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Studies on supercritical carbon dioxide as a refrigerant for future detectors / Pedano Medina, Camila Rocio (KIT - Karlsruhe Institute of Technology (DE)) ; Petagna, Paolo (CERN) ; Mall-Gleissle, Susanne (Offenburg University of Applied Sciences) ; Wetzel, Thomas (Karlsruhe Institute of Technology)
High thermal capacities and low values of density and viscosity are some of the main characteristics of supercritical fluids. These, in combination with the nature of a supercritical fluid - a single phase fluid - make them very interesting candidates for the thermal management of High Energy Physics detectors. [...]
AIDAinnova-CONF-2024-007.- Geneva : CERN, 2023 Fulltext: PDF;

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Towards defining the optimal design parameters for a test setup studying heat transfer with carbon dioxide at supercritical conditions / Pedano Medina, Camila Rocio (KIT - Karlsruhe Institute of Technology (DE)) ; Petagna, Paolo (CERN) ; Mall-Gleissle, Susanne (Offenburg University of Applied Sciences)
As the demand for environmentally friendly refrigeration technologies continues to grow, the use of natural refrigerants for the thermal management of detectors for high-energy physics becomes increasingly relevant. While the use of boiling CO2 flows is well established at CERN for applications requiring cold conditions, this study focuses on investigating the heat transfer capabilities of carbon dioxide in supercritical conditions. [...]
AIDAinnova-CONF-2024-006.- Geneva : CERN, 2024 Fulltext: PDF;

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Cold Krypton system for the Phase III Upgrade of the LHC / Contiero, Luca (Norwegian University of Science and Technology (NTNU) (NO)) ; Banasiak, Krzysztof (Norwegian University of Science and Technology (NTNU) (NO)) ; Hafner, Armin (Norwegian University of Science and Technology (NTNU) (NO)) ; Verlaat, Bart (CERN) ; Petagna, Paolo (CERN)
During the Phase III Upgrade the Large Hadron Collider (LHC) will experience radiation levels extent never achieved before. The current detector cooling system operating with CO2 and the associated mechanical supports must be upgraded as the current cooling temperature is not sufficient to prevent the phenomena of the thermal runaway of the sensors. [...]
AIDAinnova-CONF-2024-005.- Geneva : CERN, 2023 Fulltext: PDF;

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Hybrid cycle with Krypton for cooling of future silicon detectors in HEP / Contiero, Luca (Norwegian University of Science and Technology (NTNU) (NO)) ; Hafner, Armin (Norwegian University of Science and Technology (NTNU) (NO)) ; Banasiak, Krzysztof (Norwegian University of Science and Technology (NTNU) (NO)) ; Barroca, Pierre Andre (CERN) ; Allouche, Yosr (Norwegian University of Science and Technology (NTNU) (NO)) ; Verlaat, Bart (CERN) ; Petagna, Paolo (CERN)
The Large Hadron Collider (LHC) will soon deliver much more radiation after LS4. The level of radiation has already pushed the current CO2 cooling unit to its limit, represented by the triple point (≈ -56°C). [...]
AIDAinnova-CONF-2024-004.- Geneva : CERN, 2022 Fulltext: PDF;

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A new cold cooling system using krypton for the future upgrade of the LHC after the long shutdown 4 (LS4) / Contiero, Luca (Norwegian University of Science and Technology (NTNU) (NO)) ; Verlaat, Bart (CERN) ; Hafner, Armin (Norwegian University of Science and Technology (NTNU) (NO)) ; Banasiak, Krzysztof (Norwegian University of Science and Technology (NTNU) (NO)) ; Allouche, Yosr (Norwegian University of Science and Technology (NTNU) (NO)) ; Petagna, Paolo (CERN)
Future silicon detectors for high-energy physics experiments will require operation at lower temperatures to cope with radiation damage to the sensors and the consequent increase of dark current, beyond the limit of the current CO2 evaporative cooling system. This, along with other requirements such as mass minimization and high radiation hardness, drives the need for new advanced cooling technology. [...]
AIDAinnova-PUB-2024-001.- Geneva : CERN, 2024

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Applying krypton as refrigerant for cooling of future particle detector trackers at CERN / Contiero, Luca (Norwegian University of Science and Technology (NTNU) (NO)) ; Verlaat, Bart (CERN) ; Hafner, Armin (Norwegian University of Science and Technology (NTNU) (NO)) ; Banasiak, Krzysztof (Norwegian University of Science and Technology (NTNU) (NO)) ; Allouche, Yosr (Norwegian University of Science and Technology (NTNU) (NO)) ; Petagna, Paolo (CERN)
Future silicon-based particle detectors at CERN’s Large Hadron Collider will be exposed to higher radiation levels, requiring the silicon sensors to be kept at lower temperatures than those provided by the current cooling systems using CO2. Aiming to achieve temperature levels unattainable by CO2 and ranging between -60 to -80°C while maintaining environmental friendliness, the use of Krypton appears promising for the thermal management of future high-energy physics detectors. [...]
AIDAinnova-CONF-2024-003.- Geneva : CERN, 2024 - Published in : Conference website Fulltext: PDF;

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A prototype with Xenon to simulate the future advance refrigeration unit for cooling of silicon detector trackers / Contiero, Luca (Norwegian University of Science and Technology (NTNU) (NO)) ; Hafner, Armin (Norwegian University of Science and Technology (NTNU) (NO)) ; Banasiak, Krzysztof (Norwegian University of Science and Technology (NTNU) (NO)) ; Verlaat, Bart (CERN) ; Petagna, Paolo (CERN) ; Allouche, Yosr (Norwegian University of Science and Technology (NTNU) (NO))
The Large Hadron Collider (LHC) will soon undergo the Phase III Upgrade, resulting in radiation levels never achieved before. Therefore, both the detector cooling system and mechanical supports for future particle trackers should also be upgraded, as the current refrigeration technology using CO₂ is insufficient to prevent the thermal runaway of silicon sensors due to the CO₂ triple point temperature (≈ -56°C). [...]
AIDAinnova-CONF-2024-001.- Geneva : CERN, 2023 - Published in : Link to conference Fulltext: PDF;

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Measurement of the fractional radiation length of a pixel module for the CMS Phase-2 upgrade via the multiple scattering of positrons / Tracker Group of the CMS Collaboration
High-luminosity particle collider experiments such as the ones planned at the High-Luminosity Large Hadron Collider require ever-greater vertexing precision of the tracking detectors, necessitating also reductions in the material budget of the detectors. Traditionally, the fractional radiation length ($x/X_0$) of detectors is either estimated using known properties of the constituent materials, or measured in dedicated runs of the final detector. [...]
arXiv:2407.13721; CERN-CMS-NOTE-2024-005.- Geneva : CERN, 2024-10-16 - 42 p. - Published in : JINST 19 (2024) P10023 Fulltext: cc31400e03af7929e4432fc48d857519 - PDF; NOTE2024_005 - PDF; 2407.13721 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server

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A new cold cooling system using krypton for the future upgrade of the LHC after the long shutdown 4 (LS4) / Contiero, Luca (CERN ; Norwegian U. Sci. Tech.) ; Verlaat, Bart (CERN) ; Hafner, Armin (Norwegian U. Sci. Tech.) ; Banasiak, Krzysztof (Norwegian U. Sci. Tech.) ; Allouche, Yosr (Norwegian U. Sci. Tech.) ; Petagna, Paolo (CERN)
Future silicon detectors for High Energy Physics Experiments will require operation at lower temperatures to cope with radiation damage of the sensors and consequent increase of the dark current, beyond the limit of the current CO2 evaporative cooling system. This, together with many other requirements such as mass minimization and high radiation hardness, pushes the need of a new advanced cooling technology. [...]
2024 - 15 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1064 (2024) 169420 Fulltext: PDF;

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10.

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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See also: similar author names
21	Petagna, P.
74	Petagna, Paolo

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