CERN Accelerating science

CERN Document Server Намерени са 216 записа  1 - 10следващкрай  отиване на запис: Търсенето отне 0.56 секунди. 
1.
CMS Upgrades for the High-Luminosity LHC Era / Fernandez Perez Tomei, Thiago Rafael (SAO_PAULO) /CMS Collaboration
The High-Luminosity LHC (HL-LHC) era, set to begin in 2029, will provide the general-purpose experiments with an instantaneous luminosity of up to $\mathcal{L} = 7.5\times10^{34}$\,cm$^{-2}$\,s$^{-1}$ from pp collisions at a centre-of-mass energy of 14 TeV. To fully exploit this unprecedented data set, the experimental setups must be upgraded to withstand the challenging conditions of the HL-LHC, including up to 200 simultaneous collisions per bunch crossing and a substantial radiation dose delivered to the detectors. [...]
CMS-CR-2024-122.- Geneva : CERN, 2024 - 9 p. Fulltext: PDF;
In : 12th Edition of the Large Hadron Collider Physics Conference, Boston, Us, 3 - 7 Jun 2024
2.
Measurements of polarization and spin correlation and observation of entanglement in top quark pairs using lepton+jets events from proton-proton collisions at $ \sqrt{s}= $ 13 TeV / CMS Collaboration
Measurements of the polarization and spin correlation in top quark pairs ($ \mathrm{t} \overline{\mathrm{t}} $) are presented using events with a single electron or muon and jets in the final state. The measurements are based on proton-proton collision data from the LHC at $ \sqrt{s}= $ 13 TeV collected by the CMS experiment, corresponding to an integrated luminosity of 138 fb$ ^{-1} $. [...]
arXiv:2409.11067; CMS-TOP-23-007; CERN-EP-2024-231; CMS-TOP-23-007-003.- Geneva : CERN, 2024-12-01 - 69 p. - Published in : Phys. Rev. D 110 (2024) 112016 Fulltext: 2409.11067 - PDF; d083e382327695b93f0f720533452833 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
3.
Measurement of the $B^0_\mathrm{s}\to J/\psi K^0_\mathrm{S}$ effective lifetime from proton-proton collisions at $\sqrt{s} = 13$ TeV / CMS Collaboration
The effective lifetime of the $ \mathrm{B}_{s}^{0} $ meson in the decay $ \mathrm{B}_{s}^{0} \to \mathrm{J}/\psi\mathrm{K^0_S} $ is measured using data collected during 2016-2018 with the CMS detector in $ \sqrt{s}= $ 13 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 140 fb$ ^{-1} $. The effective lifetime is determined by performing a two-dimensional unbinned maximum likelihood fit to the $ \mathrm{B}_{s}^{0} $ meson invariant mass and proper decay time distributions. [...]
arXiv:2407.13441; CMS-BPH-22-001; CERN-EP-2024-172; CMS-BPH-22-001-003.- Geneva : CERN, 2024-10-31 - 37 p. - Published in : JHEP 2410 (2024) 247 Fulltext: 2407.13441 - PDF; 0c4812e5f66e5d86c2eea85f3fce34f9 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
4.
Measurement of boosted Higgs bosons produced via vector boson fusion or gluon fusion in the $ \mathrm{H}\to\mathrm{b}\overline{\mathrm{b}} $ decay mode using LHC proton-proton collision data at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
A measurement is performed of Higgs bosons produced with high transverse momentum ($ p_{\mathrm{T}} $) via vector boson or gluon fusion in proton-proton collisions. The result is based on a data set with a center-of-mass energy of 13 TeV collected in 2016-2018 with the CMS detector at the LHC and corresponds to an integrated luminosity of 138 fb$ ^{-1} $. [...]
arXiv:2407.08012; CMS-HIG-21-020; CERN-EP-2024-162; CMS-HIG-21-020-003.- Geneva : CERN, 2024-12-04 - 47 p. - Published in : JHEP 2412 (2024) 035 Fulltext: 2407.08012 - PDF; 1ea1f962610d94c17626a54d23564b29 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
5.
Observation of double $ \mathrm{J}/\psi $ meson production in pPb collisions at $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} $ = 8.16 TeV / CMS Collaboration
The first observation of the concurrent production of two $ \mathrm{J}/\psi $ mesons in proton-nucleus collisions is presented. The analysis is based on a proton-lead (pPb) data sample recorded at a nucleon-nucleon center-of-mass energy of 8.16 TeV by the CMS experiment at the CERN LHC and corresponding to an integrated luminosity of 174.6 nb$^{-1}$. [...]
arXiv:2407.03223; CMS-HIN-23-013; CERN-EP-2024-167; CMS-HIN-23-013-003.- Geneva : CERN, 2024-11-01 - 41 p. - Published in : Phys. Rev. D 110 (2024) 092002 Fulltext: 2407.03223 - PDF; 5780860133a2c27f57387f5e7d51e476 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
6.
Combination of measurements of the top quark mass from data collected by the ATLAS and CMS experiments at $\sqrt{s}=7$ and 8 TeV / ATLAS Collaboration
A combination of fifteen top quark mass measurements performed by the ATLAS and CMS experiments at the LHC is presented. The data sets used correspond to an integrated luminosity of up to 5 and 20$^{-1}$ of proton-proton collisions at center-of-mass energies of 7 and 8 TeV, respectively. [...]
arXiv:2402.08713; CMS-TOP-22-001; ATLAS-TOPQ-2019-13; CERN-EP-2024-020.- 2024-06-27 - 37 p. - Published in : Phys. Rev. Lett. 132 (2024) 261902 Fulltext: 2402.08713 - PDF; 6937cc72640d896305c353aa4c9dc646 - PDF; Fulltext from Publisher: PDF; External links: Physics Synopsis; Fermilab Library Server
7.
Search for $CP$ violation in D$^0$$\to$ K$^0_\mathrm{S}$K$^0_\mathrm{S}$ decays in proton-proton collisions at $\sqrt{s}$ = 13 TeV / CMS Collaboration
A search is reported for charge-parity CP violation in $ \mathrm{D^0}\to\mathrm{K^0_S}\mathrm{K^0_S} $ decays, using data collected in proton-proton collisions at $ \sqrt{s} = $ 13 TeV recorded by the CMS experiment in 2018. The analysis uses a dedicated data set that corresponds to an integrated luminosity of 41.6 fb$ ^{-1} $, which consists of about 10 billion events containing a pair of b hadrons, nearly all of which decay to charm hadrons. [...]
arXiv:2405.11606; CMS-BPH-23-005; CERN-EP-2024-120; CMS-BPH-23-005-003.- Geneva : CERN, 2024-12-06 - 26 p. - Published in : Eur. Phys. J. C 84 (2024) 1264 Fulltext: 2405.11606 - PDF; 02152eab556460c47733577874b1b8f7 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
8.
Search for new physics in high-mass diphoton events from proton-proton collisions at $ \sqrt{s}= $ 13 TeVSearch for new physics in high-mass diphoton events from proton-proton collisions at $ \sqrt{\textrm{s}} $ = 13 TeV / CMS Collaboration
Results are presented from a search for new physics in high-mass diphoton events from proton-proton collisions at $ \sqrt{s}= $ 13 TeV. The data set was collected in 2016-2018 with the CMS detector at the LHC and corresponds to an integrated luminosity of 138 fb$ ^{-1} $. [...]
arXiv:2405.09320; CMS-EXO-22-024; CERN-EP-2024-109; CMS-EXO-22-024-003.- Geneva : CERN, 2024-08-27 - 41 p. - Published in : JHEP 2408 (2024) 215 Fulltext: CMS-EXO-22-024-arXiv - PDF; 2405.09320 - PDF; jt - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
9.
Search for production of a single vector-like quark decaying to tH or tZ in the all-hadronic final state in pp collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
A search for electroweak production of a single vector-like T quark in association with a bottom (b) quark in the all-hadronic decay channel is presented. This search uses proton-proton collision data at $ \sqrt{s} = $ 13 TeV collected by the CMS experiment at the CERN LHC during 2016-2018, corresponding to an integrated luminosity of 138 fb$ ^{-1} $. [...]
arXiv:2405.05071; CMS-B2G-19-001; CERN-EP-2024-067; CMS-B2G-19-001-003.- Geneva : CERN, 2024-10-01 - 27 p. - Published in : Phys. Rev. D 110 (2024) 072012 Fulltext: CMS-B2G-19-001-arXiv - PDF; 2405.05071 - PDF; FERMILAB-PUB-24-0626-CMS - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
10.
Search for the Z boson decay to $ \tau\tau\mu\mu $ in proton-proton collisions at $ \sqrt{s}= $ 13 TeV / CMS Collaboration
The first search for the $\mathrm{Z}$ boson decay to $ \tau\tau\mu\mu $ at the CERN LHC is presented, based on data collected by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 138 fb$ ^{-1} $. The data are compatible with the predicted background. [...]
arXiv:2404.18298; CMS-SMP-22-016; CERN-EP-2024-107; CMS-SMP-22-016-003.- Geneva : CERN, 2024-10-18 - 20 p. - Published in : Phys. Rev. Lett. 133 (2024) 161805 Fulltext: 2404.18298 - PDF; FERMILAB-PUB-24-0347-CMS - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server

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