau$ or $\mu\tau$). [...]
arXiv:2307.08567; CERN-EP-2023-089.- Geneva : CERN, 2023-10-13 - 50 p. - Published in : JHEP 2023 (2020) 082 Fulltext: 2307.08567 - PDF; Publication - PDF; document - PDF; External link: Previous draft version
278.
Search for singly produced vector-like top partners in multilepton final states with 139 $\mathrm{fb}^{-1}$ of $pp$ collision data at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for the single production of a vector-like top partner ($T$) decaying into a $Z$ boson and a top quark is presented, using the full Run 2 dataset corresponding to 139 $\mathrm{fb}^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV, collected in 2015-2018 with the ATLAS detector at the Large Hadron Collider. The targeted final state is characterized by the presence of a pair of electrons or muons with opposite-sign charges which form a $Z$-boson candidate, as well as by the presence of $b$-tagged jets and forward jets. [...]
arXiv:2307.07584; CERN-EP-2023-074.- Geneva : CERN, 2024-06-01 - 34 p. - Published in : Phys. Rev. D 109 (2024) 112012 Fulltext: PDF; External link: Previous draft version
279.
Performance and calibration of quark/gluon jet taggers using 140 fb$^{-1}$ of pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
The identification of jets initiated from quarks or gluons, often referred to as quark/gluon tagging, plays an important role in various physics analyses at the Large Hadron Collider. This paper describes the measurement of the efficiencies of quark/gluon taggers developed within the ATLAS collaboration, using $\sqrt{s} = 13$ TeV proton-proton collision data with an integrated luminosity of 140 fb$^{-1}$ collected by the ATLAS experiment. [...]
arXiv:2308.00716; CERN-EP-2023-151.- Geneva : CERN, 2024-01 - 25 p. - Published in : Chin. Phys. C 48 (2024) 023001 Fulltext: JETM-2020-02-002 - PDF; 2308.00716 - PDF; Publication - PDF; document - PDF; External link: Previous draft version
280.
Search for Light Dark Matter with NA64 at CERN / NA64 Collaboration
Thermal dark matter models with particle $\chi$ masses below the electroweak scale can provide an explanation for the observed relic dark matter density. This would imply the existence of a new feeble interaction between the dark and ordinary matter. [...]
arXiv:2307.02404; CERN-EP-2023-130.- 2023-10-16 - 7 p. - Published in : Phys. Rev. Lett. 131 (2023) 161801 Fulltext: 2307.02404 - PDF; Publication - PDF;
281.
Search for New Phenomena in Two-Body Invariant Mass Distributions Using Unsupervised Machine Learning for Anomaly Detection at <math display="inline"><mrow><msqrt><mrow><mi>s</mi></mrow></msqrt><mo>=</mo><mn>13</mn><mtext> </mtext><mtext> </mtext><mi>TeV</mi></mrow></math> with the ATLAS Detector / ATLAS Collaboration
Searches for new resonances are performed using an unsupervised anomaly-detection technique. Events with at least one electron or muon are selected from 140 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV recorded by ATLAS at the Large Hadron Collider. [...]
arXiv:2307.01612; CERN-EP-2023-112.- Geneva : CERN, 2024-02-20 - 23 p. - Published in : Phys. Rev. Lett. 132 (2024) 081801 Fulltext: 2307.01612 - PDF; Publication - PDF; External link: Previous draft version
282.
Search for pair production of squarks or gluinos decaying via sleptons or weak bosons in final states with two same-sign or three leptons with the ATLAS detector / ATLAS Collaboration
A search for pair production of squarks or gluinos decaying via sleptons or weak bosons is reported. The search targets a final state with exactly two leptons with same-sign electric charge or at least three leptons without any charge requirement. [...]
arXiv:2307.01094; CERN-EP-2023-123.- Geneva : CERN, 2024-02-15 - 53 p. - Published in : JHEP 2402 (2024) 107 Fulltext: 2307.01094 - PDF; document - PDF; External link: Previous draft version

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