CERN Accelerating science

SPS and CNGS

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2016-08-25
14:04
Fibre Optic Notch Filter For The Antiproton Decelerator Stochastic Cooling System / Simmonds, Max Vincent John
The project scope included reverse engineering, upgrading, and recovering the operational conditions of an existing fibre optic notch filter. [...]
CERN-STUDENTS-Note-2016-127.
- 2016.
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2016-08-22
14:42
Space Charge effects and mitigation in the CERN PS Booster, in view of the Upgrade / Benedetto, Elena (CERN) ; Cieslak-Kowalska, Magdalena Anna (Ecole Polytechnique Federale de Lausanne (CH)) ; Forte, Vincenzo (CERN) ; Schmidt, Frank (CERN)
The CERN PS Booster (PSB) is presently running with a space charge tune spread larger than 0.5 at injection [...]
CERN-ACC-2016-0108.
- 2016. - 7 p.
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2016-08-19
12:18
SPS CROSS-SECTIONAL CHANGES EXTRACTION / Alao, Adewale
The SPS particle accelerator has a circumference of 6.9km and uses different magnets with different apertures [...]
CERN-STUDENTS-Note-2016-077.
- 2016.
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2016-08-17
23:47
Simulations of LEIR Injection Line Beam Position Monitors / Maltseva, Mariya (CERN,Geneva; Novosibirsk State University)
In this paper sensitivity characteristics of a beam position monitor are described. [...]
CERN-STUDENTS-Note-2016-050.
- 2016.
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2016-08-12
06:33
Experimental Setup to Measure the Damage Limits of Superconducting Magnets due to Beam Impact at CERN's HiRadMat Facility / Kleiven, David (CERN) ; Auchmann, Bernhard (CERN) ; Raginel, Vivien (CERN) ; Schmidt, Ruediger (CERN) ; Verweij, Arjan (CERN) ; Wollmann, Daniel (CERN)
The future upgrade of CERN's injector chain for the Large Hadron Collider (LHC) will lead to an increase of the beam brightness in the LHC. Beam absorbers are capturing missteered beams, but some limited beam impact on superconducting magnets can hardly be avoided. [...]
2016 - 3 p. - Published in : 10.18429/JACoW-IPAC2016-THPOY044 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPOY044

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2016-08-12
06:33
Time Scale of Crab Cavity Failures Relevant for High Luminosity LHC / Sjobak, Kyrre (CERN) ; Bruce, Roderik (CERN) ; Burkhardt, Helmut (CERN) ; Kwee-Hinzmann, Regina (Royal Holloway, U. of London) ; Macpherson, Alick (CERN) ; Santamaría García, Andrea (Ecole Polytechnique, Lausanne ; CERN)
A good knowledge of the effects of the crab cavities, required for the baseline High Luminosity LHC (HL-LHC), is needed before the results of the first tests of crab cavity prototypes in the SPS, planned for 2018, will be available. In case of crab cavity failures, we have to make sure that time scales are long enough so that the beams can be cleanly dumped before damage by beam loss occurs. [...]
2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPOY043 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPOY043

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2016-08-12
06:33
CERN Beam Interlock Redundant Dump Trigger Module Performance during LHC Run 2 / Calcoen, Daniel (CERN) ; Gabourin, Stéphane (CERN) ; Siemko, Andrzej (CERN)
During the Long Shutdown 1 an additional link between the Beam Interlocks System and the LHC Beam Dumping System was installed. This third channel is a direct access from the BIS to the asynchronous dump triggering lines. [...]
2016 - 3 p. - Published in : 10.18429/JACoW-IPAC2016-THPOY041 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPOY041

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2016-08-12
06:33
Design of Beam Optics for the FCC-ee Collider Ring / Oide, Katsunobu (KEK, Tsukuba) ; Aiba, Masamitsu (PSI, Villigen) ; Aumon, Sandra (CERN) ; Benedikt, Michael (CERN) ; Blondel, Alain (Geneva U.) ; Bogomyagkov, Anton (Novosibirsk, IYF) ; Boscolo, Manuela (LNF, Dafne Light) ; Burkhardt, Helmut (CERN) ; Cai, Yunhai (SLAC) ; Doblhammer, Andreas (CERN) et al.
A design of beam optics will be presented for the FCC-ee double-ring collider. The main characteristics are 45 to 175 GeV beam energy, 100 km circumference with two IPs/ring, 30 mrad crossing angle at the IP, crab-waist scheme with local chromaticity correction system, and "tapering" of the magnets along with the local beam energy. [...]
2016 - 3 p. - Published in : 10.18429/JACoW-IPAC2016-THPOR022 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPOR022

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2016-08-12
06:32
Characterisation of the SPS Slow-extraction Parameters / Velotti, Francesco (CERN) ; Bartmann, Wolfgang (CERN) ; Bohl, Thomas (CERN) ; Bracco, Chiara (CERN) ; Cornelis, Karel (CERN) ; Fraser, Matthew (CERN) ; Goddard, Brennan (CERN) ; Kain, Verena (CERN) ; Stoel, Linda (CERN)
The Super Proton Synchrotron (SPS) is the last accelerator in the Large Hadron Collider (LHC) injector chain but its main users are the fixed-target experiments located in the North Area (NA). The beams, which are among the most intense circulating in the SPS, are extracted to the NA over several thousands of turns by exploiting a third-integer resonant extraction. [...]
2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPOR055 Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPOR055

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2016-08-12
06:32
Analysis of the SPS Long Term Orbit Drifts / Velotti, Francesco (CERN) ; Bracco, Chiara (CERN) ; Cornelis, Karel (CERN) ; Drøsdal, Lene (CERN) ; Fraser, Matthew (CERN) ; Gianfelice-Wendt, Eliana (Fermilab) ; Goddard, Brennan (CERN) ; Kain, Verena (CERN) ; Meddahi, Malika (CERN)
The Super Proton Synchrotron (SPS) is the last accelerator in the Large Hadron Collider (LHC) injector chain, and has to deliver the two high-intensity 450 GeV proton beams to the LHC. The transport from SPS to LHC is done through the two Transfer Lines (TL), TI2 and TI8, for Beam 1 (B1) and Beam 2 (B2) respectively. [...]
FERMILAB-CONF-16-243-APC.- 2016 - 4 p. - Published in : 10.18429/JACoW-IPAC2016-THPOR054 Published version from JACoW: PDF; External link: FERMILABCONF
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPOR054

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