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1.
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Irradiation aging of the CMS Drift Tube muon detector
/ Ferrero, D.D. Redondo ; Abbiendi, G. ; Maestre, J. Alcaraz ; Fernández, A. Álvarez ; González, B. Álvarez ; Amapane, N. ; Bachiller, I. ; Barcala, J.M. ; Barcellan, L. ; Battilana, C. et al.
During the High Luminosity LHC, the Drift Tube chambers installed in the CMS detector need to operate with an integrated dose ten times higher than expected at the LHC due to the increase in integrated luminosity from 300 fb${-1}$ to 3000 fb$^{-1}$. Irradiations have been performed to assess the performance of the detector under such conditions and to characterize the radiation aging of the detector. [...]
2020 - 6 p.
- Published in : Radiat. Phys. Chem. 172 (2020) 108747
In : 3rd International Conference on Dosimetry and its Applications, Lisbon, Portugal, 27 - 31 May 2019, pp.108747
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2.
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Motion of CMS detector and mechanical structures during Magnet Cycles and Stability Periods from 2008 to 2013 as observed by the Link Alignment System
/ Arce, P (Madrid, CIEMAT) ; Barcala, J M (Madrid, CIEMAT) ; Calvo, E (Madrid, CIEMAT) ; Ferrando, A (Madrid, CIEMAT) ; Josa, M I (Madrid, CIEMAT) ; Molinero, A (Madrid, CIEMAT) ; Navarrete, J (Madrid, CIEMAT) ; Oller, J C (Madrid, CIEMAT) ; Brochero, J (Cantabria U., Santander) ; Calderón, A (Cantabria U., Santander) et al.
Magnet Cycles and Stability Periods of the CMS Experiment are studied with the Alignment Link System data recorded along the 2008–2013 years of operation. The motions of the mechanical structures due to the magnetic field forces are studied and the mechanical stability of the detector during the physics data taking periods is verified..
Elsevier, 2016 - 20 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 813 (2016) 36-55
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3.
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Study of the effects of radiation on the CMS Drift Tubes Muon Detector for the HL-LHC
/ Abbiendi, G. (INFN, Bologna) ; Alcaraz Maestre, J. (Madrid, CIEMAT) ; Álvarez Fernández, A. (Madrid, CIEMAT) ; Álvarez González, B. (ICTEA, Oviedo) ; Amapane, N. (INFN, Turin ; Turin U.) ; Bachiller, I. (Madrid, CIEMAT) ; Barcala, J.M. (Madrid, CIEMAT) ; Barcellan, L. (INFN, Padua) ; Battilana, C. (INFN, Bologna ; U. Bologna (main)) ; Bellato, M. (INFN, Padua) et al.
/CMS Muon group
The CMS drift tubes (DT) muon detector, built for withstanding the LHC expected integrated and instantaneous luminosities, will be used also in the High Luminosity LHC (HL-LHC) at a 5 times larger instantaneous luminosity and, consequently, much higher levels of radiation, reaching about 10 times the LHC integrated luminosity. Initial irradiation tests of a spare DT chamber at the CERN gamma irradiation facility (GIF++), at large ($\sim$O(100)) acceleration factor, showed ageing effects resulting in a degradation of the DT cell performance. [...]
arXiv:1912.06178; CMS CR-2019/159.-
Geneva : CERN, 2019-12-11 - 10 p.
- Published in : JINST
Fulltext: CR2019_159 - PDF; 1912.06178 - PDF;
In : 21st International Workshop on Radiation Imaging Detectors, Kolympari, Chania, Greece, 7 - 12 Jul 2019, pp.C12010
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4.
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The network of photodetectors and diode lasers of the CMS Link alignment system
/ Arce, P (Madrid, CIEMAT) ; Barcala, J M (Madrid, CIEMAT) ; Calvo, E (Madrid, CIEMAT) ; Ferrando, A (Madrid, CIEMAT) ; Josa, M I (Madrid, CIEMAT) ; Molinero, A (Madrid, CIEMAT) ; Navarrete, J (Madrid, CIEMAT) ; Oller, J C (Madrid, CIEMAT) ; Brochero, J (Cantabria U., Santander) ; Calderón, A (Cantabria U., Santander) et al.
The central feature of the CMS Link alignment system is a network of Amorphous Silicon Position Detectors distributed throughout the muon spectrometer that are connected by multiple laser lines. The data collected during the years from 2008 to 2015 is presented confirming an outstanding performance of the photo sensors during more than seven years of operation. [...]
2018 - 23 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 896 (2018) 1-23
Fulltext: PDF;
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5.
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The performance of the CMS muon detector in proton-proton collisions at $\sqrt{s}$ = 7 TeV at the LHC
/ CMS Collaboration
The performance of all subsystems of the CMS muon detector has been studied by using a sample of proton--proton collision data at $\sqrt{s}$ = 7 TeV collected at the LHC in 2010 that corresponds to an integrated luminosity of approximately 40 inverse picobarns. The measured distributions of the major operational parameters of the drift tube (DT), cathode strip chamber (CSC), and resistive plate chamber (RPC) systems met the design specifications. [...]
arXiv:1306.6905; CMS-MUO-11-001; CERN-PH-EP-2013-072; CMS-MUO-11-001; CERN-PH-EP-2013-072.-
Geneva : CERN, 2013-11-04 - 101 p.
- Published in : JINST 8 (2013) P11002
Fulltext: PDF; IOP Open Access article: PDF; External link: FERMILABTODAY
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6.
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CMS structural equilibrium at constant magnetic field as observed by the Link Alignment System
/ Arce, Pedro (Madrid, CIEMAT) ; Barcala, Jose Miguel (Madrid, CIEMAT) ; Calvo, Enrique (Madrid, CIEMAT) ; Ferrando, Antonio (Madrid, CIEMAT) ; Josa, Maria Isabel (Madrid, CIEMAT) ; Molinero, Antonio (Madrid, CIEMAT) ; Navarrete, J (Madrid, CIEMAT) ; Brochero, J (Cantabria Inst. of Phys.) ; Calderon, Alicia (Cantabria Inst. of Phys.) ; Fernandez, Marcos (Cantabria Inst. of Phys.) et al.
A study of the time required for the CMS detector to reach its structural equilibrium once the magnetic field is ramped to its operational value of 3.8 T is presented. In addition, the results from a stability monitoring at 3.8 T over a nine-month period are given..
CMS-NOTE-2011-003.-
Geneva : CERN, 2011 - 24 p.
Fulltext: PDF;
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7.
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Commissioning and performance of the CMS pixel tracker with cosmic ray muons
/ CMS Collaboration
The pixel detector of the Compact Muon Solenoid experiment consists of three barrel layers and two disks for each endcap. The detector was installed in summer 2008, commissioned with charge injections, and operated in the 3.8 T magnetic field during cosmic ray data taking. [...]
arXiv:0911.5434; CMS-CFT-09-001; CMS-CFT-09-001.-
Geneva : CERN, 2010 - 37 p.
- Published in : JINST 5 (2010) T03007
Fulltext: arXiv:0911.5434 - PDF; fermilab-pub-10-144-cms - PDF; IOP Open Access article: PDF;
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8.
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Measurement of the muon stopping power in lead tungstate
/ CMS Collaboration
A large sample of cosmic ray events collected by the CMS detector is exploited to measure the specific energy loss of muons in the lead tungstate (PbWO$_4$) of the electromagnetic calorimeter. The measurement spans a momentum range from 5 GeV/$c$ to 1 TeV/$c$. [...]
arXiv:0911.5397; CMS-CFT-09-005; CMS-CFT-09-005.-
2010 - 31 p.
- Published in : JINST 5 (2010) P03007
Fulltext: fermilab-pub-10-146-cms - PDF; arXiv:0911.5397 - PDF; IOP Open Access article: PDF;
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9.
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10.
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Performance of CMS muon reconstruction in cosmic-ray events
/ CMS Collaboration
The performance of muon reconstruction in CMS is evaluated using a large data sample of cosmic-ray muons recorded in 2008. Efficiencies of various high-level trigger, identification, and reconstruction algorithms have been measured for a broad range of muon momenta, and were found to be in good agreement with expectations from Monte Carlo simulation. [...]
arXiv:0911.4994; CMS-CFT-09-014; CMS-CFT-09-014.-
2010 - 47 p.
- Published in : JINST 5 (2010) T03022
Fulltext: arXiv:0911.4994 - PDF; fermilab-pub-10-148-cms - PDF; IOP Open Access article: PDF; External link: Fulltext
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