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CERN Document Server 284 notices trouvées  1 - 10suivantfin  aller vers la notice: La recherche a duré 1.11 secondes. 
1.
Experimental Study of Different Silicon Sensor Options for the Upgrade of the CMS Outer Tracker / Tracker Group of the CMS Collaboration
During the high-luminosity phase of the LHC (HL-LHC), planned to start around 2027, the accelerator is expected to deliver an instantaneous peak luminosity of up to $7.5\times10^{34}$ cm$^{-2}$s$^{-1}$. A total integrated luminosity of $3000$ or even $4000$~fb$^{-1}$ is foreseen to be delivered to the general purpose detectors ATLAS and CMS over a decade, thereby increasing the discovery potential of the LHC experiments significantly. [...]
arXiv:2001.02023.- 2020-04-22 - 34 p. - Published in : JINST 15 (2020) P04017 Fulltext: PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF;
2.
Measurement of associated Z + charm production in proton-proton collisions at $\sqrt{s} = $ 8 TeV / CMS Collaboration
A study of the associated production of a Z boson and a charm quark jet (Z + c), and a comparison to production with a b quark jet (Z + b), in pp collisions at a centre-of-mass energy of 8 TeV are presented. The analysis uses a data sample corresponding to an integrated luminosity of 19.7 fb$^{-1}$, collected with the CMS detector at the CERN LHC. [...]
arXiv:1711.02143; CMS-SMP-15-009; CERN-EP-2017-257; CMS-SMP-15-009-003.- Geneva : CERN, 2018-04-09 - 50 p. - Published in : Eur. Phys. J. C 78 (2018) 287 Article from SCOAP3: PDF; Fulltext: PDF; External links: Additional information for the analysis; CMS AuthorList
3.
Pseudorapidity and transverse momentum dependence of flow harmonics in pPb and PbPb collisionsDifferential flow harmonics v_n in pPb and PbPb collisions / CMS Collaboration
Measurements of azimuthal angular correlations are presented for high-multiplicity pPb collisions at $\sqrt{s_{\mathrm{NN}}} = $ 5.02 TeV and peripheral PbPb collisions at $\sqrt{s_{\mathrm{NN}}} = $ 2.76 TeV. The data used in this work were collected with the CMS detector at the CERN LHC. [...]
arXiv:1710.07864; CMS-HIN-15-008; CERN-EP-2017-218; CMS-HIN-15-008-003.- Geneva : CERN, 2018-10-05 - 25 p. - Published in : Phys. Rev. C 98 (2018) 044902 Fulltext: openaccess_PhysRevC.98.044902 - PDF; 1710.07864 - PDF; Preprint: PDF; External link: Open Access fulltext
4.
Study of dijet events with a large rapidity gap between the two leading jets in pp collisions at $\sqrt{s}$ = 7 TeV / CMS Collaboration
Events with no charged particles produced between the two leading jets are studied in proton-proton collisions at $\sqrt{s}$ = 7 TeV. The jets were required to have transverse momentum $p_\mathrm{T}^{\text{jet}}$ > 40 GeV and pseudorapidity 1.5 $<|\eta^{\text{jet}}| <$ 4.7, and to have values of $\eta^{\text{jet}}$ with opposite signs. [...]
arXiv:1710.02586; CMS-FSQ-12-001; CERN-EP-2017-141; CMS-FSQ-12-001-003.- Geneva : CERN, 2018-03-21 - 27 p. Article from SCOAP3: PDF; Fulltext: PDF; External links: Additional information for the analysis; CMS AuthorList
5.
Characterisation of Irradiated Thin Silicon Sensors for the CMS Phase II Pixel Upgrade / Centis Vignali, Matteo (Hamburg U.) ; Eckstein, Doris (DESY) ; Eichhorn, Thomas (DESY) ; Garutti, Erika (Hamburg U.) ; Junkes, Alexandra (Hamburg U.) ; Steinbrueck, Georg (Hamburg U.) ; bigskip ; Institut fur Experimentalphysik ; Luruper Chaussee ; Hamburg et al.
The high luminosity upgrade of the Large Hadron Collider, foreseen for 2025, necessitates the replacement of the CMS experiment's silicon tracker. The innermost layer of the new pixel detector will be exposed to severe radiation, corresponding to a 1 MeV neutron equivalent fluence of up to $\Phi_{eq} = 2 \times 10^{16}$ cm$^{-2}$, and an ionising dose of $\approx 5$ MGy after an integrated luminosity of 3000 fb$^{-1}$. Thin, planar silicon sensors are good candidates for this application, since the degradation of the signal produced by traversing particles is less severe than for thicker devices. In this paper, the results obtained from the characterisation of 100 and 200\,$\mu$m thick p-bulk pad diodes and strip sensors irradiated up to fluences of $\Phi_{eq} = 1.3 \times 10^{16}$ cm$^{-2}$ are shown..
CMS-NOTE-2017-008; CERN-CMS-NOTE-2017-008.- Geneva : CERN, 2016 - 17 p. Fulltext: PDF;
6.
Search for supersymmetry with Higgs boson to diphoton decays using the razor variables at $\sqrt{s} = $ 13 TeV / CMS Collaboration
An inclusive search for anomalous Higgs boson production in the diphoton decay channel and in association with at least one jet is presented, using LHC proton-proton collision data collected by the CMS experiment at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 35.9 fb$^{-1}$. The razor variables $M_\mathrm{R}$ and $\mathrm{R}^2$, as well as the momentum and mass resolution of the diphoton system, are used to categorize events into different search regions. [...]
arXiv:1709.00384; CMS-SUS-16-045; CERN-EP-2017-158; CMS-SUS-16-045-003.- Geneva : CERN, 2018-04-10 - 25 p. - Published in : Phys. Lett. B 779 (2018) 166-190 Article from SCOAP3: PDF; Fulltext: PDF; External links: Additional information for the analysis; CMS AuthorList
7.
Characterisation of irradiated thin silicon sensors for the CMS phase II pixel upgrade / Adam, W (Vienna, OAW) ; Bergauer, T (Vienna, OAW) ; Brondolin, E (Vienna, OAW) ; Dragicevic, M (Vienna, OAW) ; Friedl, M (Vienna, OAW) ; Frühwirth, R (Vienna, OAW) ; Hoch, M (Vienna, OAW) ; Hrubec, J (Vienna, OAW) ; König, A (Vienna, OAW) ; Steininger, H (Vienna, OAW) et al. /Tracker Group
The high luminosity upgrade of the Large Hadron Collider, foreseen for 2026, necessitates the replacement of the CMS experiment’s silicon tracker. The innermost layer of the new pixel detector will be exposed to severe radiation, corresponding to a 1 MeV neutron equivalent fluence of up to $\Phi _{eq} = 2 \times 10^{16}$  cm$^{-2}$ , and an ionising dose of ${\approx } 5$  MGy after an integrated luminosity of 3000 fb$^{-1}$ . [...]
2017 - 13 p. - Published in : Eur. Phys. J. C 77 (2017) 567
8.
Measurement of normalized differential $\mathrm{t}\overline{\mathrm{t}}$ cross sections in the dilepton channel from pp collisions at $\sqrt{s} =$ 13 TeV / CMS Collaboration
Normalized differential cross sections for top quark pair production are measured in the dilepton (e$^+$e$^-$, $\mu^+\mu^-$, and $\mu^\mp$e$^\pm$) decay channels in proton-proton collisions at a center-of-mass energy of 13 TeV. The measurements are performed with data corresponding to an integrated luminosity of 2.1 fb$^{-1}$ using the CMS detector at the LHC. [...]
arXiv:1708.07638; CMS-TOP-16-007; CERN-EP-2017-120; CMS-TOP-16-007-003.- Geneva : CERN, 2018-04-11 - 46 p. - Published in : JHEP 04 (2017) 060 Article from SCOAP3: PDF; Fulltext: PDF; External links: Additional information for the analysis; CMS AuthorList
9.
Principal-component analysis of two-particle azimuthal correlations in PbPb and pPb collisions at CMS / CMS Collaboration
For the first time a principal-component analysis is used to separate out different orthogonal modes of the two-particle correlation matrix from heavy ion collisions. The analysis uses data from $\sqrt{s_{\mathrm{NN}}} = $ 2.76 TeV PbPb and $\sqrt{s_{\mathrm{NN}}} = $ 5.02 TeV pPb collisions collected by the CMS experiment at the LHC. [...]
arXiv:1708.07113; CMS-HIN-15-010; CERN-EP-2017-133; CMS-HIN-15-010-003.- Geneva : CERN, 2017-12-05 - 21 p. - Published in : Phys. Rev. C 96 (2017) 064902 Fulltext: openaccess_PhysRevC.96.064902 - PDF; arXiv:1708.07113 - PDF; External link: Open Access fulltext
10.
Search for vector-like light-flavor quark partners in proton-proton collisions at $\sqrt{s} = $8 TeV / CMS Collaboration
A search is presented for heavy vector-like quarks (VLQs) that couple only to light quarks in proton-proton collisions at $\sqrt{s} =$ 8 TeV at the LHC. The data were collected by the CMS experiment during 2012 and correspond to an integrated luminosity of 19.7 fb$^{-1}$. [...]
arXiv:1708.02510; CMS-B2G-12-016; CERN-EP-2017-145; CMS-B2G-12-016-003.- Geneva : CERN, 2018-04-11 - 68 p. Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList

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