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CERN Document Server 10 records found  Search took 1.39 seconds. 
1.
Progress Towards the Commissioning and Installation of the 2PACL CO$_2$ Cooling Control Systems for Phase II Upgrade of the ATLAS and CMS Experiments / Zwalinski, Lukasz (CERN) ; Bhanot, Viren (CERN) ; Ciupinski, Marcin (CERN) ; Daguin, Jerome (CERN) ; Davoine, Loïc (CERN) ; Doubek, Martin (CERN) ; Galuszka, Szymon (CERN) ; Herpin, Yann (CERN) ; Hulek, Wojciech (CERN) ; Pakulski, Tym (CERN) et al.
In the scope of the High Luminosity program of the Large Hadron Collider at CERN, the ATLAS and CMS experiments are advancing the preparation for the production, commissioning and installation of their new environment-friendly low-temperature detector cooling systems for their new trackers, calorimeters and timing layers. The selected secondary ¿on-detector¿ CO₂ pumped loop concept is the evolution of the successful 2PACL technique allowing for oil-free, stable, low-temperature control. [...]
2023 - 5 p. - Published in : JACoW ICALEPCS 2023 (2023) 802-806 Fulltext: PDF;
In : 19th International Conference on Accelerator and Large Experimental Physics Control Systems (ICALEPCS 2023), Cape Town, South Africa, 7 - 13 Oct 2023, pp.802-806
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2.
Progress in new environmental friendly low temperature detector cooling systems development for the ATLAS and CMS experiments / Zwalinski, L (CERN) ; Barroca, P (Norwegian U. Sci. Tech.) ; Bortolin, C (CERN) ; Bhanot, V (CERN) ; Collot, J (LPSC, Grenoble) ; Daguin, J (CERN) ; Davoine, L (CERN) ; Doubek, M (CERN) ; Giakoumi, D (CERN) ; Hanf, P (CERN) et al.
In the frame of the progress towards the High Luminosity Program of the Large Hadron Collider at CERN, the ATLAS and CMS experiments are boosting the preparation of their new environmental friendly low temperature detector cooling systems. This paper will present a general overview of the progress in development and construction of the future CO2 cooling systems for silicon detectors at ATLAS and CMS (trackers, calorimeters and timing layers), due for implementation during the 3rd Long Shut Down of LHC (LS3). [...]
2023 - Published in : Nucl. Instrum. Methods Phys. Res., A 1047 (2023) 167688
In : 15th Pisa Meeting on Advanced Detectors, La Biodola - Isola D'elba, Italy, 22 - 28 May 2022, pp.167688
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3.
The ATLAS experiment at the CERN Large Hadron Collider: a description of the detector configuration for Run 3 / ATLAS Collaboration
The ATLAS detector is installed in its experimental cavern at Point 1 of the CERN Large Hadron Collider. During Run 2 of the LHC, a luminosity of $\mathcal{L}=2\times 10^{34}\mathrm{cm}^{-2}\mathrm{s}^{-1}$ was routinely achieved at the start of fills, twice the design luminosity. [...]
arXiv:2305.16623; CERN-EP-2022-259.- Geneva : CERN, 2024-05-23 - 233 p. - Published in : JINST 19 (2024) P05063 Fulltext: 2305.16623 - PDF; document - PDF; External link: Previous draft version
In : The Large Hadron Collider and The Experiments for Run 3
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4.
Safety and reliability assessment of CO$_2$ refrigeration system for underground applications below -50 °C / Barroca, Pierre (CERN) ; Verlaat, Bart (CERN) ; Hafner, Armin (Norwegian U. Sci. Tech.) ; Blust, Stefanie (CERN) ; Hulek, Wojciech (CERN) ; Zwalinski, Lukasz (CERN) ; Teixeira, Daniella (CERN)
A new CO$_2$ refrigeration concept is evaluated to cool the ATLAS and CMS experiments installed close to 100 m underground, at the Large Hadron Collider (LHC) at CERN. The first prototype unit produced to validate the conceptual design and to assess safety and reliability of the system has been commissioned. [...]
2021 - Published in : 10.18462/iir.nh3-co2.2021.0024 External link: Fulltext
In : 9th IIR Conference on Ammonia and CO2 Refrigeration Technologies, Ohrid, North Macedonia, 16 - 17 Sep 2021, pp.30028961
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5.
An Evaluation of Schneider M580 HSBY PLC Redundancy in the R744 System A Cooling Unit / Teixeira, Daniella (Cape Town U.) ; Davoine, Loïc (CERN) ; Hulek, Wojciech (CERN) ; Zwalinski, Lukasz (CERN)
The Detector Technologies group at CERN has developed a 2-stage transcritical R744 cooling system as a service for future detector cooling. This is the first system in operation at CERN where Schneider HSBY (Hot Standby) redundant PLCs are used. [...]
2022 - 3 p. - Published in : JACoW ICALEPCS2021 (2022) 484-486 Fulltext: PDF;
In : 18th International Conference on Accelerator and Large Experimental Physics Control Systems, Online, 18 - 22 Oct 2021, pp.484-486
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6.
An Ultra-Low Temperature Transcritical R744 Refrigeration System for Future Detectors at CERN LHC / Barroca, Pierre (Norwegian U. Sci. Tech.) ; Hafner, Armin (Norwegian U. Sci. Tech.) ; Verlaat, Bart (CERN) ; Petagna, Paolo (CERN) ; Hulek, Wojciech (CERN) ; Zwalinski, Lukasz (CERN) ; Hanf, Pierre (CERN) ; Battistin, Michele (CERN) ; Davoine, Loic (CERN) ; Teixeira, Daniella (Cape Town U., Dept. Math.)
The cooling systems of the future tracking detectors of the ATLAS and CMS experiments at the Large Hadron Collider (LHC) at CERN will be entirely based on CO$_2$ refrigeration technology. The system is a booster refrigeration system, composed of a two stage primary part with transcritical R744 equipment and a low temperature secondary CO2 pumped loop. [...]
2021 - 15 p. - Published in : Appl. Sciences 11 (2021) 7399 Fulltext: PDF;
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7.
The CMS Phase-1 Pixel Detector Upgrade / CMS Tracker Group of the CMS Collaboration
The CMS detector at the CERN LHC features a silicon pixel detector as its innermost subdetector. The original CMS pixel detector has been replaced with an upgraded pixel system (CMS Phase-1 pixel detector) in the extended year-end technical stop of the LHC in 2016/2017. [...]
arXiv:2012.14304.- 2021-02-22 - 84 p. - Published in : JINST 16 (2021) P02027 Fulltext: 2012.14304 - PDF; fermilab-pub-20-697-cms - PDF; Fulltext from Publisher: PDF; Fulltext from publisher: PDF; External link: Fermilab Accepted Manuscript
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8.
Beam test performance of prototype silicon detectors for the Outer Tracker for the Phase-2 Upgrade of CMS / CMS Tracker Group Collaboration
A new CMS tracker detector will be installed for operation at the High Luminosity LHC (HL-LHC). This detector comprises modules with two closely spaced parallel sensor plates and front-end ASICs capable of transmitting tracking information to the CMS Level-1 (L1) trigger at the 40 MHz beam crossing rate. [...]
2020 - 32 p. - Published in : JINST 15 (2020) P03014 Fulltext: PDF;
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9.
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;
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10.
The DAQ and control system for the CMS Phase-1 pixel detector upgrade / Adam, W (Vienna, OAW) ; Bergauer, T (Vienna, OAW) ; Blöch, D (Vienna, OAW) ; Brondolin, E (Vienna, OAW) ; Dragicevic, M (Vienna, OAW) ; Frühwirth, R (Vienna, OAW) ; Hinger, V (Vienna, OAW) ; Steininger, H (Vienna, OAW) ; Beaumont, W (Antwerp U.) ; Croce, D Di (Antwerp U.) et al. /CMS
In 2017 a new pixel detector was installed in the CMS detector. This so-called Phase-1 pixel detector features four barrel layers in the central region and three disks per end in the forward regions. [...]
2019 - 36 p. - Published in : JINST 14 (2019) P10017 Fulltext: PDF;
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Veja também: nomes de autores similares
2 Hulek, W.
4 Hulek, Wojciech
1 Hulek, Wojciech Krzysztof
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