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CERN Document Server 53 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 0.65 секунд. 
1.
Search for rare decays of the Z and Higgs bosons to a $ \mathrm{J}/\psi $ or $\psi(2\text{S})$ meson and a photon in proton-proton collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
A search is presented for rare decays of the Z and Higgs bosons to a photon and a $ \mathrm{J}/\psi $ or a $\psi(2\text{S})$ meson, with the charmonium state subsequentially decaying to a pair of muons. [...]
arXiv:2411.15000 ; CMS-SMP-22-012 ; CERN-EP-2024-253 ; CMS-SMP-22-012-003. - 2024 - 39.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext
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2.
Search for Rare Processes and Lepton-flavor Violation Decays of Higgs Boson at ATLAS Experiment / Zhou, Bing (University of Michigan (US)) /ATLAS Collaboration
The Standard Model predicts several rare Higgs boson processes, among which are the production in association with c-quarks, the decays to a Z boson and a photon, to a low-mass lepton pair and a photon, and to a meson and photon. The observation of some of these processes could open the possibility of studying the coupling properties of the Higgs boson in a complementary way to other analyses. [...]
ATL-PHYS-SLIDE-2024-252.- Geneva : CERN, 2024 - 15 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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3.
Higgs boson coupling properties to fermions and search for rare and LFV Higgs boson decays with ATLAS / Gagnon, Louis-Guillaume (University of California Berkeley (US)) /ATLAS Collaboration
The Yukawa couplings of the Higgs boson to quarks and leptons are an important window into the mechanism of electroweak symmetry breaking and the origin of fermion masses. This talk presents several measurements of Higgs boson decays to bottom quarks, tau leptons and muons, as well as constraints on the rate of Higgs boson decays to charm quarks and on the magnitude of the charm-Yukawa coupling. [...]
ATL-PHYS-SLIDE-2024-072.- Geneva : CERN, 2024 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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4.
Searches for exclusive Higgs boson decays into $D^*\gamma$ and $Z$ boson decays into $D^0\gamma$ and $K^0_s\gamma$ in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
Searches for the exclusive decays of the Higgs boson into $D^*\gamma$ and of the $Z$ boson into $D^0\gamma$ and $K^0_s\gamma$ can probe flavour-violating Higgs and $Z$ boson couplings to light quarks. Searches for these decays are performed with a $pp$ collision data sample corresponding to an integrated luminosity of $136.3$ fb$^{-1}$ collected at $\sqrt{s}=13$ TeV between 2016-2018 with the ATLAS detector at the CERN Large Hadron Collider. [...]
arXiv:2402.18731; CERN-EP-2024-037.- Geneva : CERN, 2024-06-03 - 25 p. - Published in : Phys. Lett. B 855 (2024) 138762 Fulltext: 2402.18731 - PDF; Publication - PDF; External link: Previous draft version
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5.
Probing second generation Yukawa couplings and rare decays / Schopf, Elisabeth (University of Oxford (GB)) /ATLAS Collaboration
Higgs boson couplings to second generation fermions and rare decays of the Higgs boson are an active field of study and are an important pillar to probe for new physics and/or confirm the Standard-Model nature of the Higgs boson and its couplings. This talk will present the latest results on second-generation Yukawa couplings from the ATLAS and CMS collaborations. [...]
ATL-PHYS-SLIDE-2023-647.- Geneva : CERN, 2023 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : Higgs 2023, Beijing, Cn, 27 Nov - 2 Dec 2023
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6.
Evidence for the Higgs boson decay to a $Z$ boson and a photon at the LHC / ATLAS Collaboration
The first evidence for the Higgs boson decay to a $Z$ boson and a photon is presented, with a statistical significance of 3.4 standard deviations. The result is derived from a combined analysis of the searches performed by the ATLAS and CMS Collaborations with proton-proton collision data sets collected at the CERN Large Hadron Collider (LHC) from 2015 to 2018. [...]
arXiv:2309.03501; CERN-EP-2023-157; CMS-HIG-23-002.- Geneva : CERN, 2024-01-11 - 32 p. - Published in : Phys. Rev. Lett. 132 (2024) 021803 Fulltext: 2309.03501 - PDF; fb04f556ba10912b08405b9ca563b99a - PDF; Fulltext from Publisher: PDF; External links: Physics Synopsis; Fermilab Library Server
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Evidence of the rare Higgs boson decay to a Z boson and a photon using ATLAS and CMS Run 2 data / Zhang, Rui (University of Wisconsin Madison (US)) /ATLAS Collaboration
The first experimental evidence is presented for the rare Higgs boson decay to a Z boson and a photon, with a statistical significance of 3.4 standard deviations. The result is derived from a joint interpretation of the searches performed by the ATLAS and CMS collaborations with their proton-proton collision data sets collected at the CERN LHC during 2015 and 2018. [...]
ATL-PHYS-SLIDE-2023-368.- Geneva : CERN, 2023 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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8.
Search for rare decays and lepton-flavor-violating decays of the Higgs boson at the ATLAS experiment / Bruckman De Renstrom, Pawel (Polish Academy of Sciences (PL))
The Standard Model predicts several rare Higgs boson decay channels, among which are the decays to a Z boson and a photon, to a low-mass lepton pair and a photon, and to a meson and a photon. [...]
arXiv:2307.07728 ; ATL-PHYS-PROC-2023-040. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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9.
Higgs Boson Searches Beyond the Standard from ATLAS and CMS / Sopczak, Andre (Czech Technical University in Prague (CZ)) /ATLAS Collaboration
The latest results of Higgs boson searches beyond the Standard Model are reviewed from the ATLAS and CMS experiments. This includes searches for additional neutral, charged and double charged Higgs-like bosons, searches for dark matter produced in association with a Higgs boson and sesarches for new physics in Higgs boson pair production processes. [...]
ATL-PHYS-SLIDE-2023-201.- Geneva : CERN, 2023 - 57 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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Searching for new symmetries in the Higgs sector with the ATLAS detector / Duda, Dominik (The University of Edinburgh (GB))
These proceedings give an overview of recent searches for additional low- and high-mass Higgs bosons, as well as direct searches for rare or exotic decays of the 125 GeV Higgs boson, using proton–proton collision data at 13 TeV collected by the ATLAS experiment in Run 2 of the LHC..
ATL-PHYS-PROC-2023-001. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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