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CERN Document Server 2,049 záznamov nájdených  1 - 10ďalšíkoniec  skoč na záznam: Hľadanie trvalo 8.82 sekúnd. 
1.
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Evidence for the charge asymmetry in $pp \rightarrow t\bar{t}$ production at $\sqrt{s}= 13$ TeV with the ATLAS detector / ATLAS Collaboration
Inclusive and differential measurements of the top-antitop ($t\bar{t}$) charge asymmetry $A_\text{C}^{t\bar{t}}$ and the leptonic asymmetry $A_\text{C}^{\ell\bar{\ell}}$ are presented in proton-proton collisions at $\sqrt{s} = 13$ TeV recorded by the ATLAS experiment at the CERN Large Hadron Collider. The measurement uses the complete Run 2 dataset, corresponding to an integrated luminosity of 139 fb$^{-1}$, combines data in the single-lepton and dilepton channels, and employs reconstruction techniques adapted to both the resolved and boosted topologies. [...]
arXiv:2208.12095; CERN-EP-2022-166.- Geneva : CERN, 2023-08-16 - 68 p. - Published in : JHEP 2308 (2023) 077 Fulltext: document - PDF; 2208.12095 - PDF; External link: Previous draft version
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2.
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Amplitude analysis of the $D^+ \to \pi^-\pi^+\pi^+$ decay and measurement of the $\pi^-\pi^+$ S-wave amplitude / LHCb Collaboration
An amplitude analysis of the $D^+ \to \pi^- \pi^+ \pi^+$ decay is performed with a sample corresponding to 1.5 $\rm fb^{-1}$ of integrated luminosity of $pp$ collisions at a centre-of-mass energy $\sqrt{s}=8$\tev collected by the LHCb detector in 2012. The sample contains approximately six hundred thousand candidates with a signal purity of $95\%$. [...]
arXiv:2208.03300; LHCb-PAPER-2022-016; CERN-EP-2022-136; LHCB-PAPER-2022-016.- Geneva : CERN, 2023-06-09 - 21 p. - Published in : JHEP 2306 (2023) 044 Fulltext: 2208.03300 - PDF; LHCb-PAPER-2022-016 - PDF; Publication - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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3.
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Observation of the $B^+ \rightarrow J/\psi \eta^{\prime} K^+$ decay / LHCb Collaboration
The $B^+ \rightarrow J/\psi \eta^{\prime} K^+$ decay is observed for the first time using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8, and 13TeV, corresponding to a total integrated luminosity of 9fb$^{-1}$. The branching fraction of this decay is measured relative to the known branching fraction of the $B^+ \rightarrow \psi(2S) K^+$ decays and found to be $$ \frac{\mathcal{B}( B^+ \rightarrow J/\psi \eta^{\prime}K^+)} {\mathcal{B}( B^+ \rightarrow \psi(2S)K^+) } = \left(4.91\pm 0.47\pm0.29\pm0.07\right)\times10^{-2}, $$ where the first uncertainty is statistical, the second is systematic and the third is related to external branching fractions. [...]
arXiv:2303.09443; LHCb-PAPER-2022-054; CERN-EP-2023-022.- Geneva : CERN, 2023-08-25 - 19 p. Fulltext: Publication - PDF; 2303.09443 - PDF; Erratum - PDF; Related data file(s): ZIP;
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4.
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Combination of inclusive top-quark pair production cross-section measurements using ATLAS and CMS data at $\sqrt{s}= 7$ and 8 TeV / ATLAS Collaboration
A combination of measurements of the inclusive top-quark pair production cross-section performed by ATLAS and CMS in proton-proton collisions at centre-of-mass energies of 7 and 8 TeV at the LHC is presented. The cross-sections are obtained using top-quark pair decays with an opposite-charge electron-muon pair in the final state and with data corresponding to an integrated luminosity of about 5 fb$^{-1}$ at $\sqrt{s}=7$ TeV and about 20 fb$^{-1}$ at $\sqrt{s}=8$ TeV for each experiment. [...]
arXiv:2205.13830; CERN-EP-2021-222; CMS-TOP-18-014; CERN-LPCC-2022-03.- 2023-07-27 - 59 p. - Published in : JHEP 2307 (2023) 213 Fulltext: PDF; Fulltext from Publisher: PDF; External link: Previous draft version
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5.
(81)
Measurement of the total and differential Higgs boson production cross-sections at $\sqrt{s} = 13$ TeV with the ATLAS detector by combining the $H \rightarrow ZZ^* \rightarrow 4\ell$ and $H \rightarrow \gamma \gamma$ decay channels / ATLAS Collaboration
The total and differential Higgs boson production cross-sections are measured through a joint analysis of the $H \rightarrow ZZ^* \rightarrow 4\ell$ and $H \rightarrow \gamma \gamma$ decays. The results are based on a dataset of 139 fb$^{-1}$ of proton$-$proton collisions recorded by the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 13 TeV. [...]
arXiv:2207.08615; CERN-EP-2022-143.- Geneva : CERN, 2023-05-04 - 42 p. - Published in : JHEP 2305 (2023) 028 Fulltext: document - PDF; 2207.08615 - PDF; External link: Previous draft version
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6.
(81)
A search for new resonances in multiple final states with a high transverse momentum $Z$ boson in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A generic search for resonances is performed with events containing a $Z$ boson with transverse momentum greater than 100 GeV, decaying into $e^+e^-$ or $\mu^+\mu^-$. The analysed data collected with the ATLAS detector in proton-proton collisions at a centre-of-mass energy of 13 TeV at the Large Hadron Collider correspond to an integrated luminosity of 139 fb$^{-1}$. [...]
arXiv:2209.15345; CERN-EP-2022-180.- Geneva : CERN, 2023-06-07 - 39 p. - Published in : JHEP 2306 (2023) 036 Fulltext: 2209.15345 - PDF; document - PDF; External link: Previous draft version
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7.
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Search for heavy resonances decaying into a $Z$ or $W$ boson and a Higgs boson in final states with leptons and $b$-jets in $139$ fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This article presents a search for new resonances decaying into a $Z$ or $W$ boson and a $125$ GeV Higgs boson $h$, and it targets the $\nu\bar{\nu}b\bar{b}$, $\ell^+\ell^-b\bar{b}$, or $\ell^{\pm}{\nu}b\bar{b}$ final states, where $\ell=e$ or $\mu$, in proton-proton collisions at $\sqrt{s}=$13 TeV. The data used correspond to a total integrated luminosity of 139 fb$^{-1}$ collected by the ATLAS detector during Run 2 of the LHC at CERN. [...]
arXiv:2207.00230; CERN-EP-2022-115.- Geneva : CERN, 2023-06-05 - 62 p. - Published in : JHEP 2306 (2023) 016 Fulltext: 2207.00230 - PDF; document - PDF; External link: Previous draft version
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8.
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Measurement of electroweak $Z(\nu\bar{\nu})\gamma jj$ production and limits on anomalous quartic gauge couplings in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
The electroweak production of $Z(\nu\bar{\nu})\gamma$ in association with two jets is studied in a regime with a photon of high transverse momentum above 150 GeV using proton-proton collisions at a centre-of-mass energy of 13 TeV at the Large Hadron Collider. The analysis uses a data sample with an integrated luminosity of 139 fb$^{-1}$ collected by the ATLAS detector during the 2015-2018 LHC data-taking period. [...]
arXiv:2208.12741; CERN-EP-2022-138.- Geneva : CERN, 2023-06-14 - 28 p. - Published in : JHEP 2306 (2023) 082 Fulltext: document - PDF; 2208.12741 - PDF; External link: Previous draft version
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9.
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Search for direct pair production of sleptons and charginos decaying to two leptons and neutralinos with mass splittings near the $W$-boson mass in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search for the electroweak production of pairs of charged sleptons or charginos decaying into two-lepton final states with missing transverse momentum is presented. Two simplified models of $R$-parity-conserving supersymmetry are considered: direct pair-production of sleptons ($\tilde{\ell}\tilde{\ell}$), with each decaying into a charged lepton and a $\tilde{\chi}_1^0$ neutralino, and direct pair-production of the lightest charginos $(\tilde{\chi}_1^\pm\tilde{\chi}_1^\mp)$, with each decaying into a $W$-boson and a $\tilde{\chi}_1^0$. [...]
arXiv:2209.13935; CERN-EP-2022-132.- Geneva : CERN, 2023-06-06 - 58 p. - Published in : JHEP 2306 (2023) 031 Fulltext: 2209.13935 - PDF; document - PDF; External link: Previous draft version
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10.
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Differential $ t\overline{t} $ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{−1}$ of ATLAS dataDifferential $ t\overline{t} $ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{−1}$ of ATLAS data / ATLAS Collaboration
Measurements of single-, double-, and triple-differential cross-sections are presented for boosted top-quark pair-production in 13 $\text{TeV}$ proton-proton collisions recorded by the ATLAS detector at the LHC. The top quarks are observed through their hadronic decay and reconstructed as large-radius jets with the leading jet having transverse momentum ($p_{\text{T}}$) greater than 500 GeV. [...]
arXiv:2205.02817; CERN-EP-2022-026.- Geneva : CERN, 2023-04-18 - 86 p. - Published in : JHEP 2304 (2023) 080 Fulltext: 2205.02817 - PDF; document - PDF; External link: Previous draft version
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