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1.
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Upgrade of the CERN SPS Extraction Protection Elements TPS
/ Borburgh, Jan (CERN) ; Balhan, Bruno (CERN) ; Barnes, Michael (CERN) ; Baud, Cedric (CERN) ; Fraser, Matthew (CERN) ; Kain, Verena (CERN) ; Maciariello, Fausto (CERN) ; Steele, Genevieve (CERN) ; Velotti, Francesco (CERN)
In 2006 the protection devices upstream of the septa in both extraction channels of the CERN SPS to the LHC were installed. Since then, new beam parameters have been proposed for the SPS beam towards the LHC in the framework of the LIU project. [...]
2015 - 4 p.
- Published in : 10.18429/JACoW-IPAC2015-WEPMN068
Fulltext: PDF; External link: Full-text at JACoW Server
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.WEPMN068
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2.
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ebook
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3.
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Phase structure of complete asymptotically free SU($N_c$) theories with quarks and scalar quarks
/ Hansen, Frederik F. (Southern Denmark U., CP3-Origins) ; Janowski, Tadeusz (Southern Denmark U., CP3-Origins) ; Langæble, Kasper (Southern Denmark U., CP3-Origins) ; Mann, Robert B. (Waterloo U.) ; Sannino, Francesco (Southern Denmark U., CP3-Origins ; CERN ; U. Southern Denmark, Odense, DIAS) ; Steele, Tom G. (Saskatchewan U.) ; Wang, Zhi-Wei (Southern Denmark U., CP3-Origins ; Waterloo U.)
We determine the phase diagram of complete asymptotically free SU($N_c$) gauge theories featuring $N_s$ complex scalars and $N_f$ Dirac quarks transforming according to the fundamental representation of the gauge group. The analysis is performed at the maximum known order in perturbation theory. [...]
arXiv:1706.06402; CP3-ORIGINS-2017-022; CERN-TH-2017-133.-
2018-03-21 - 24 p.
- Published in : Phys. Rev. D 97 (2018) 065014
Article from SCOAP3: PDF; Fulltext: PDF; Fulltext from Publisher: PDF;
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4.
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Upgrade of the CERN SPS Extraction Protection Elements TPS
/ Borburgh, Jan (CERN) ; Balhan, Bruno (CERN) ; Barnes, Michael (CERN) ; Baud, Cedric (CERN) ; Fraser, Matthew (CERN) ; Kain, Verena (CERN) ; Maciariello, Fausto (CERN) ; Steele, Genevieve (CERN) ; Velotti, Francesco (CERN)
In 2006 the protection devices upstream of the septa in both extraction channels of the CERN SPS to the LHC were installed. Since then, new beam parameters have been proposed for the SPS beam towards the LHC in the framework of the LIU project. [...]
CERN-ACC-2017-0020.-
Geneva : CERN, 2017
- Published in :
Fulltext: PDF;
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015
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5.
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Power Deposition in LHC Magnets Due to Bound-Free Pair Production in the Experimental Insertions
/ Bahamonde Castro, Cristina (CERN) ; Auchmann, Bernhard (CERN) ; Besana, Maria Ilaria (CERN) ; Brodzinski, Krzysztof (CERN) ; Bruce, Roderik (CERN) ; Cerutti, Francesco (CERN) ; Jowett, John (CERN) ; Lechner, Anton (CERN) ; Mertens, Tom (CERN) ; Parma, Vittorio (CERN) et al.
The peak luminosity achieved during Pb-Pb collisions in the LHC in 2015 (3x1027cm⁻²s^{−1}) well exceeded the design luminosity and is anticipated to increase by another factor 2 after the next Long Shutdown (2019- 2020). A significant fraction of the power dissipated in ultra-peripheral Pb-Pb collisions is carried by ions from bound-free pair production, which are lost in the dispersion suppressors adjacent to the experimental insertions. [...]
CERN-ACC-2016-264.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-TUPMW006
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.TUPMW006
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6.
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Upgrades to the SPS-to-LHC Transfer Line Beam Stoppers for the LHC High-Luminosity Era
/ Kain, Verena (CERN) ; Esposito, Raffaele (CERN) ; Fraser, Matthew (CERN) ; Goddard, Brennan (CERN) ; Meddahi, Malika (CERN) ; Perillo Marcone, Antonio (CERN) ; Steele, Genevieve (CERN) ; Velotti, Francesco (CERN)
Each of the 3 km long transfer lines between the SPS and the LHC is equipped with two beam stoppers (TEDs), one at the beginning of the line and one close to the LHC injection point, which need to absorb the full transferred beam. The beam stoppers are used for setting up the SPS extractions and transfer lines with beam without having to inject into the LHC. [...]
CERN-ACC-2016-271.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-TUPMR050
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.TUPMR050
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7.
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High Intensity Beam Test of Low Z Materials for the Upgrade of SPS-to-LHC Transfer Line Collimators and LHC Injection Absorbers
/ Maciariello, Fausto (CERN) ; Aberle, Oliver (CERN) ; Butcher, Mark (CERN) ; Calviani, Marco (CERN) ; Folch, Ramon (CERN) ; Kain, Verena (CERN) ; Karagiannis, Konstantinos (CERN) ; Lamas Garcia, Inigo (CERN) ; Lechner, Anton (CERN) ; Nuiry, Francois-Xavier (CERN) et al.
In the framework of the LHC Injector Upgrade (LIU) and High-Luminosity LHC (HL-LHC) project, the collimators in the SPS-to LHC transfer lines will undergo important modifications. The changes to these collimators will allow them to cope with beam brightness and intensity levels much increased with respect to their original design parameters: nominal and ultimate LHC. [...]
CERN-ACC-2016-281.-
2016 - 4 p.
- Published in : 10.18429/JACoW-IPAC2016-TUPMB052
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.TUPMB052
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8.
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Upgrade of the SPS Ion Injection System
/ Uythoven, Jan (CERN) ; Borburgh, Jan (CERN) ; Bravin, Enrico (CERN) ; Burger, Stephane (CERN) ; Carlier, Etienne (CERN) ; Cravero, Jean-Marc (CERN) ; Ducimetière, Laurent (CERN) ; Gilardoni, Simone (CERN) ; Goddard, Brennan (CERN) ; Hansen, Jan (CERN) et al.
As part of the LHC Injectors Upgrade Project (LIU) the injection system into the SPS will be upgraded for the use with ions. The changes will include the addition of a Pulse Forming Line parallel to the existing PFN to power the kicker magnets MKP-S. [...]
CERN-ATS-2015-003; CERN-ACC-2015-003.-
2015 - 4 p.
- Published in : (2015) , pp. THPF099
Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.THPF099
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9.
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Feasibility Study of a New SPS Beam Dump System
/ Velotti, Francesco (CERN) ; Abelleira, Jose Luis (CERN) ; Barnes, Michael (CERN) ; Bracco, Chiara (CERN) ; Carlier, Etienne (CERN) ; Cerutti, Francesco (CERN) ; Cornelis, Karel (CERN) ; Folch, Ramon (CERN) ; Goddard, Brennan (CERN) ; Kain, Verena (CERN) et al.
The CERN Super Proton Synchrotron (SPS) presently uses an internal beam dump system with two separate blocks to cleanly dispose of low and high energy beams. In view of the increased beam power and brightness needed for the LHC Injector Upgrade project for High Luminosity LHC (HL-LHC), the performance of this internal beam dump system has been reviewed for future operation. [...]
CERN-ACC-2015-005.-
2015 - 4 p.
- Published in : (2015) , pp. THPF097
Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.THPF097
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10.
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Origin of the Damage to the Internal High Energy Beam Dump in the CERN SPS
/ Kain, Verena (CERN) ; Cornelis, Karel (CERN) ; Goddard, Brennan (CERN) ; Lamont, Mike (CERN) ; Leitao, Ivo (CERN) ; Losito, Roberto (CERN) ; Maglioni, Cesare (CERN) ; Meddahi, Malika (CERN) ; Pasdeloup, Florian (CERN) ; Steele, Genevieve (CERN) et al.
The high energy beam dump in the SPS has to deal with beams from 10⁵ to 450 GeV/c and intensities of up to 4 ×10¹³ protons. An inspection during the last shutdown revealed significant damage to the Al section of the dump block. [...]
CERN-ACC-2015-006.-
2015 - 3 p.
- Published in : (2015) , pp. THPF096
Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.THPF096
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