CERN Accelerating science

SPS and CNGS

Nyeste elementer:
2022-12-01
15:28
Consolidation of Fire Detection System for LHC, including Sniffer / Munoz Codoceo, Miriam (CERN) ; Durand, Pierre (CERN)
The LHC automatic fire detection system covers mainly shafts, caverns and underground services areas. [...]
CERN-ACC-NOTE-2022-0046.
- 2022. - 5 p.
Full text

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2022-12-01
14:52
Refurbishment of ROCLA / Latomaa, Aki Ilmari (CERN)
Inside the SM18 and SMA18 facilities, where LHC dipole magnets go through assembly, maintenance, and testing measures, custom-made vehicles (ROCLA) allow their handling process to be adequate and safe in such restricted areas. [...]
CERN-ACC-NOTE-2022-0044.
- 2022. - 4 p.
Full text

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2022-12-01
11:16
Maintenance Cost Working Group Results / Bailom, Florian (CERN) ; Bossy, Jordi (CERN) ; Chareyre, Vincent (CERN) ; Deleval, Serge (CERN) ; Jensen, Lars (CERN) ; Lafarge, Damien (CERN) ; Langlois, Raphael (CERN) ; Naisson, Pierre ; Nunes, Rui (CERN)
For the proper functioning of Accelerators, Experimental areas, Workshops and other CERN facilities, maintenance of infrastructure is one of the main activities in the EN department [...]
CERN-ACC-NOTE-2022-0042.
- 2022. - 4 p.
Full text

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2022-11-30
10:59
The FCC-ee vacuum system, from conceptual to prototyping / Kersevan, Roberto (CERN)
The FCC-ee is a very challenging accelerator project from the point of view of vacuum. Apart from the sheer size of the machine, a twin-ring of 100 km circumference, the vacuum system design must be capable of dealing with the low-energy 45.6 GeV, high-current version of the machine (the Z-pole) as well as the higher energy, lower current versions. [...]
2022 - 9 p. - Published in : EPJ Tech. Instrum. 9 (2022) 12 Fulltext: PDF;

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2022-11-25
18:18
Configuration Management Best Practices / Feral, Bruno (CERN) ; Bartolome Jimenez, Sonia (CERN) ; Birtwistle, Thomas William (CERN) ; Musso, Andrea (CERN) ; Perrot, Anne-Laure (CERN)
Configuration management (CM) is used for the configuration of complex systems in many fields, such as IT, aeronautics, shipbuilding, space systems, nuclear power plants, etc. [...]
CERN-ACC-NOTE-2022-0033.
- 2022. - 5 p.
Full text

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2022-11-23
15:21
EN-CV Controls Project and Consolidation Challenges / Nitu, Doru-Octavian (CERN)
The EN Cooling & Ventilation (CV) group ensures the proper operation and maintenance of heating, ventilation, air conditioning and refrigeration systems throughout CERN's large accelerators complex and experimental areas [...]
CERN-ACC-NOTE-2022-0027.
- 2022. - 6 p.
Full text

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2022-11-23
06:24
Chromaticity Measurement Using Beam Transfer Function in High Energy Synchrotrons / Buffat, Xavier (CERN) ; Furuseth, Sondre (CERN) ; Vicentini, Giulio (CERN)
Control of chromaticity is often critical to mitigate collective instabilities in high energy synchrotrons, yet classical measurement methods are of limited use during high intensity operation. We explore the possibility to extract this information from beam transfer function measurements, with the development of a theoretical background that includes the impact of wakefields and by analysis of multi-particle tracking simulations. [...]
2022 - 6 p. - Published in : JACoW HB 2021 (2022) 46-51 Fulltext: PDF;
In : 64th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB 2021), Batavia, Illinois, United States, 4 - 9 Oct 2021, pp.46-51

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2022-11-23
06:24
Understanding of the CERN-SPS Horizontal Instability with Multiple Bunches / Zannini, Carlo (CERN) ; Bartosik, Hannes (CERN) ; Carlà, Michele (CERN ; CELLS - ALBA, LLS) ; Carver, Lee (ESRF, Grenoble ; CERN) ; Li, Kevin (CERN) ; Métral, Elias (CERN) ; Rumolo, Giovanni (CERN) ; Salvant, Benoit (CERN) ; Schenk, Michael (CERN)
At the end of 2018, an instability with multiple bunches has been consistently observed during high intensity studies at the CERN-SPS. This instability could be a significant limitation to achieve the bunch intensity expected after the LHC Injector Upgrade (LIU). [...]
2022 - 6 p. - Published in : JACoW HB 2021 (2022) 77-82 Fulltext: PDF;
In : 64th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB 2021), Batavia, Illinois, United States, 4 - 9 Oct 2021, pp.77-82

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2022-11-23
06:24
End-to-End Longitudinal Simulations in the CERN PS / Lasheen, Alexandre (CERN) ; Damerau, Heiko (CERN) ; Iliakis, Konstantinos (CERN)
In the context of the LHC Injector Upgrade (LIU) project, the main longitudinal limitations in the CERN PS are coupled bunch instabilities and uncontrolled emittance blow-up leading to losses at injection into the downstream accelerator, the SPS. To complement beam measurements, particle tracking simulations are an important tool to study these limitations. [...]
2022 - 6 p. - Published in : JACoW HB 2021 (2022) 106-111 Fulltext: PDF;
In : 64th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB 2021), Batavia, Illinois, United States, 4 - 9 Oct 2021, pp.106-111

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2022-11-23
06:24
Recent Progress on Nonlinear Beam Manipulations in Circular Accelerators / Bazzani, Armando (U. Bologna (main) ; INFN, Bologna) ; Capoani, Federico (CERN ; U. Bologna (main) ; INFN, Bologna) ; Giovannozzi, Massimo (CERN)
In recent years, transverse beam splitting by crossing a stable resonance has become the operational means to perform MultiTurn Extraction (MTE) from the CERN PS to the SPS. This method delivers the high-intensity proton beams for fixed-target physics at the SPS. [...]
2022 - 7 p. - Published in : JACoW HB 2021 (2022) 52-58 Fulltext: PDF;
In : 64th ICFA Advanced Beam Dynamics Workshop on High Intensity and High Brightness Hadron Beams (HB 2021), Batavia, Illinois, United States, 4 - 9 Oct 2021, pp.52-58

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