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Measurement of top-quark pair production in association with charm quarks in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Inclusive cross-sections for top-quark pair production in association with charm quarks are measured with proton-proton collision data at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 140 fb$^{-1}$, collected with the ATLAS experiment at the LHC between 2015 and 2018. The measurements are performed by requiring one or two charged leptons (electrons and muons), two $b$-tagged jets, and at least one additional jet in the final state. [...]
arXiv:2409.11305; CERN-EP-2024-242.- Geneva : CERN, 2024-12-04 - 44 p. Fulltext: ANA-TOPQ-2021-26-PAPER - PDF; 2409.11305 - PDF; External link: Previous draft version

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Direct search for the Higgs boson to charm coupling at ATLAS / Mendes Jacques Da Costa, Antonio Manuel (University of Birmingham (GB))
A direct search for the Standard Model Higgs boson decays to a pair of charm quarks is presented. [...]
ATL-PHYS-PROC-2022-038. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text

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Direct Search for the Higgs Boson to Charm Quarks Coupling at ATLAS / Mendes Jacques Da Costa, Antonio Manuel (University of Birmingham (GB)) /ATLAS Collaboration
A direct search for the Standard Model Higgs boson decays to a pair of charm quarks is presented, probing the Higgs boson Yukawa couplings to the second generation of fermions. This analysis makes use of the full LHC Run 2 dataset collected with the ATLAS detector, corresponding to an integrated luminosity of 139 fb-1 of proton collisions at a centre-of-mass energy of 13 TeV. [...]
ATL-PHYS-SLIDE-2022-034.- Geneva : CERN, 2022 - 34 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : XXXV Rencontres de Physique de La Vallée d'Asoste, La Thuile, It, 6 - 12 Mar 2022

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CMS-PHO-EVENTS-2022-006
© 2022 CERN, for the benefit of the CMS Collaboration

Candidate events in a search for the Higgs boson decaying to a charm and anti-charm quark
These are events seen in the CMS detector as part [...]
28/02/2022

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Measurement of the $c$-jet mistagging efficiency in $t\bar{t}$ events using $pp$ collision data at $\sqrt{s}=13$ TeV collected with the ATLAS detector / ATLAS Collaboration
A technique is presented to measure the efficiency with which $c$-jets are mistagged as b-jets (mistagging efficiency) using $t\bar{t}$ events, where one of the $W$ bosons decays into an electron or muon and a neutrino and the other decays into a quark-antiquark pair. The measurement utilises the relatively large and known $W\rightarrow cs$ branching ratio, which allows a measurement to be made in an inclusive $c$-jet sample. [...]
arXiv:2109.10627; CERN-EP-2021-166.- Geneva : CERN, 2022-01-31 - 39 p. - Published in : Eur. Phys. J. C 82 (2022) 95 Fulltext: 2109.10627 - PDF; Publication - PDF; External link: Previous draft version

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Charm is better than beauty: search for the Higgs coupling to charm quarks / Stamenkovic, Marko (Nikhef National institute for subatomic physics (NL)) /ATLAS Collaboration
Eight years ago, the discovery of a new fundamental particle, the Higgs boson (H), was announced by the ATLAS and CMS collaborations at CERN. While elementary particles acquire their mass through their interaction with the Higgs field, the large differences in their masses as well as the origin of the three generations of fermions remain unexplained to this day and constitute the Standard Model flavour puzzle. [...]
ATL-PHYS-SLIDE-2021-277.- Geneva : CERN, 2021 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 9th Annual Large Hadron Collider Physics (LHCP 2021), Online, Gb, 7 - 12 Jun 2021

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Direct constraint on the Higgs-charm coupling from a search for Higgs boson decays to charm quarks with the ATLAS detector
A search for the Standard Model Higgs boson decaying to a pair of charm quarks is presented. [...]
ATLAS-CONF-2021-021. - 2021. - 39 p.
Original Communication (restricted to ATLAS) - Full text

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CMS-PHO-EVENTS-2019-006
© 2019 CERN, for the benefit of the CMS Collaboration

Displays of candidate VHcc events
These images depict candidate events from a direct [...]
14/07/2019

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Search for scalar charm in ATLAS / Kalderon, Charles William (Department of Physics, Oxford University)
Poster detailing 'Search for Scalar-Charm Pair Production in pp Collisions at √s = 8 TeV with the ATLAS Detector', arXiv 1501.01325
ATL-PHYS-SLIDE-2015-053.- Geneva : CERN, 2015 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 121st LHCC Meeting, CERN, Geneva, Switzerland, 4 - 5 Mar 2015

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10.

Performance and Calibration of the JetFitterCharm Algorithm for c-Jet Identification
An impact parameter and secondary-vertex based charm tagging algorithm, JetFitterCharm, has been developed to distinguish $c$-quark jets from either $b$-quark or light-flavoured ($u$,$d$,$s$-quark or gluon) jets. [...]
ATL-PHYS-PUB-2015-001. - 2015.
Original Communication (restricted to ATLAS) - Full text

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