Author: Langner, A.
Paper Title Page
TUPIK037 Proton Cross-Talk and Losses in the Dispersion Suppressor Regions at the FCC-hh 1763
 
  • H. Rafique, R.B. Appleby
    UMAN, Manchester, United Kingdom
  • J.L. Abelleira
    JAI, Oxford, United Kingdom
  • A.M. Krainer, A. Langner
    CERN, Geneva, Switzerland
  
  Funding: The European Circular Energy-Frontier Collider Study (EuroCirCol), EU's Horizon 2020 grant No 654305
Protons that collide at the interaction points of the FCC-hh may contribute to the background in the subsequent detector. Due to the high luminosity of the proton beams this may be of concern. Using DPMJET-III to model 50 TeV proton-proton collisions, tracking studies have been performed with PTC and MERLIN in order to gauge the elastic and inelastic proton cross-talk. High arc losses, particularly in the dispersion suppressor regions, have been revealed. These losses originate mainly from particles with a momentum deviation, either from interaction with a primary collimator in the betatron cleaning insertion, or from the proton-proton collisions. This issue can be mitigated by introducing additional collimators in the dispersion suppressor region. The specific design, lattice integration, and the effect of these collimators on cross-talk is assessed. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPIK037  
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TUPVA002 Updates on the Optics of the Future Hadron-Hadron Collider FCC-hh 2023
 
  • A. Chancé, D. Boutin, B. Dalena
    CEA/IRFU, Gif-sur-Yvette, France
  • B.J. Holzer, A. Langner, D. Schulte
    CERN, Geneva, Switzerland
  
  Funding: The European Circular Energy-Frontier Collider Study (EuroCirCol) project has received funding from the European Union's Horizon 2020 research and innovation programme under grant No 654305.
The FCC-hh (Future Hadron-Hadron Circular Collider) is one of the three options considered for the next generation accelerator in high-energy physics as recommended by the European Strategy Group. The layout of FCC-hh has been optimized to a more compact design following recommendations from civil engineering aspects. The updates on the first order and second order optics of the ring will be shown for collisions at the required centre-of-mass energy of 100 TeV. Special emphasis is put on the dispersion suppressors and general beam cleaning sections as well as first considerations of injection and extraction sections. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPVA002  
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TUPVA040 Overview of Design Development of FCC-hh Experimental Interaction Regions 2151
 
  • A. Seryi, J.L. Abelleira, E. Cruz Alaniz, L.J. Nevay, L. van Riesen-Haupt
    JAI, Oxford, United Kingdom
  • R.B. Appleby, H. Rafique
    UMAN, Manchester, United Kingdom
  • R.B. Appleby
    Cockcroft Institute, Warrington, Cheshire, United Kingdom
  • J. Barranco García, T. Pieloni
    EPFL, Lausanne, Switzerland
  • M. Benedikt, M.I. Besana, X. Buffat, H. Burkhardt, F. Cerutti, A. Langner, R. Martin, W. Riegler, D. Schulte, R. Tomás
    CERN, Geneva, Switzerland
  • M. Boscolo, F. Collamati
    INFN/LNF, Frascati (Roma), Italy
  • M. Hofer
    TU Vienna, Wien, Austria
  • L.J. Nevay
    Royal Holloway, University of London, Surrey, United Kingdom
  • L. van Riesen-Haupt
    University of Oxford, Oxford, United Kingdom
  
  The experimental interaction region is one of the key areas that define the performance of the Future Circular Collider. In this overview we will describe the status and the evolution of the design of EIR of FCC-hh, focusing on design of the optics, energy deposition in EIR elements, beam-beam effects and machine detector interface issues.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPVA040  
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