CERN Accelerating science

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1.
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
2.
Production and validation of industrially produced large-sized GEM foils for the Phase-2 upgrade of the CMS muon spectrometer / Abbas, Syed Mohsin (IPM, Tehran) ; Abbrescia, Marcello (INFN, Bari ; Bari U.) ; Abdalla, Hassan Fathy (Cairo, Acad. Sci. Res. Tech.) ; Abdelalim, Ahmed Ali (Cairo, Acad. Sci. Res. Tech.) ; Abuzeid Hassan, Shimaa Abdelwahed (INFN, Pavia) ; Aebi, Devin Michael (Texas A-M) ; Agapitos, Antonis (Peking U.) ; Ahmad, Ashfaq (Quaid-i-Azam U.) ; Ahmed, Asar (Delhi U.) ; Ahmed, Waqar (Quaid-i-Azam U.) et al.
The upgrade of the CMS detector for the high luminosity LHC (HL-LHC) will include gas electron multiplier (GEM) detectors in the end-cap muon spectrometer. Due to the limited supply of large area GEM detectors, the Korean CMS (KCMS) collaboration had formed a consortium with Mecaro Co., Ltd. to serve as a supplier of GEM foils with area of approximately 0.6 m$^{2}$. The consortium has developed a double-mask etching technique for production of these large-sized GEM foils. This article describes the production, quality control, and quality assessment (QA/QC) procedures and the mass production status for the GEM foils. [...]
CMS-NOTE-2023-006; CERN-CMS-NOTE-2023-006.- Geneva : CERN, 2023 - 18 p. Fulltext: PDF;
3.
Search for a vector-like quark T' $ \to $ tH via the diphoton decay mode of the Higgs boson in proton-proton collisions at $ \sqrt{s}= $ 13 TeV / CMS Collaboration
A search for the electroweak production of a vector-like quark T', decaying to a top quark and a Higgs boson is presented. The search is based on a sample of proton-proton collision events recorded at the LHC at $ \sqrt{s}= $ 13 TeV, corresponding to an integrated luminosity of 138 fb$ ^{-1} $. [...]
arXiv:2302.12802; CMS-B2G-21-007; CERN-EP-2022-253; CMS-B2G-21-007-003.- Geneva : CERN, 2023-09-11 - 17 p. - Published in : JHEP 2309 (2023) 057 Fulltext: 4a26a17b31db3dceac6ce7256986f0fb - PDF; CMS-B2G-21-007_arXiv - PDF; 2302.12802 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
4.
Measurement of the top quark mass using a profile likelihood approach with the lepton + jets final states in proton–proton collisions at $\sqrt{s}=13\,\text {Te}\hspace{-.08em}\text {V} $ / CMS Collaboration
The mass of the top quark is measured in 36.3 fb$ ^{-1} $ of LHC proton-proton collision data collected with the CMS detector at $ \sqrt{s}= $ 13 TeV. The measurement uses a sample of top quark pair candidate events containing one isolated electron or muon and at least four jets in the final state. [...]
arXiv:2302.01967; CMS-TOP-20-008; CERN-EP-2022-245; CMS-TOP-20-008-006.- Geneva : CERN, 2023-10-25 - 31 p. - Published in : Eur. Phys. J. C 83 (2023) 963 Fulltext: CMS-TOP-20-008-arXiv - PDF; 2302.01967 - PDF; f6f9f1e603c3037016f24ce8d9cd443e - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
5.
Search for top squarks in the four-body decay mode with single lepton final states in proton-proton collisions at $ \sqrt{s}= $ 13 TeV / CMS Collaboration
A search for the pair production of the lightest supersymmetric partner of the top quark, the top squark ($ \tilde{\mathrm{t}}_{1} $), is presented. The search targets the four-body decay of the $ \tilde{\mathrm{t}}_{1} $, which is preferred when the mass difference between the top squark and the lightest supersymmetric particle is smaller than the mass of the W boson. [...]
arXiv:2301.08096; CMS-SUS-21-003; CERN-EP-2022-254; CMS-SUS-21-003-003.- Geneva : CERN, 2023-06-12 - 26 p. - Published in : JHEP 2306 (2023) 060 Fulltext: 2efff2d7c2cb5b21e93ffecdfc3c1f52 - PDF; 2301.08096 - PDF; CMS-SUS-21-003-arXiv - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
6.
First measurement of the forward rapidity gap distribution in pPb collisions at $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 8.16 TeV / CMS Collaboration
For the first time at LHC energies, the forward rapidity gap spectra from proton-lead collisions for both proton and lead dissociation processes are presented. The analysis is performed over 10.4 units of pseudorapidity at a center-of-mass energy per nucleon pair of $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 8.16 TeV, almost 300 times higher than in previous measurements of diffractive production in proton-nucleus collisions. [...]
arXiv:2301.07630; CMS-HIN-18-019; CERN-EP-2022-164; CMS-HIN-18-019-003.- Geneva : CERN, 2023-11-01 - 25 p. - Published in : Phys. Rev. D 108 (2023) 092004 Fulltext: CMS-HIN-18-019-arXiv - PDF; 2301.07630 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
7.
Search for new physics in the $ \tau $ lepton plus missing transverse momentum final state in proton-proton collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
A search for physics beyond the standard model (SM) in the final state with a hadronically decaying tau lepton and a neutrino is presented. This analysis is based on data recorded by the CMS experiment from proton-proton collisions at a center-of-mass energy of 13 TeV at the LHC, corresponding to a total integrated luminosity of 138 fb$ ^{-1} $. [...]
arXiv:2212.12604; CMS-EXO-21-009; CERN-EP-2022-268; CMS-EXO-21-009-003.- Geneva : CERN, 2023-09-08 - 29 p. - Published in : JHEP 2309 (2023) 051 Fulltext: 2212.12604 - PDF; cab833f2b3ca575cbbd5884765500a7b - PDF; CMS-EXO-21-009-arXiv - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
8.
Measurement of the electroweak production of W$\gamma$ in association with two jets in proton-proton collisions at $\sqrt{s}$ = 13 TeV / CMS Collaboration
A measurement is presented for the electroweak production of a W boson, a photon ($ \gamma $), and two jets (j) in proton-proton collisions. The leptonic decay of the W boson is selected by requiring one identified electron or muon and large missing transverse momentum. [...]
arXiv:2212.12592; CMS-SMP-21-011; CERN-EP-2022-223; CMS-SMP-21-011-003.- Geneva : CERN, 2023-08-01 - 26 p. - Published in : Phys. Rev. D 108 (2023) 032017 Fulltext: CMS-SMP-21-011-arXiv - PDF; 6b171ad34c8babf95f94f95376833008 - PDF; 2212.12592 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
9.
Search for high-mass exclusive $ \gamma\gamma \to \mathrm{W}\mathrm{W} $ and $ \gamma\gamma \to \mathrm{Z}\mathrm{Z} $ production in proton-proton collisions at $ \sqrt{s}= $ 13 TeV / CMS Collaboration
A search is performed for exclusive high-mass $ \gamma\gamma \to \mathrm{W}\mathrm{W} $ and $ \gamma\gamma \to \mathrm{Z}\mathrm{Z} $ production in proton-proton collisions using intact forward protons reconstructed in near-beam detectors, with both weak bosons decaying into boosted and merged jets. The analysis is based on a sample of proton-proton collisions collected by the CMS and TOTEM experiments at $ \sqrt{s}= $ 13 TeV, corresponding to an integrated luminosity of 100 fb$ ^{-1} $. [...]
arXiv:2211.16320; CMS-SMP-21-014; TOTEM-2022-002; CERN-EP-2022-177; CMS-SMP-21-014-003.- Geneva : CERN, 2023-07-31 - 52 p. - Published in : JHEP 2307 (2023) 229 Fulltext: CMS-SMP-21-014-arXiv - PDF; 2211.16320 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
10.
Search for Higgs Boson and Observation of Z Boson through Their Decay into a Charm Quark-Antiquark Pair in Boosted Topologies in Proton-Proton Collisions at $\sqrt{s}$ = 13 TeV / CMS Collaboration
A search for the standard model (SM) Higgs boson (H) produced with transverse momentum (pT) greater than 450 GeV and decaying to a charm quark-antiquark (cc¯) pair is presented. The search is performed using proton-proton collision data collected at s=13  TeV by the CMS experiment at the LHC, corresponding to an integrated luminosity of 138  fb-1. [...]
arXiv:2211.14181; CMS-HIG-21-012; CERN-EP-2022-233; CMS-HIG-21-012-003.- Geneva : CERN, 2023-07-26 - 21 p. - Published in : Phys. Rev. Lett. 131 (2023) 041801 Fulltext: FERMILAB-PUB-23-399-CMS - PDF; 2211.14181 - PDF; CMS-HIG-21-012-arXiv - PDF; Fulltext from Publisher: PDF; External links: Fermilab News article; Fermilab Library Server

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