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FCC-hh Experimental Insertion Region Design
/ Abelleira, JoséL. (JAI, UK) ; Appleby, Robert B. (Manchester U.) ; Arsenyev, Sergey (CERN) ; Barranco, Javier (Ecole Polytechnique, Lausanne) ; Benedikt, Michael (CERN) ; Besana, Maria Ilaria (CERN) ; García, Oscar Blanco (Frascati) ; Boscolo, Manuela (Frascati) ; Boutin, David (IRFU, Saclay) ; Buffat, Xavier (CERN) et al.
The Future Circular Collider study is exploring possible designs of circular colliders for the post-LHC era, as recommended by the European Strategy Group for High Energy Physics. [...]
arXiv:2007.12058.
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74 p.
Fulltext
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Developments in the experimental interaction regions of the High Energy LHC
/ van Riesen-Haupt, Léon (Oxford U. ; JAI, UK) ; Abelleira, Jose Luis (JAI, UK ; Oxford U.) ; Barranco, Javier (Ecole Polytechnique, Lausanne) ; Cruz Alaniz, Emilia (JAI, UK ; Oxford U.) ; Hofer, Michael (CERN) ; Keintzel, Jacqueline (CERN) ; Pieloni, Tatiana (Ecole Polytechnique, Lausanne) ; Tambasco, Claudia (Ecole Polytechnique, Lausanne) ; Tomás, Rogelio (CERN) ; Zimmermann, Frank (CERN)
The High Energy LHC (HE-LHC) aims to collide 13.5 TeV protons in two high luminosity experiments and two low luminosity experiments. In the following, the recent updates in the two high luminosity experimental interaction regions (EIR) of the HE-LHC will be illustrated. [...]
CERN-ACC-2019-156.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-MOPMP039
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPMP039
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4.
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Updated High-Energy LHC design
/ Zimmermann, Frank (CERN) ; Abelleira, Jose Luis (JAI, UK) ; Abramov, Andrey (JAI, UK ; Royal Holloway, U. of London) ; Amorim, David (CERN) ; Antipov, Sergey (CERN) ; Apyan, Armen (Yerevan Phys. Inst.) ; Arsenyev, Sergey (CERN) ; Barranco, Javier (Ecole Polytechnique, Lausanne) ; Benedikt, Michael (CERN) ; Bruce, Roderik (CERN) et al.
We present updated design parameters for a future High-Energy LHC. A more realistic turnaround time has led to a revision of the target peak luminosity, as well as a choice of a larger IP beta function, and longer physics fills. [...]
CERN-ACC-2019-089.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-MOPMP037
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPMP037
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Assessment of Linear and Non-Linear Optics Errors due to Beam-Beam with Multipoles for the High Luminosity LHC
/ Medina Medrano, Luis (Guanajuato U. ; CERN) ; Barranco García, Javier (Ecole Polytechnique, Lausanne) ; Buffat, Xavier (CERN) ; Pieloni, Tatiana (Ecole Polytechnique, Lausanne) ; Tomás, Rogelio (CERN)
Study of the head-on and long-range beam-beam effects in the High Luminosity LHC (HL-LHC) is of interest to evaluate their potential impact on performance (in the form of luminosity imbalance) and machine operation (collimator system), and, depending on their magnitude, correction schemes might be necessary to minimize them. In this work, both the β-beating at zero amplitude and its amplitude-dependence are computed for the current HL-LHC baseline optics and parameters, as well as the amplitude detuning, at the main interaction points and collimators. [...]
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-THPAK135
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAK135
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The High Energy LHC Beam-Beam Effects studies
/ Pieloni, Tatiana (Ecole Polytechnique, Lausanne) ; Amorim, David (CERN) ; Antipov, Sergey (CERN) ; Barranco García, Javier (Ecole Polytechnique, Lausanne) ; Buffat, Xavier (CERN) ; Rivkin, Leonid (Ecole Polytechnique, Lausanne) ; Salvant, Benoit (CERN) ; Tambasco, Claudia (Ecole Polytechnique, Lausanne) ; Zimmermann, Frank (CERN)
We present in this paper the studies of beam-beam effects for the High Energy Large Hadron Collider. We will describe and review the different aspects of beam-beam interactions (i.e. [...]
CERN-ACC-2018-074.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-MOPMF069
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF069
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High-Energy LHC Design
/ Zimmermann, Frank (CERN) ; Abelleira, Jose Luis (JAI, UK) ; Amorim, David (CERN) ; Antipov, Sergey (CERN) ; Apyan, Armen (Yerevan Phys. Inst.) ; Arsenyev, Sergey (CERN) ; Barranco García, Javier (Ecole Polytechnique, Lausanne) ; Benedikt, Michael (CERN) ; Bruce, Roderik (CERN) ; Burkart, Florian (DESY) et al.
In the frame of the FCC study we are designing a 27 TeV hadron collider in the LHC tunnel, called the High Energy LHC (HE-LHC)..
CERN-ACC-2018-150.-
2018 - 8 p.
- Published in : (2018) , pp. MOPMF064
- Published in : J. Phys.: Conf. Ser. 1067 (2018) 022009
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.MOPMF064
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8.
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Landau Damping Studies for the FCC: Octupole Magnets, Electron Lens and Beam-Beam Effects
/ Tambasco, Claudia (Ecole Polytechnique, Lausanne) ; Arsenyev, Sergey (CERN) ; Barranco García, Javier (Ecole Polytechnique, Lausanne) ; Buffat, Xavier (CERN) ; Pieloni, Tatiana (Ecole Polytechnique, Lausanne) ; Rivkin, Leonid (Ecole Polytechnique, Lausanne) ; Schulte, Daniel (CERN)
Stability studies for the FCC-hh operational cycle are explored using Landau octupoles and electron lenses alone and in the presence of long-range as well as head-on beam-beam effects. Pros and cons of the various methods are compared and an optimum operational scenario to guarantee the maximum stability is proposed..
CERN-ACC-2018-153.-
2018 - 4 p.
- Published in : 10.18429/JACoW-IPAC2018-THPAF074
Fulltext: PDF;
In : 9th International Particle Accelerator Conference, Vancouver, Canada, 29 Apr - 4 May 2018, pp.THPAF074
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10.
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MD 2197: Experimental studies of Landau damping by means of Beam Transfer Function measurements in the presence of beam-beam interactions and diffusive mechanisms
/ Tambasco, Claudia (EPFL - Ecole Polytechnique Federale Lausanne (CH)) ; Barros Marin, Manoel (CERN) ; Barranco Garcia, Javier (EPFL - Ecole Polytechnique Federale Lausanne (CH)) ; Boccardi, Andrea (CERN) ; Buffat, Xavier (CERN) ; Bruce, Roderik (CERN) ; Gasior, Marek (CERN) ; Hostettler, Michi (Universitaet Bern (CH)) ; Lefevre, Thibaut (CERN) ; Louro Alves, Diogo Miguel (CERN) et al.
Beam Transfer Function (BTF) measurements are direct measurement of the stability diagrams that define the stability threshold of coherent beam instabilities driven by the impedance. [...]
CERN-ACC-NOTE-2018-0017.
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2018. - 8 p.
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