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A Family of Gas Ionization Chambers and SEM for Beam Loss Monitoring of LHC and Other Accelerators
/ Grishin, Viatcheslav (ESS, Lund) ; Dehning, Bernd (CERN) ; Effinger, Ewald (CERN) ; Emery, Jonathan (CERN) ; Holzer, Eva Barbara (CERN) ; Koshelev, Andrey (Serpukhov, IHEP) ; Larionov, Anatoly (Serpukhov, IHEP) ; Medvedeva, Tatiana (CERN) ; Seleznev, Vladimir (Serpukhov, IHEP) ; Sleptsov, Mikhail (Serpukhov, IHEP) et al.
A serious problem for high current accelerators is the high density of the beam, which is able to destroy the equipment and to make a quench of super conductive magnets. Loss of even a small fraction of this intense beam equipment. [...]
2018 - 5 p.
- Published in : 10.18429/JACoW-RuPAC2018-TUZMH03
Fulltext: PDF;
In : 26th Russian Particle Accelerator Conference, Protvino, Russia, 1 - 5 Oct 2018, pp.TUZMH03
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Commissioning of the Beam Instrumentation for the Half Sector Test in Linac4 with a 160 MeV H⁻ Beam
/ Guidoboni, Greta (CERN) ; Allica, Juan (CERN) ; Bracco, Chiara (CERN) ; Burger, Stephane (CERN) ; Focker, Gerrit Jan (CERN) ; Mikulec, Bettina (CERN) ; Navarro Fernandez, Araceli (CERN) ; Roncarolo, Federico (CERN) ; Søby, Lars (CERN) ; Zamantzas, Christos (CERN)
In the framework of the LHC Injector Upgrade (LIU) project, the Proton Synchrotron Booster (PSB) will be extensively modified during the Long Shutdown 2 (LS2, 2019-2020) at CERN [1]. This includes a new injector, Linac4, which will provide a 160 MeV H⁻ beam and a complete new injection section for the PSB composed essentially of a chicane and a stripping foil system. [...]
2018 - 4 p.
- Published in : 10.18429/JACoW-IBIC2017-MOPWC07
Fulltext: PDF;
In : 6th International Beam Instrumentation Conference, Grand Rapids, MI, USA, 20 -24 Aug 2017, pp.MOPWC07
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Beam Loss Monitoring for Run 2 of the LHC
/ Kalliokoski, Matti (CERN) ; Auchmann, Bernhard (CERN) ; Dehning, Bernd (CERN) ; Domingues Sousa, Fernando (CERN) ; Effinger, Ewald (CERN) ; Emery, Jonathan (CERN) ; Grishin, Viatcheslav (CERN) ; Holzer, Eva Barbara (CERN) ; Jackson, Stephen (CERN) ; Kolad, Blazej (CERN) et al.
The Beam Loss Monitoring (BLM) system of the LHC consists of over 3600 ionization chambers. The main task of the system is to prevent the superconducting magnets from quenching and protect the machine components from damage, as a result of critical beam losses. [...]
CERN-ACC-2015-308.-
2015 - 4 p.
- Published in : (2015) , pp. MOPTY055
Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.MOPTY055
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Metal 3D Additive Machining for in-Vacuum Beam Instrumentation
/ Veness, Raymond (CERN) ; Andreazza, William (CERN) ; Gudkov, Dmitry (CERN) ; Miarnau Marin, Ana (CERN) ; Samuelsson, Sebastian (CERN)
3D additive machining by selective laser melting (SLM) has great potential for widespread use in the field of accelerator instrumentation. However, as with any new process or material, it must be adapted and qualified for use in the specific in-vacuum accelerator environment. [...]
2018 - 4 p.
- Published in : 10.18429/JACoW-MEDSI2018-TUPH36
Fulltext: PDF;
In : 10th Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation Conference, Paris, France, 25 - 29 Jun 2018, pp.TUPH36
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The Beam Gas Vertex profile monitoring station for HL-LHC
/ Kieffer, Robert (CERN ; Royal Holloway, U. of London) ; Alexopoulos, Andreas (CERN ; Thessaly U.) ; Fosse, Loic (CERN) ; Gibson, Stephen (Royal Holloway, U. of London ; CERN) ; Gonzalez Berges, Manuel (CERN) ; Guerin, Helene (CERN ; Royal Holloway, U. of London) ; Jones, Owain Rhodri (CERN) ; Marriott-Dodington, Thomas (CERN) ; Storey, James (CERN) ; Veness, Raymond (CERN) et al.
A new instrument is under development for the High Luminosity upgrade of the Large Hadron Collider at CERN (HL-LHC) to provide non-invasive transverse beam size measurements throughout the full acceleration cycle. The Beam Gas Vertex (BGV) monitor consists of a tank supplied with gas at very low pressure attached to the LHC beam pipe with a series of particle tracking stations located downstream outside vacuum. [...]
CERN-ACC-2019-102.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-WEPGW082
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPGW082
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HL-LHC BPM System Development Status
/ Krupa, Michal (CERN) ; Bett, Douglas (U. Oxford (main)) ; Degl'Innocenti, Irene (CERN) ; Gudkov, Dmitry (CERN) ; Schneider, Gerhard (CERN)
The demanding instrumentation requirements of the future High Luminosity LHC (HL-LHC) require 44 newly designed Beam Position Monitors (BPM) to be installed around the ATLAS and CMS experiments in 2026-2028. Three BPM types are now in pre-series production, with two more variants under design. [...]
2022 - 5 p.
- Published in : JACoW IBIC 2022 (2022) 408-412
Fulltext: PDF;
In : 11th International Beam Instrumentation Conference (IBIC 2022), Cracow, Poland, 11 - 15 Sep 2022, pp.408-412
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Assessing the Performance of the New Beam Wire Scanners for the CERN LHC Injectors
/ Di Carlo, Salvatore (CERN) ; Andreazza, William (CERN) ; Belohrad, David (CERN) ; Emery, Jonathan (CERN) ; Esteban Felipe, Jose (CERN) ; Goldblatt, Aurélie (CERN) ; Gudkov, Dmitry (CERN) ; Guerrero, Ana (CERN) ; Jackson, Stephen (CERN) ; Lacarrere, Guillaume (CERN) et al.
Reliably measuring the transverse beam profile in the LHC injector chain is essential for the operation of the CERN accelerator complex. This report aims to assess the reliability, stability, and reproducibility of a new generation of beam wire scanners developed at CERN in the framework of the LHC Injectors Upgrade (LIU). [...]
2022 - 4 p.
- Published in : JACoW IBIC 2022 (2022) 443-446
Fulltext: PDF;
In : 11th International Beam Instrumentation Conference (IBIC 2022), Cracow, Poland, 11 - 15 Sep 2022, pp.443-446
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Commissioning of the LHC Injectors BWS Upgrade
/ Emery, Jonathan (CERN) ; Andreazza, William (CERN) ; Belohrad, David (CERN) ; Di Carlo, Salvatore (CERN) ; Esteban Felipe, Jose C (CERN) ; Goldblatt, Aurélie (CERN) ; Gudkov, Dmitry (CERN) ; Guerrero, Ana (CERN) ; Jackson, Stephen (CERN) ; Lacarrere, Guillaume O (CERN) et al.
A novel generation of fast Beam Wire Scanners (BWS), developed in the framework of the LHC Injectors Upgrade (LIU), has been recently deployed in the 3 LHC injector synchrotrons, accelerating protons from 160 MeV to 450 GeV, during the 2019-2020 LHC long shutdown. The monitors feature high precision motor controller, high resolution wire position monitoring and wide dynamic range secondary particles detectors. [...]
JACoW, 2021 - 5 p.
- Published in : JACoW IBIC 2021 (2021) 239-243
Fulltext: PDF;
In : 10th International Beam Instrumentation Conference (IBIC 2021), Online, Korea, 13 - 17 Sep 2021, pp.239-243
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Performance Assessment of Pre-Series Fast Beam Wire Scanner Prototypes for the Upgrade of the CERN LHC Injector Complex
/ Sirvent, Jose (CERN) ; Andersson, Patrik (CERN) ; Andreazza, William (CERN) ; Dehning, Bernd (CERN) ; Emery, Jonathan (CERN) ; Garcia, Lionel (CERN) ; Gudkov, Dmitry (CERN) ; Roncarolo, Federico (CERN) ; Tassan-Viol, Jean (CERN) ; Trad, Georges (CERN) et al.
A new generation of beam wire scanner (BWS), for transversal beam profile monitoring, is under development on the framework of the LHC Injector Upgrade project at CERN. Two pre-series prototypes have been built and installed in the Super Proton Synchrotron and Proton Synchrotron Booster, to assess the performance of the upgraded BWS concept. [...]
2018 - 4 p.
- Published in : 10.18429/JACoW-IBIC2017-WEPCC03
Fulltext: PDF;
In : 6th International Beam Instrumentation Conference, Grand Rapids, MI, USA, 20 -24 Aug 2017, pp.WEPCC03
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