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Design of beam optics for the Future Circular Collider e+e- -collider rings
/ Oide, K. (KEK, Tsukuba) ; Aiba, M. (PSI, Villigen) ; Aumon, S. (CERN) ; Benedikt, M. (CERN) ; Blondel, A. (Geneva U.) ; Bogomyagkov, A. (Novosibirsk, IYF) ; Boscolo, M. (Frascati) ; Burkhardt, H. (CERN) ; Cai, Y. (SLAC) ; Doblhammer, A. (CERN) et al.
A beam optics scheme has been designed for the Future Circular Collider-e+e- (FCC-ee). The main characteristics of the design are: beam energy 45 to 175 GeV, 100 km circumference with two interaction points (IPs) per ring, horizontal crossing angle of 30 mrad at the IP and the crab-waist scheme [1] with local chromaticity correction. [...]
arXiv:1610.07170; CERN-ATS-2016-007.-
2016-11-21 - 11 p.
- Published in : Phys. Rev. Accel. Beams: 19 (2016) , no. 11, pp. 111005
Fulltext: arXiv:1610.07170 - PDF; 10.1103_PhysRevAccelBeams.19.111005 - PDF; PhysRevAccelBeams.19 - PDF; External link: Preprint
In : 2nd Annual Meeting of the Future Circular Collider study 2016, Rome, Italy, 11 - 15 Apr 2016, pp.111005
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Interplay of Space Charge and Intra-Beam Scattering in the LHC ion injector chain
/ Zampetakis, M. (CERN ; Crete U.) ; Antoniou, F. (CERN) ; Asvesta, F. (CERN) ; Bartosik, H. (CERN) ; Papaphilippou, Y. (CERN) ; Saá Hernández, A. (Santiago de Compostela U., IGFAE)
The ion injectors of the CERN accelerator chain, in particular the Super Proton Synchrotron (SPS) and the Low Energy Ion Ring (LEIR), operate in a strong space charge~(SC) and intrabeam scattering (IBS) regime, which can degrade beam quality. [...]
arXiv:2310.03504.
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Incoherent horizontal emittance growth due to the interplay of beam-beam and longitudinal wakefield in crab-waist colliders
/ Kicsiny, Peter (CERN ; EPFL-ISIC, Lausanne) ; Zhou, Demin (KEK, Tsukuba ; Tokyo, Grad. U. Adv. Stud. ; Natl. Astron. Observ. of Japan) ; Buffat, Xavier (CERN) ; Pieloni, Tatiana (EPFL-ISIC, Lausanne) ; Seidel, Mike (EPFL-ISIC, Lausanne)
In this paper, we investigate quadrupolar sychrobetatron resonances caused by beam-beam collisions and their interplay with longitudinal wakefields in the context of crab-waist colliders. [...]
arXiv:2501.04609.
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Beam Optics for FCC-ee Collider Ring
/ Oide, Katsunobu (KEK, Tsukuba) ; Aiba, M (PSI, Villigen) ; Aumon, S (CERN) ; Benedikt, M (CERN) ; Blondel, A (Geneva U.) ; Bogomyagkov, A V (Novosibirsk, IYF) ; Boscolo, M (Frascati) ; Burkhardt, H (CERN) ; Cai, Y (SLAC) ; Doblhammer, A (CERN) et al.
A beam optics scheme has been designed [ 1 ] for the Future Circular Collider- e + e − (FCC-ee). The main characteristics of the design are: beam energy 45 to 175 GeV, 100 km circumference with two interaction points (IPs) per ring, horizontal crossing angle of 30 mrad at the IP and the crab-waist scheme [ 2 ] with local chromaticity correction. [...]
SISSA, 2017 - 11 p.
- Published in : PoS ICHEP2016 (2017) 040
Fulltext: PDF; External link: PoS server
In : 38th International Conference on High Energy Physics, Chicago, IL, USA, 03 - 10 Aug 2016, pp.040
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Machine detector interface for the $e^+e^-$ future circular collider
/ Boscolo, M. (Frascati) ; Blanco-Garcia, O.R. (Frascati) ; Bacchetta, N. (CERN) ; Belli, E. (CERN) ; Benedikt, M. (CERN) ; Burkhardt, H. (CERN) ; Gil Costa, M. (CERN) ; Elsener, K. (CERN) ; Leogrande, E. (CERN) ; Janot, P. (CERN) et al.
The international Future Circular Collider (FCC) study aims at a design of $pp$, $e^+e^-$, $ep$ colliders to be built in a new 100 km tunnel in the Geneva region. The $e^+e^-$ collider (FCC-ee) has a centre of mass energy range between 90 (Z-pole) and 375 GeV (tt_bar). [...]
arXiv:1905.03528; ISBN: 978-3-95450-216-5.-
2019-04-21 - 6 p.
- Published in : 10.18429/JACoW-eeFACT2018-WEXBA02
Fulltext: 1905.03528 - PDF; fulltext1733990 - PDF;
In : 62nd ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+e− Colliders, Hong Kong, China, 24 - 27 Sep 2018, pp.WEXBA02
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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. [...]
CERN-ACC-2016-127.-
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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Local Chromatic Correction Scheme and Crab-Waist Collision for an Ultra-Low Beta* at the LHC
/ Abelleira, J L (EPFL Lausanne ; CERN) ; Russenschuck, S (CERN) ; Tomas, R (CERN) ; Zimmermann, F (CERN) ; Ohmi, K (KEK, Japan) ; Milardi, C (INFN-LNF, Italy) ; Zobov, M (INFN-LNF, Italy) ; Shatilov, D (BINP, Russia)
WP: 4: AccNet: Accelerator Science Networks
Task: 4.2: EuroLumi
We discuss potential merits and the parameter range of interest for a possible crab-waist collision scheme at the LHC, and report preliminary optics studies of a local chromatic correction scheme with flat beams (beta_x*>>beta_y*), which could boost the LHC luminosity by about an order of magnitude and would also allow for crab-waist collisions..
EuCARD-CON-2012-007.
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