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CERN Document Server 2,031 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 0.17 δευτερόλεπτα. 
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Rare top quark production at the LHC: t$\bar{\text{t}}$Z, t$\bar{\text{t}}$W, t$\bar{\text{t}}\gamma$, tZq, t$\gamma$q, and t$\bar{\text{t}}$t$\bar{\text{t}}$ / Knolle, Joscha (DESY) /ATLAS Collaborations ; CMS Collaborations
A comprehensive set of measurements of top quark pair and single top quark production in association with electroweak bosons (W, Z, or $\gamma$) is presented. The results are compared to standard model (SM) predictions and used to set limits on new physics effects that would induce deviations from the SM. [...]
CMS-CR-2019-078.- Geneva : CERN, 2019 - 7 p. - Published in : PoS DIS2019 (2019) 157 Fulltext: PDF; Fulltext from publisher: PDF;
In : The XXVII International Workshop on Deep Inelastic Scattering and Related Subjects, Turin, Italy, 8 - 12 Apr 2019, pp.157
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t$\bar{\mbox t}$+X and t+X production in CMS: t$\bar{\mbox{t}}$Z, t$\bar{\mbox{t}}$Z, t$\bar{\mbox{t}}$W, t$\bar{\mbox{t}}\gamma$, tZq, t$\gamma$q in CMS / Palencia Cortezon, Jose Enrique (Oviedo U.) /CMS Collaboration
The most recent measurements of top quark pair and single top quark production in association with electroweak bosons (W, Z, or $\gamma$) are presented. Data collected with the CMS experiment in proton-proton collisions at the LHC at different centre-of-mass energies are used and the results are compared to the standard model predictions..
CMS-CR-2020-228.- Geneva : CERN, 2020 - 7 p. Fulltext: PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020
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$t \bar t$+X and t+X production in CMS: $t \bar t$Z, $t \bar t$Z, $t \bar t$W, $t \bar t \gamma$, tZq,t$\gamma$q in CMS / Palencia Cortezon, Jose Enrique (ICTEA, Oviedo) /CMS Collaboration
The most recent measurements of top quark pair and single top quark production in association with electroweak bosons (W, Z, or $\gamma$) are presented. Data collected with the CMS experiment in proton-proton collisions at the LHC at different centre-of-mass energies are used and the results are compared to the standard model predictions..
SISSA, 2021 - 6 p. - Published in : PoS ICHEP2020 (2021) 339 Fulltext: PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020, pp.339
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$t\overline{t}$+X and t+X production in CMS: $t\overline{t}$Z, $t\overline{t}$Z, $t\overline{t}$W, $t\overline{t}\gamma$, tZq, $t\gamma q$ in CMS / Palencia Cortezon, Jose Enrique (Oviedo U.) /CMS Collaboration
The most recent measurements of top quark pair and single top quark production in association with electroweak bosons (W, Z, or $\gamma$) are presented. Data collected with the CMS experiment in proton-proton collisions at the LHC at different centre-of-mass energies are used and the results are compared to the standard model predictions..
CMS-CR-2019-181.- Geneva : SISSA, 2020 - 7 p. - Published in : PoS EPS-HEP2019 (2020) 647 Fulltext: PDF;
In : European Physical Society Conference on High Energy Physics (EPS-HEP) 2019, Ghent, Belgium, 10 - 17 Jul 2019, pp.647
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Latest measurements in single top quark with the CMS experiment / Iemmi, Fabio (INFN, Bologna ; Bologna U.) /CMS
The latest measurements obtained by the CMS Collaboration in single top quark production are summarized. We present both inclusive and differential cross section measurements in different production modes, which lead to constraints on proton parton distribution functions (PDFs) and measurements of the Cabibbo-Kobayashi-Maskawa (CKM) matrix element $|\textrm{V}_{\textrm{tb}}|$ and top quark spin asymmetry $\text{A}_{\ell}$; we also show searches for rare Standard Model (SM) processes, such as the first observation of tZq associated production and the first evidence for t$\gamma$q associated production..
SISSA, 2019 - 12 p. - Published in : PoS LHCP2019 (2019) 149 Fulltext: PDF;
In : 7th Edition of the Large Hadron Collider Physics Conference, Puebla, Mexico, 20 May 2019, pp.149
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Studies of tt+V at CMS / Khvastunov, Illia (Gent U.) /CMS Collaboration
A measurement of the production cross-section of a pair of top quarks in association with a photon, using 19.7 $fb^{-1}$ of pp collision data collected by CMS detector at $\sqrt{s} = $ 8 TeV, and with W and Z boson, using 12.9 $fb^{-1}$ of data collected at $\sqrt{s} = $ 13 TeV, is presented. The measurement of t$\bar{\text{t}}\gamma$ is performed in in the fiducial phase space corresponding to the semileptonic decay chain of the top quark pair, and the cross section is measured relative to the inclusive top quark pair production cross section. [...]
CMS-CR-2016-432.- Geneva : CERN, 2016 - 7 p. Fulltext: PDF;
In : 9th International Workshop on Top Quark Physics, Olomouc, Czech Republic, 19 - 29 Sep 2016
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Top quark production cross sections and rare processes at CMS and ATLAS / Saggio, Alessia (DESY) /ATLAS and CMS Collaborations
Inclusive and differential measurements of cross sections as well as searches for rare processes in the top quark sector provide an important test of the standard model (SM) and a powerful probe of physics beyond the SM (BSM). Recent results on inclusive and differential measurements of $\mathrm{t}\bar{\mathrm{t}}$, tZq, and $\mathrm{t}\bar{\mathrm{t}}+\mathrm{X}$ processes are reported, together with searches for flavour changing neutral currents (FCNCs) and charged lepton flavour violation (CLFV) in top quark processes, and for production of four top quarks. All results are obtained in proton-proton collision data, recorded by the ATLAS and CMS experiments at the CERN LHC from 2015 to 2018 at $\sqrt{s}=13$~TeV.}
CMS-CR-2022-054.- Geneva : CERN, 2022 - 7 p. Fulltext: PDF;
In : 56th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, It, 12 - 19 Mar 2022
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Observation of associated production of top quarks with the ATLAS experiment / ATLAS Collaboration /ATLAS Collaboration
The large integrated luminosity accumulated by the ATLAS detector at the highest proton-proton collision energy provided by LHC allows the study of rare SM top quark production processes. The observation of associated production of top quarks has provided the first direct measurement of the top quark EW couplings with neutral gauge bosons and the first access to the four-top-quark interaction vertex. [...]
ATL-PHYS-SLIDE-2022-284.- Geneva : CERN, 2022 - 51 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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Highlights of top quark properties at ATLAS and CMS / Mal, Prolay Kumar (Bhubaneswar, NISER) /ATLAS ,CMS and Top Collaborations
Recent measurements of top quark properties using data collected by the LHC experiments are presented. These results include latest measurements of the top quark mass, width, tt spin correlations and asymmetries. [...]
CMS-CR-2018-317.- Geneva : CERN, 2018 - 12 p. Fulltext: PDF;
In : XIV International Conference on Heavy Quarks and Leptons , Yamagata, Japan, 27 May - 1 Jun 2018
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Electroweak and associated top-quark production at CMS / Ribeiro Lopes, Beatriz (CERN) /CMS Collaboration
Top quark measurements are central to the LHC program. In particular, the associated production of top quarks with vector bosons is interesting as it offers insight into both the electroweak and the strong interactions of the standard model. [...]
CMS-CR-2024-255.- Geneva : CERN, 2024 - 7 p. Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024
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