CERN Accelerating science

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1.
Measurements of $ {\mathrm{t}\overline{\mathrm{t}}} \mathrm{W} $ differential cross sections and the leptonic charge asymmetry at $ \sqrt{s}= $ 13 TeV / CMS Collaboration
Measurements of properties of top quark-antiquark pair production in association with a W boson in proton-proton collisions at a center-of-mass energy of 13 TeV are presented, using a data sample corresponding to an integrated luminosity of 138 fb$ ^{-1} $, recorded by the CMS experiment at the CERN LHC. [...]
arXiv:2509.13512 ; CMS-TOP-24-003 ; CERN-EP-2025-170 ; CMS-TOP-24-003-003.
- 2025 - 67.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext
2.
Probing the flavour structure of dimension-6 EFT operators in multilepton final states in proton-proton collisions at $ \sqrt{s}= $ 13 TeV / CMS Collaboration
An analysis of the flavour structure of dimension-6 effective field theory (EFT) operators in multilepton final states is presented, focusing on the interactions involving Z bosons. [...]
arXiv:2507.17498 ; CMS-TOP-23-009 ; CERN-EP-2025-143 ; CMS-TOP-23-009-003.
- 2025 - 47.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext
3.
Search for dark matter production in association with a single top quark in proton-proton collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
A search for the production of a single top quark in association with invisible particles is performed using proton-proton collision data collected with the CMS detector at the LHC at $ \sqrt{s} = $ 13 TeV, corresponding to an integrated luminosity of 138 fb$^{-1}$. In this search, a flavor-changing neutral current produces a single top quark or antiquark and an invisible state nonresonantly. [...]
arXiv:2503.20033; CMS-SUS-23-004; CERN-EP-2025-025; CMS-SUS-23-004-003.- Geneva : CERN, 2025 - 57 p. - Published in : JHEP 2509 (2025) 141 Fulltext: CMS-SUS-23-004-arXiv - PDF; 2503.20033 - PDF; document - PDF; External links: Additional information for the analysis; CMS AuthorList
4.
Observation of nuclear modification of energy-energy correlators inside jets in heavy ion collisions / CMS Collaboration
Energy-energy correlators are constructed by averaging the number of charged particle pairs within jets, weighted by the product of their transverse momenta, as a function of the angular separation of the particles within a pair. They are sensitive to a multitude of perturbative and nonperturbative quantum chromodynamics phenomena in high-energy particle collisions. [...]
arXiv:2503.19993; CMS-HIN-23-004; CERN-EP-2025-014; CMS-HIN-23-004-003.- Geneva : CERN, 2025-05-13 - 32 p. - Published in : Phys. Lett. B 866 (2025) 139556 Fulltext: CMS-HIN-23-004-arXiv - PDF; 2503.19993 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
5.
Observation of $ \Lambda $ hyperon local polarization in pPb collisions at $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 8.16 TeV / CMS Collaboration
The polarization of the $ \Lambda $ and $ \overline{\Lambda} $ hyperons along the beam direction has been measured in proton-lead (pPb) collisions at a center-of-mass energy per nucleon pair of 8.16 TeV. The data were obtained with the CMS detector at the LHC and correspond to an integrated luminosity of 186.0 $ \pm $ 6.5 nb$^{-1}$. [...]
arXiv:2502.07898; CMS-HIN-24-002; CERN-EP-2024-328; CMS-HIN-24-002-003.- Geneva : CERN, 2025-09-23 - 37 p. - Published in : Phys. Rev. Lett. 135 (2025) 132301 Fulltext: CMS-HIN-24-002-arXiv - PDF; 2502.07898 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
6.
Measurement of light-by-light scattering and the Breit-Wheeler process, and search for axion-like particles in ultraperipheral PbPb collisions at $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 5.02 TeV / CMS Collaboration
Measurements of light-by-light scattering (LbL, $ \gamma\gamma\to\gamma\gamma $) and the Breit-Wheeler process (BW, $ \gamma\gamma\to\mathrm{e}^+\mathrm{e}^- $) are reported in ultraperipheral PbPb collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV. The data sample, corresponding to an integrated luminosity of 1.7 nb$^{-1}$, was collected by the CMS experiment at the CERN LHC in 2018. [...]
arXiv:2412.15413; CMS-HIN-21-015; CERN-EP-2024-284; CMS-HIN-21-015-003.- Geneva : CERN, 2025-08-01 - 56 p. - Published in : JHEP 2508 (2025) 006 Fulltext: CMS-HIN-21-015-arXiv - PDF; 2412.15413 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
7.
Search for heavy neutral Higgs bosons A and H in the $ {\mathrm{t}\overline{\mathrm{t}}} $Z channel in proton-proton collisions at 13 TeV / CMS Collaboration
A direct search for new heavy neutral Higgs bosons A and H in the $ {\mathrm{t}\overline{\mathrm{t}}} \mathrm{Z} $ channel is presented, targeting the process $ \mathrm{p}\mathrm{p}\to\mathrm{A}\to\mathrm{Z}\mathrm{H} $ with $ \mathrm{H}\to{\mathrm{t}\overline{\mathrm{t}}} $. For the first time, the channel with decays of the Z boson to muons or electrons in association with all-hadronic decays of the $ \mathrm{t} \overline{\mathrm{t}} $ system is targeted. [...]
arXiv:2412.00570; CMS-B2G-23-006; CERN-EP-2024-301; CMS-B2G-23-006-003.- Geneva : CERN, 2025-05-13 - 29 p. - Published in : Phys. Lett. B 866 (2025) 139568 Fulltext: CMS-B2G-23-006-arXiv - PDF; 2412.00570 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
8.
Constraints on standard model effective field theory for a Higgs boson produced in association with W or Z bosons in the H $ \to \mathrm{b}\overline{\mathrm{b}} $ decay channel in proton-proton collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
A standard model effective field theory (SMEFT) analysis with dimension-six operators probing nonresonant new physics effects is performed in the Higgs-strahlung process, where the Higgs boson is produced in association with a W or Z boson, in proton-proton collisions at a center-of-mass energy of 13 TeV. The final states in which the W or Z boson decays leptonically and the Higgs boson decays to a pair of bottom quarks are considered. [...]
arXiv:2411.16907; CMS-HIG-23-016; CERN-EP-2024-294; CMS-HIG-23-016-004.- Geneva : CERN, 2025-03-14 - 63 p. Fulltext: CMS-HIG-23-016-arXiv - PDF; 2411.16907 - PDF; e1e09eecbc10eda1f2cb2b575bea1939 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList; CMS HEPData
9.
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 / Hayrapetyan, Aram (Yerevan Phys. Inst.) ; Tumasyan, Armen (Yerevan Phys. Inst.) ; Adam, Wolfgang (Vienna, OAW) ; Andrejkovic, Janik Walter (Vienna, OAW) ; Bergauer, Thomas (Vienna, OAW) ; Chatterjee, Suman (Vienna, OAW) ; Damanakis, Konstantinos (Vienna, OAW) ; Dragicevic, Marko (Vienna, OAW) ; Hussain, Priya Sajid (Vienna, OAW) ; Jeitler, Manfred (Vienna, OAW ; TU Vienna) et al.
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. The data set corresponds to an integrated luminosity of 123 fb$ ^{-1} $ of proton-proton collisions at a center-of-mass energy of 13 TeV collected with the CMS detector at the LHC. [...]
arXiv:2411.15000; CMS-SMP-22-012; CERN-EP-2024-253; CMS-SMP-22-012-003.- Geneva : CERN, 2025-04-10 - 39 p. - Published in : Phys. Lett. B 865 (2025) 139462 Fulltext: CMS-SMP-22-012-arXiv - PDF; 2411.15000 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
10.
Search for long-lived heavy neutral leptons in proton-proton collision events with a lepton-jet pair associated with a secondary vertex at $ \sqrt{s} $ = 13 TeV / CMS Collaboration
A search for long-lived heavy neutral leptons (HNLs) using proton-proton collision data corresponding to an integrated luminosity of 138 fb$ ^{-1} $ collected at $ \sqrt{s} = $ 13 TeV with the CMS detector at the CERN LHC is presented. Events are selected with a charged lepton originating from the primary vertex associated with the proton-proton interaction, as well as a second charged lepton and a hadronic jet associated with a secondary vertex that corresponds to the semileptonic decay of a long-lived HNL. [...]
arXiv:2407.10717; CMS-EXO-21-011; CERN-EP-2024-161; CMS-EXO-21-011-003.- Geneva : CERN, 2025-02-06 - 55 p. - Published in : JHEP 2502 (2025) 036 Fulltext: CMS-EXO-21-011-arXiv - PDF; 2407.10717 - PDF; bb54eecc2601218e4c2ebeed62eb57a4 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server

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