CERN Accelerating science

CERN Document Server 找到 262 筆記錄  1 - 10下一個最後  跳到記錄: 檢索需時 0.73 秒. 
1.
Operation and performance of the CMS silicon strip tracker with proton-proton collisions at the CERN LHC / CMS Collaboration
Salient aspects of the commissioning, calibration, and performance of the CMS silicon strip tracker are discussed, drawing on experience during operation with proton-proton collisions delivered by the CERN LHC. The data were obtained with a variety of luminosities. [...]
arXiv:2506.17195; CMS-TRK-20-002; CERN-EP-2025-036; CMS-TRK-20-002-003.- Geneva : CERN, 2025-08-20 - 79 p. - Published in : JINST 20 (2025) P08027 Fulltext: CMS-TRK-20-002-arXiv - PDF; 2506.17195 - PDF; document - PDF; External links: Additional information for the analysis; CMS AuthorList
2.
Measurement of WWZ and ZH production cross sections at $ \sqrt{s}= $ 13 and 13.6 TeV / CMS Collaboration
A measurement is presented of the cross section in proton-proton collisions for the production of two W bosons and one Z boson. It is based on data recorded by the CMS experiment at the CERN LHC at center-of-mass energies $ \sqrt{s}= $ 13 and 13.6 TeV, corresponding to an integrated luminosity of 200 fb$ ^{-1} $. [...]
arXiv:2505.20483; CMS-SMP-24-015; CERN-EP-2025-102; CMS-SMP-24-015-003.- Geneva : CERN, 2025-08-25 - 13 p. - Published in : Phys. Rev. Lett. 135 (2025) 091802 Fulltext: CMS-SMP-24-015-arXiv - PDF; 2505.20483 - PDF; document - PDF; External links: Additional information for the analysis; CMS AuthorList
3.
Measurements of inclusive and differential Higgs boson production cross sections at $ \sqrt{s} = $ 13.6 TeV in the $ \mathrm{H}\to\gamma\gamma $ decay channel / CMS Collaboration
Inclusive and differential cross sections for Higgs boson production in proton-proton collisions at a centre-of-mass energy of 13.6 TeV are measured using data collected with the CMS detector at the LHC in 2022, corresponding to an integrated luminosity of 34.7 fb$ ^{-1} $. Events with the diphoton final state are selected, and the measured inclusive fiducial cross section is $ \sigma_{\text{fid}}= $ 74 $ \pm $ 11 (stat) $ ^{+5}_{-4} $ (syst) fb, in agreement with the standard model prediction of 67.8 $ \pm $ 3.8 fb. [...]
arXiv:2504.17755; CMS-HIG-23-014; CERN-EP-2025-067; CMS-HIG-23-014-003.- Geneva : CERN, 2025 - 54 p. - Published in : JHEP 2509 (2025) 070 Fulltext: CMS-HIG-23-014-arXiv - PDF; 2504.17755 - PDF; document - PDF; External links: Additional information for the analysis; CMS AuthorList
4.
Search for jet quenching with dijets from high-multiplicity pPb collisions at $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 8.16 TeV / CMS Collaboration
The first measurement of the dijet transverse momentum balance $ x_{j} $ in proton-lead (pPb) collisions at a nucleon-nucleon center-of-mass energy of $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 8.16 TeV is presented. The $ x_{j} $ observable, defined as the ratio of the subleading over leading jet transverse momentum in a dijet pair, is used to search for jet quenching effects. [...]
arXiv:2504.08507; CMS-HIN-23-010; CERN-EP-2025-043; CMS-HIN-23-010-003.- Geneva : CERN, 2025-07-09 - 57 p. - Published in : JHEP 2507 (2025) 118 Fulltext: CMS-HIN-23-010-arXiv - PDF; 2504.08507 - PDF; b5c198af752e6da247a738abac5e0b3f - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
5.
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
6.
Search for vector-like leptons with long-lived particle decays in the CMS muon system in proton-proton collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
A first search is presented for vector-like leptons (VLLs) decaying into a light long-lived pseudoscalar boson and a standard model $ \tau $ lepton. The pseudoscalar boson is assumed to have a mass of 2 GeV and to decay exclusively into a pair of photons. [...]
arXiv:2503.16699; CMS-EXO-23-015; CERN-EP-2025-021; CMS-EXO-23-015-003.- Geneva : CERN, 2025-08-20 - 37 p. - Published in : JHEP 2508 (2025) 156 Fulltext: CMS-EXO-23-015-arXiv - PDF; 2503.16699 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
7.
Probing Gluon Fluctuations in Nuclei with the First Energy-Dependent Measurement of Incoherent <math display="inline"><mi>J</mi><mo>/</mo><mi>ψ</mi></math> Photoproduction in Ultraperipheral PbPb Collisions / CMS Collaboration
Incoherent $ \mathrm{J}/\psi $ photoproduction in heavy ion ultraperipheral collisions (UPCs), in which the photon interacts with localized, fluctuating gluonic hotspots rather than the entire nucleus, provides a unique probe of those fluctuations. This study presents the first measurement of the dependence of this photoproduction yield on the photon-nucleon center-of-mass energy ($ W_{\gamma\mathrm{N}} $), using PbPb UPCs at a nucleon-nucleon center-of-mass energy of 5.02 TeV. [...]
arXiv:2503.08903; CMS-HIN-23-009; CERN-EP-2025-030; CMS-HIN-23-009-003.- Geneva : CERN, 2025-09-09 - 22 p. - Published in : Phys. Rev. Lett. 135 (2025) 112301 Fulltext: CMS-HIN-23-009-arXiv - PDF; 2503.08903 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
8.
Observation of the charged-particle multiplicity dependence of $ \sigma_{\psi(2\text{S})} /\sigma_{\mathrm{J}/\psi} $ in $p$-Pb collisions at 8.16 TeV / CMS Collaboration
Bound states of charm and anticharm quarks, known as charmonia, have a rich spectroscopic structure that can be used to probe the dynamics of hadron production in high-energy hadron collisions. Here, the cross section ratio of excited $ (\psi(2\text{S})) $ and ground state $ (\mathrm{J}/\psi ) $ vector mesons is measured as a function of the charged-particle multiplicity in proton-lead (pPb ) collisions at a center-of-mass (CM) energy per nucleon pair of 8.16 TeV. [...]
arXiv:2503.02139; CMS-HIN-24-001; CERN-EP-2025-006; CMS-HIN-24-001-003.- Geneva : CERN, 2025-08-25 - 37 p. - Published in : Phys. Rev. Lett. 135 (2025) 092301 Fulltext: CMS-HIN-24-001-arXiv - PDF; 2503.02139 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
9.
Search for medium effects using jet axis decorrelation in inclusive jets from PbPb collisions at $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 5.02 TeV / CMS Collaboration
The jet axis decorrelation in inclusive jets is studied using lead-lead (PbPb) collisions at a center-of-mass energy per nucleon pair of 5.02 TeV. The jet axis decorrelation is defined as the angular difference between two definitions of the jet axis. [...]
arXiv:2502.13020; CMS-HIN-24-010; CERN-EP-2024-345; CMS-HIN-24-010-003.- Geneva : CERN, 2025-06-12 - 39 p. - Published in : JHEP 2506 (2025) 120 Fulltext: CMS-HIN-24-010-arXiv - PDF; 2502.13020 - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
10.
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

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