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CERN Document Server 2,047 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 0.57 δευτερόλεπτα. 
1.
Preliminary Mechanical Design Study of the Hollow Electron Lens for HL-LHC / Zanoni, Carlo (CERN) ; Gobbi, Giorgia (CERN) ; Perini, Diego (CERN) ; Stancari, Giulio (Fermilab)
A Hollow Electron Lens (HEL) has been proposed in order to improve performance of halo control and collimation in the Large Hadron Collider in view of its High Luminosity upgrade (HL-LHC). The concept is based on a hollow beam of electrons that travels around the protons for a few meters. [...]
FERMILAB-CONF-17-275-AD-APC; CERN-ACC-2017-309.- 2017 - 7 p. - Published in : J. Phys.: Conf. Ser.
- Published in : (2017) , pp. WEPVA117 Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.WEPVA117
2.
Preliminary Design Study of the Hollow Electron Lens for LHC / Perini, Diego (CERN) ; Zanoni, Carlo (CERN)
A Hollow Electron Lens (HEL) has been proposed in order to improve performance of halo control and collimation in the Large Hadron Collider in view of its High Luminosity upgrade (HL-LHC). [...]
arXiv:1702.00234 ; CERN-ACC-NOTE-2017-0004.
- 2017. - 24 p.
Full text - Full text
3.
Thermomechanical Assessment of the Collector for the Hollow Electron Lens / Anderson, George Bowers
The hollow electron lens (HEL) is a system proposed for the High Luminosity upgrade of the Large Hadron Collider LHC (HL-LHC) [1] [...]
CERN-STUDENTS-Note-2017-187.
- 2017
Access to fulltext
4.
Design of high-performance guns for the HL-LHC HEL / Perini, D (CERN) ; Kolhemainen, A (CERN) ; Rossi, A (CERN) ; Sadovich, S (CERN) ; Stancari, G (Fermilab)
The High Luminosity LHC project (HL-LHC) foresees the construction and installation of important new equipment to increase the performance of the LHC machine. The Hollow Electron Lens (HEL) is a promising system to control the beam halo. [...]
FERMILAB-PUB-21-199-AD.- 2021 - 9 p. - Published in : JINST 16 (2021) T03010 Fulltext: PDF;
5.
High Luminosity LHC Hollow Electron Lens Collimation using MERLIN / Rafique, Haroon (Huddersfield U.) ; Appleby, Robert (Manchester U.) ; Barlow, Roger (Huddersfield U.) ; Bruce, Roderik (CERN) ; Redaelli, Stefano (CERN) ; Tygier, Sam (Manchester U.) ; Wagner, Joschka (CERN)
The high luminosity large hadron collider (HL-LHC) upgrade envisions an unprecedented stored beam energy of up to 700 MJ. To protect the machine during operation, an efficient collimation system is vital. [...]
2016 - 4 p. - Published in : 10.18429/JACoW-ICAP2015-MODBC2 Fulltext: PDF;
In : Proceedings, 12th International Computational Accelerator Physics Conference, ICAP2015, Shanghai, China, 12 - 16 Oct 2015, pp.MODBC2
6.
Conceptual Design of the HL-LHC Hollow Electron Lens Superconducting Magnet System / Foussat, Arnaud (CERN) ; Bragin, Alexey (Novosibirsk, IYF) ; Ferlin, Gerard (CERN) ; Kirby, Glyn (CERN) ; Kolehmainen, Antti (CERN) ; Nikiforov, Danila (Novosibirsk, IYF) ; Pavliuchenko, Vadim (Novosibirsk, IYF) ; Perini, Diego (CERN) ; Petrone, Carlo (CERN) ; Redaelli, Stefano (CERN) et al.
The Hollow Electron Lens (HEL) units are part of the upgrade baseline of the High-Luminosity LHC accelerator (HL-LHC) and will be installed in the machine ring at point P4 on each counter-rotating LHC proton beamline during a long shutdown in 2025-2027 at CERN. The main goal is to improve the collimation system performance by controlling beam energy loss in the beam halo. [...]
2022 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4100905
In : 27th International Conference on Magnet Technology (MT-27), Fukuoka, Japan, 15 - 19 Nov 2021, pp.4100905
7.
The development programme of cathodes and electron guns for the hollow electron lenses of the High Luminosity LHC project / Perini, Diego (CERN) ; Crawford, Darren (Fermilab) ; Feng, Jinjun (Vacuum Elect. Res. Inst., Beijing) ; Gobbi, Giorgia (CERN) ; Li, Zepeng (Vacuum Elect. Res. Inst., Beijing) ; Liu, Wei (Beijing U. of Tech.) ; Ruan, Jinhao (Fermilab) ; Shao, Wensheng (Vacuum Elect. Res. Inst., Beijing) ; Stancari, Giulio (Fermilab) ; Valerio, Linda (Fermilab) et al.
The High Luminosity LHC project (HL-LHC) foresees the construction and installation of important new equipment to increase the performance of the LHC machine. The Hollow Electron Lens (HEL) is a promising system to control the beam halo. [...]
CERN-ACC-2019-170.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-MOPTS099 Preprint: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPTS099
8.
Non-Invasive Beam Profile Monitoring for the HL-LHC Hollow Electron Lens / Salehilashkajani, Amir (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Ady, Marton (CERN) ; Chritin, Nicolas S (CERN) ; Forck, Peter (Darmstadt, GSI) ; Jens, Noah (CERN) ; Jones, Owain Rhodri (CERN) ; Kersevan, Roberto (CERN) ; Kumar, Narender (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Lefèvre, Thibaut (CERN) ; Mazzoni, Stefano (CERN) et al.
A Hollow Electron Lens (HEL) is currently under development for the High-Luminosity upgrade of the Large Hadron Collider (HL-LHC). In this device, a hollow electron beam co-propagates with a central proton beam and provides active halo control in the LHC. [...]
JACoW, 2021 - 4 p. - Published in : JACoW IPAC 2021 (2021) 884-887 Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.884-887
9.
Imaging a high-power hollow electron beam non-invasively with a gas-jet-based beam profile monitor / Zhang, H D (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Rossi, Adriana (CERN) ; Webber-Date, Alexander (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Churchman, Ashley (CERN) ; Welsch, Carsten (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Sequeiro, C Castro (CERN) ; Wenander, Fredrik (CERN) ; Schneider, Gerhard (CERN) ; Sidorowski, Krystian (CERN) ; Ady, Marton (CERN) et al.
The Hollow Electron Lens (HEL) was proposed to actively remove the beam halo of the proton beam for the HL-LHC upgrade. Currently, the concept of generating such an electron beam is being tested in a dedicated Electron Beam Test Stand (EBTS) at CERN. [...]
2023 - 4 p. - Published in : JACoW IPAC 2023 (2023) THPL066 Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPL066
10.
Hollow Electron Beam Collimation For HL-LHC - Effect On The Beam Core / Fitterer, M (Fermilab) ; Stancari, G (Fermilab) ; Valishev, A (Fermilab) ; Bruce, R (CERN) ; Papadopoulou, S (CERN) ; Papotti, G (CERN) ; Pellegrini, D (CERN) ; Redaelli, S (CERN) ; Valuch, D (CERN) ; Wagner, J F (CERN)
Collimation with hollow electron beams or lenses (HEL) is currently one of the most promising concepts for active halo control in HL-LHC. In previous studies it has been shown that the halo can be efficiently removed with a hollow electron lens. [...]
FERMILAB-CONF-16-387-AD; NAPAC-2016-WEA1CO04.- 2017 - 4 p. - Published in : 10.18429/JACoW-NAPAC2016-WEA1CO04 Fulltext: fermilab-conf-16-387-ad - PDF; wea1co04 - PDF; External links: FERMILABCONF; JACoW
In : 2016 North American Particle Accelerator Conference, Chicago, IL, USA, 9 - 14 Oct 2016, pp.WEA1CO04

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