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New Generation CERN LHC Injection Dump - Assembly and Installation (TDIS)
/ Carbajo Perez, David (CERN) ; Berthomé, Emmanuel (CERN) ; Bertone, Caterina (CERN) ; Biancacci, Nicolo (CERN) ; Bracco, Chiara (CERN) ; Bregliozzi, Giuseppe (CERN) ; Bulat, Bartosz (CERN) ; Cadiou, Cyril (CERN) ; Calviani, Marco (CERN) ; Cattenoz, Gregory (CERN) et al.
During CERN’s LS2, several upgrades were performed to beam intercepting devices in the framework of the HL-LHC Project. Upgraded equipment includes two internal beam dumps (TDIS) intended for machine protection located at the injection points from the SPS to the LHC. [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IPAC 2021 (2021) 3548-3551
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.3548-3551
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Gamma Factory for CERN initiative - progress report
/ Dutheil, Yann (CERN) ; Abramov, Andrey (Royal Holloway, U. of London) ; Alden, Siobhan (Royal Holloway, U. of London) ; Alemany Fernandez, Reyes (CERN) ; Antsiferov, Pavel (Troitsk, IZMIRAN) ; Apyan, Armen (NAS Armenia, Yerevan) ; Bartosik, Hannes (CERN) ; Bessonov, Evgeny (Lebedev Inst.) ; Biancacci, Nicolo (CERN) ; Bieron, Jacek (Jagiellonian U.) et al.
The Gamma Factory (GF) initiative proposes to use partially stripped ion (PSI) beams as drivers of a new type of high-intensity and high-energy (0.1–400 MeV) photon source. As part of the ongoing Physics Beyond Collider studies, initial beam tests were carried out in 2017 and 2018 at the SPS and LHC with partially stripped xenon and lead beams [...]
CERN-PBC-CONF-2021-006.-
SISSA, 2020 - 10 p.
- Published in : PoS EPS-HEP2019 (2020) 020
Fulltext from publisher: PDF;
In : European Physical Society Conference on High Energy Physics (EPS-HEP) 2019, Ghent, Belgium, 10 - 17 Jul 2019, pp.020
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MD 2935: 16L2 solenoid tests
/ Salvant, Benoit (CERN) ; Albert, Markus (CERN) ; Arduini, Gianluigi (CERN) ; Buffat, Xavier (CERN) ; Collier, Paul (CERN) ; Gorzawski, Arkadiusz (University of Malta (MT)) ; Grob, Laura Katharina ; Iadarola, Giovanni (CERN) ; Lechner, Anton (CERN) ; Levens, Tom (CERN) et al.
This MD allowed confirming that the solenoid installed in 16L2 during Technical Stop 2 (TS22017) could be held responsible for the performance improvement observed after TS2. [...]
CERN-ACC-NOTE-2020-0038.
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2020. - 8 p.
Full text
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An Upgraded LHC Injection Kicker Magnet
/ Barnes, Michael (CERN) ; Bracco, Chiara (CERN) ; Bregliozzi, Giuseppe (CERN) ; Chmielinska, Agnieszka (CERN) ; Ducimetière, Laurent (CERN) ; Goddard, Brennan (CERN) ; Kramer, Thomas (CERN) ; Neupert, Holger (CERN) ; Vega Cid, Lorena (CERN) ; Vlachodimitropoulos, Vasileios (CERN) et al.
An upgrade of the LHC injection kickers is necessary for HL-LHC to avoid excessive beam induced heating of these magnets: the intensity of the HL-LHC beam will be twice that of LHC. In addition, in the event that it is necessary to exchange an injection kicker magnet, the newly installed kicker magnet would limit HL-LHC operation for a few hundred hours due to dynamic vacuum activity. [...]
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-WEPMK003
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEPMK003
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The CERN Gamma Factory Initiative: An Ultra-High Intensity Gamma Source
/ Krasny, Mieczyslaw (Paris U., VI-VII ; CERN) ; Alemany-Fernández, Reyes (CERN) ; Antsifarov, P (Troitsk, Inst. Spectroscopy) ; Apyan, Armen (Yerevan Phys. Inst.) ; Bartosik, Hannes (CERN) ; Bessonov, Evgeny (Lebedev Phys. Inst., Moscow) ; Biancacci, Nicolo (CERN) ; Bieron, Jacek (Jagiellonian U.) ; Budker, Dmitry (Helmholtz Inst., Mainz) ; Cassou, Kevin (Orsay, LAL) et al.
This contribution discusses the possibility of broadening the present CERN research programme making use of a novel concept of light source. The proposed, Partially Stripped Ion beam driven, light source is the backbone of the Gamma Factory (GF) initiative. [...]
CERN-ACC-2018-161; CERN-PBC-CONF-2021-017.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-WEYGBD3
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.WEYGBD3
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Observations, Analysis and Mitigation of Recurrent LHC Beam Dumps Caused by Fast Losses in Arc Half-Cell 16L2
/ Jimenez, José (CERN) ; Amorim, David (CERN ; U. Grenoble Alpes) ; Antipov, Sergey (CERN) ; Arduini, Gianluigi (CERN) ; Bertarelli, Alessandro (CERN) ; Biancacci, Nicolo (CERN) ; Bradu, Benjamin (CERN) ; Bravin, Enrico (CERN) ; Bregliozzi, Giuseppe (CERN) ; Brodzinski, Krzysztof (CERN) et al.
Recurrent beam dumps significantly perturbed the operation of the CERN LHC in the summer months of 2017, especially in August. These unexpected beam dumps were triggered by fast beam losses that built up in the cryogenic beam vacuum at the half-cell 16 left of LHC-IP2 and were detected either at that location but mainly in the collimation insertions. [...]
CERN-ACC-2018-164.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-MOPMF053
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF053
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Machine-induced Background Simulation Studies for LHC Run 1, Run 2 and HL-LHC
/ Kwee-Hinzmann, Regina (Royal Holloway. University of London) ; Bregliozzi, Giuseppe (CERN) ; Bruce, Roderik (CERN) ; Cerutti, Francesco (CERN) ; Esposito, Luigi Salvatore (A.D.A.M. Applications of Detectors and accelerators to Medicine (CH)) ; Gibson, Stephen (University of London (GB)) ; Lechner, Anton (CERN) ; Garcia Morales, Hector (University of London (GB)) ; Yin Vallgren, Christina (CERN)
The study of machine-induced background to the experiments is vital for several reasons. [...]
CERN-ACC-2017-0025.
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2017. - 96 p.
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