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CERN Document Server 43 ჩანაწერია ნაპოვნი  1 - 10შემდეგიდასასრული  ჩანაწერთან გადასვლა: ძიებას დასჭირდა 0.63 წამი. 
1.
Understanding of the LHC warm vacuum module heating / Krkotic, Patrick (CERN) ; Baglin, Vincent (CERN) ; Chiggiato, Paolo (CERN) ; Papaphilippou, Yannis (CERN) ; Rumolo, Giovanni (CERN) ; Antuono, Chiara (CERN ; Rome U.) ; Bregliozzi, Giuseppe (CERN) ; Calatroni, Sergio (CERN) ; de la Fuente, Elena (CERN ; Madrid, Polytechnic U.) ; Galloro, Alessio (Calabria U. ; CERN) et al.
During the third run of the Large Hadron Collider in 2023, which had the highest intensity bunch population compared to previous runs, increased losses attributed to pressure spikes within a warm vacuum sector triggered a beam dump. Subsequent inspections revealed localised annealing and plasticisation of the tension spring in the sliding contact radio-frequency finger module, alongside traces of vapour deposition on the various module components with the stainless-steel spring material. [...]
2024 - 4 p. - Published in : JACoW IPAC 2024 (2024) TUAN3 Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUAN3
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
2.
Chapter 17: Vacuum System / Baglin, Vincent (CERN) ; Chiggiato, Paolo (CERN) ; Garion, Cedric (CERN)
The HL-LHC project requires an important upgrade of the LHC vacuum system to ensure sufficient beam lifetime, limit the background to the high-luminosity experiments, protect the new final focusing system from ionizing radiation, increase the mechanical robustness, maximize beam aperture and mitigate electron multipacting. The technologies developed to tackle these challenges are exposed in this chapter..
2024 - 15 p. - Published in : Adv. Ser. Direct. High Energy Phys. 31 (2024) 391-405 Fulltext: PDF;
In : The High Luminosity Large Hadron Collider, pp.391-405
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
3.
DYVACS (DYnamic VACuum Simulation) code: gas density profiles for dynamic conditions in particle accelerators - simulations for the LHC and the FCCee / Bilgen, Suheyla (IJCLab, Orsay) ; Mercier, Bruno (IJCLab, Orsay) ; Baglin, Vincent (CERN) ; Sattonnay, Gaël (IJCLab, Orsay)
The computation of residual gas density profiles in particle accelerators is an essential task to optimize beam pipes and vacuum system design. In a hadron collider such as the LHC, the beam induces dynamic effects due to ion, electron and photon-stimulated gas desorption. [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) THPA161 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPA161
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
4.
Photodesorption of Water Ices: Highlights from Recent Synchrotron Radiation Studies / Fillion, Jean-Hugues (Paris Observ.) ; Dupuy, Rémi (Paris Observ.) ; Féraud, Géraldine (Paris Observ.) ; Romanzin, Claire (ICM, Paris) ; Marie-Jeanne, Patrick (Paris Observ.) ; Jeseck, Pascal (Paris Observ.) ; Baglin, Vincent (CERN) ; Cimino, Roberto (LNF, Dafne Light) ; Michaut, Xavier (Paris Observ.) ; Bertin, Mathieu (Paris Observ.)
UV-X photodesorption of water ices, which is playing a role on the gas-to-ice ratio in a wide range of astrophysical environments, has also been extensively studied in the laboratory. In recent years, the SPICES setup coupled to several beamlines at the SOLEIL facility (France) has allowed the analysis of water photodesorption spectra (PSD) in the vacuum-UV (VUV) and soft X-ray range. [...]
2023 - 7 p. - Published in : Astrophys. Space Sci. Proc. 59 (2023) 229-235
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
5.
Electron Beam Characterization of REBCO-Coated Conductors at Cryogenic Conditions / Haubner, Michal (CERN ; Prague, Tech. U.) ; Krkotic, Patrick (CERN) ; Serafim, Catarina (CERN ; Helsinki U.) ; Petit, Valentine (CERN) ; Baglin, Vincent (CERN) ; Calatroni, Sergio (CERN) ; Henrist, Bernard (CERN) ; Romanov, Artur (Barcelona, Autonoma U.) ; Puig, Teresa (Barcelona, Autonoma U.) ; Gutierrez, Joffre (Barcelona, Autonoma U.)
Particle accelerators with superconducting magnets operating at cryogenic temperatures use a beam screen (BS) liner that extracts heat generated by the circulating bunched charge particle beam before it can reach the magnets. The BS surface, commonly made of high-conductivity copper, provides a low impedance for beam stability reasons, low secondary electron yield (SEY)to mitigate the electron-cloud (EC) effect, and low electron-stimulated desorption yield (ESD) to limit the dynamic pressure rise due to EC. [...]
arXiv:2410.00770.- 2023-02-21 - 15 p. - Published in : Appl. Sciences 13 (2023) 2765 Fulltext: 2410.00770 - PDF; document - PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
6.
Tenue haute tension dans le vide pour des impulsions de l'ordre de la nanoseconde / Baglin, Vincent
CERN-PS-HI-Note-92-07.- Geneva : CERN, 1992 - 14 p. Fulltext: PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
7.
Electron conditioning of technical surfaces at cryogenic and room temperature in the 0–1 keV energy range / Haubner, Michal (Prague, Tech. U. ; CERN) ; Baglin, Vincent (CERN) ; Henrist, Bernard (CERN)
In the superconducting magnets of the Large Hadron Collider (LHC) at CERN, most of the beam-induced heat load is intercepted by a beam-screen (BS) cryogenically cooled to 5–20 K. When circulating the bunched proton beam, an electron cloud (EC) can form and bombard the BS copper surface with high doses of predominantly low-energy electrons, which desorb gas and consequently increase the pressure. [...]
2023 - 8 p. - Published in : Vacuum 207 (2023) 111656 Fulltext: PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
8.
Collector-based measurement of gas desorption and secondary electron emission induced by 0–1.4 keV electrons from LHC-grade copper at 15 K / Haubner, Michal (Prague, Tech. U. ; CERN) ; Baglin, Vincent (CERN) ; Henrist, Bernard (CERN)
CERN’s Large Hadron Collider cryomagnets embed a 1.9 K UHV chamber lined with a 5–20 K beam-screen (BS) that intercepts the synchrotron radiation and electron cloud (EC). The low–energy EC irradiates the BS and desorbs gas, creating a dynamic vacuum effect. [...]
2022 - 10 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 531 (2022) 34-43 Fulltext: PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
9.
Dynamic Pressure in the LHC: Detection of Ions Induced by Ionization of Residual Gas by the Proton Beam and by the Electron-Cloud / Bilgen, Suheyla (IJCLab, Orsay) ; Baglin, Vincent (CERN) ; Mercier, Bruno (IJCLab, Orsay) ; Sattonnay, Gaël (IJCLab, Orsay)
Ultra-High Vacuum is an essential requirement to achieve design performances and high luminosities in high-energy particle colliders. Consequently, the understanding of the dynamic pressure evolution during accelerator operation is fundamental to provide solutions to mitigate pressure rises induced by multiple effects leading to beam instabilities. [...]
Geneva : JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 4377-4380 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.4377-4380
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
10.
DYVACS (DYnamic VACuum Simulation) Code: Gas Density Profiles in Presence of Electron Cloud in the LHC / Bilgen, Suheyla (IJCLab, Orsay) ; Baglin, Vincent (CERN) ; Mercier, Bruno (IJCLab, Orsay) ; Sattonnay, Gaël (IJCLab, Orsay)
The computation of residual gas density profiles in particle accelerators is an essential task to optimize beam pipes and vacuum system design. In a hadron collider such as the LHC, the beam induces dynamic effects due to ion, electron, and photon-stimulated gas desorption. [...]
Geneva : JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 4373-4376 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.4373-4376
დეტალური ჩანაწერი - მსგავსი ჩანაწერები

CERN Document Server : 43 ჩანაწერია ნაპოვნი   1 - 10შემდეგიდასასრული  ჩანაწერთან გადასვლა:
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113 Baglin, V
9 Baglin, V.
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