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CERN Document Server 12 records found  1 - 10próximo  jump to record: Search took 0.78 seconds. 
1.
Development of the CMS detector for the CERN LHC Run 3 / CMS Collaboration
Since the initial data taking of the CERN LHC, the CMS experiment has undergone substantial upgrades and improvements. This paper discusses the CMS detector as it is configured for the third data-taking period of the CERN LHC, Run 3, which started in 2022. [...]
arXiv:2309.05466; CMS-PRF-21-001; CERN-EP-2023-136; CMS-PRF-21-001-003.- Geneva : CERN, 2024-05-23 - 257 p. - Published in : JINST 19 (2024) P05064 Fulltext: 2309.05466 - PDF; CMS-PRF-21-001-arXiv - PDF; Fulltext from Publisher: PDF; External links: Additional information for the analysis; CMS AuthorList
In : The Large Hadron Collider and The Experiments for Run 3
2.
Strategies and performance of the CMS silicon tracker alignment during LHC Run 2 / CMS Collaboration
The strategies for and the performance of the CMS silicon tracking system alignment during the 2015-2018 data-taking period of the LHC are described. The alignment procedures during and after data taking are explained. [...]
arXiv:2111.08757; CMS-TRK-20-001; CERN-EP-2021-203; CMS-TRK-20-001-003.- Geneva : CERN, 2022-08-11 - 45 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1037 (2022) 166795 Fulltext: fermilab-pub-21-673-cms - PDF; Publication - PDF; 2111.08757 - PDF; CMS-TRK-20-001-arXiv - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
3.
Measurements of surface and bulk radiation damage effects in silicon detectors for Phase-2 CMS Outer Tracker / Mariani, Valentina (INFN, Perugia ; Perugia U.) ; Moscatelli, Francesco (INFN, Perugia ; Perugia U.) ; Morozzi, Arianna (INFN, Perugia) ; Passeri, Daniele (INFN, Perugia ; Perugia U.) ; Mattiazzo, Serena (INFN, Padua) ; Bergauer, Thomas (Vienna, OAW) ; Dragicevic, Marko (Vienna, OAW) ; Hinger, Viktoria (Vienna, OAW) ; Dierlamm, Alexander (KIT, Karlsruhe) /CMS Collaboration
In this work we address the effects of bulk and surface damages on detectors fabricated by Hamamatsu on standard float zone (FZ) p-type material with an active thickness of 290 $\mu$m or thinned to 240 $\mu$m. In order to disentangle the effects of the two main radiation damage mechanisms, ionization effects and atomic displacement, the structures underwent two types of radiation: X-ray with doses from 0.05 to 70 Mrad (SiO$_2$) and neutron in the range of 1$-$10 $\times$ 10$^{14}$ n$_{eq}$/cm$^2$ 1 MeV equivalent. The combined surface and bulk damage could be investigated in structures that underwent both types of irradiation. A wide set of measurements has been carried out on the test structures for a complete characterization..
CMS-CR-2020-049.- Geneva : CERN, 2020 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 980 (2020) 164423 Fulltext: PDF;
In : 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors (HSTD), Hiroshima, Japan, 14 - 18 Dec 2019, pp.164423
4.
A Study of the Radiation Tolerance of CVD Diamond to 70 MeV Protons, Fast Neutrons and 200 MeV Pions / RD42 Collaboration
We measured the radiation tolerance of commercially available diamonds grown by the Chemical Vapor Deposition process by measuring the charge created by a 120 GeV hadron beam in a 50 μm pitch strip detector fabricated on each diamond sample before and after irradiation. We irradiated one group of samples with 70 MeV protons, a second group of samples with fast reactor neutrons (defined as energy greater than 0.1 MeV), and a third group of samples with 200 MeV pions, in steps, to (8.8±0.9) × 1015 protons/cm2, (1.43±0.14) × 1016 neutrons/cm2, and (6.5±1.4) × 1014 pions/cm2, respectively. [...]
2020 - 19 p. - Published in : Sensors 20 (2020) 6648 Fulltext: PDF;
5.
A comprehensive numerical simulation of heavily irradiated p-type and n-type silicon detectors / Petasecca, Marco (Perugia U. ; INFN, Perugia) ; Moscatelli, Francesco (Perugia U. ; INFN, Perugia ; IMM, Bologna) ; Passeri, Daniele (Perugia U. ; INFN, Perugia) ; Pignatel, Giorgio Umberto (Perugia U. ; INFN, Perugia) ; Scarpello, Carlo (Perugia U.) ; Caprai, Giovanni (Perugia U.)
In the framework of the CERN-RD50 collaboration, the adoption of p-type substrates has been proposed as a suitable mean to improve the radiation hardness of silicon detectors up to fluences of $10^{16} \rm{n}/\rm{cm}^2$. In this work the simulated electrical characteristics of irradiated p-type and n-type detectors are reported, for comparison with experimental measurements collected from the literature. [...]
2005 - 4 p. - Published in : 10.1109/NSSMIC.2005.1596601
In : 52nd IEEE Nuclear Science Symposium and Medical Imaging Conference, San Juan, Puerto Rico, 23 - 29 Oct 2005, pp.1490-1493
6.
Precision measurement of the structure of the CMS inner tracking system using nuclear interactions / CMS Collaboration
The structure of the CMS inner tracking system has been studied using nuclear interactions of hadrons striking its material. Data from proton-proton collisions at a center-of-mass energy of 13 TeV recorded in 2015 at the LHC are used to reconstruct millions of secondary vertices from these nuclear interactions. [...]
arXiv:1807.03289; CMS-TRK-17-001; CERN-EP-2018-144; CMS-TRK-17-001-003.- Geneva : CERN, 2018-10-29 - 41 p. - Published in : JINST 13 (2018) P10034 Fulltext: 1807.03289 - PDF; fulltext1682069 - PDF; Fulltext from Publisher: PDF; External link: Figures, tables and other information
7.
Description and performance of track and primary-vertex reconstruction with the CMS tracker / CMS Collaboration
A description is provided of the software algorithms developed for the CMS tracker both for reconstructing charged-particle trajectories in proton-proton interactions and for using the resulting tracks to estimate the positions of the LHC luminous region and individual primary-interaction vertices. Despite the very hostile environment at the LHC, the performance obtained with these algorithms is found to be excellent. [...]
arXiv:1405.6569; CMS-TRK-11-001; CERN-PH-EP-2014-070; CERN-PH-EP-2014-070; CMS-TRK-11-001.- Geneva : CERN, 2014-10-16 - 80 p. - Published in : JINST 9 (2014) P10009 Fulltext: cms-trk-11-001-arxiv - PDF; openaccess_2014_J._Inst._9_P10009 - PDF; arXiv:1405.6569 - PDF; IOP Open Access article: PDF; External links: Fulltext; Open Access fulltext
8.
Alignment of the CMS tracker with LHC and cosmic ray data / CMS Collaboration
The central component of the CMS detector is the largest silicon tracker ever built. The precise alignment of this complex device is a formidable challenge, and only achievable with a significant extension of the technologies routinely used for tracking detectors in the past. [...]
arXiv:1403.2286; CMS-TRK-11-002; CERN-PH-EP-2014-028; CMS-TRK-11-002; CERN-PH-EP-2014-028.- Geneva : CERN, 2014-06-06 - 56 p. - Published in : JINST 9 (2014) P06009 Fulltext: cms-trk-11-002-arxiv - PDF; fermilab-pub-14-075-cms - PDF; arXiv:1403.2286 - PDF; IOP Open Access article: PDF;
9.
A New Boson with a Mass of 125 GeV Observed with the CMS Experiment at the Large Hadron Collider / CMS Collaboration
The Higgs boson was postulated nearly five decades ago within the framework of the standard model of particle physics and has been the subject of numerous searches at accelerators around the world. Its discovery would verify the existence of a complex scalar field thought to give mass to three of the carriers of the electroweak force—the W+, W–, and Z0 bosons—as well as to the fundamental quarks and leptons. [...]
Geneva : CERN, 2012 - 16 p. - Published in : Science 338 (2012) 1569-1575 Preprint: PDF; External link: Supplementary material
In : Breakthrough of the year
10.
Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC / CMS Collaboration
Results are presented from searches for the standard model Higgs boson in proton-proton collisions at $\sqrt{s}$=7 and 8 TeV in the CMS experiment at the LHC, using data samples corresponding to integrated luminosities of up to 5.1 inverse femtobarns at 7 TeV and 5.3 inverse femtobarns at 8 TeV. The search is performed in five decay modes: $\gamma\gamma$, ZZ, WW, $\tau^+ \tau^-$, and $b\bar{b}$. [...]
arXiv:1207.7235; CMS-HIG-12-028; CERN-PH-EP-2012-220; CMS-HIG-12-028; CERN-PH-EP-2012-220.- Geneva : CERN, 2012-08-17 - 32 p. - Published in : Phys. Lett. B 716 (2012) 30-61 Elsevier Open Access article: PDF; Fulltext: PDF; External links: Press Release; Interactions.org article; DOE Science Highlight
In : Higgs booklet, pp.30

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