Author: Besana, M.I.
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MOPAB003 Energy Deposition in the Betatron Collimation Insertion of the 100 TeV Future Circular Collider 68
 
  • M.I. Besana, C. Bahamonde Castro, A. Bertarelli, R. Bruce, F. Carra, F. Cerutti, A. Ferrari, M. Fiascaris, A. Lechner, A. Mereghetti, S. Redaelli, E. Skordis, V. Vlachoudis
    CERN, Geneva, Switzerland
 
  The FCC proton beam is designed to carry a total energy of about 8500 MJ, a factor of 20 above the LHC. In this context, the collimation system has to deal with extremely tight requirements to prevent quenches and material damage. A first layout of the betatron cleaning insertion was conceived, adapting the present LHC collimation system to the FCC lattice. A crucial ingredient to assess its performance, in particular to estimate the robustness of the protection devices and the load on the downstream elements, is represented by the simulation of the particle shower generated at the collimators, allowing detailed energy deposition estimations. This paper presents the first results of the simulation chain starting from the proton losses generated with the Sixtrack-FLUKA coupling, as currently done for the present LHC and for its upgrade. Expectations in terms of total power, peak power density and integrated dose on the different accelerator components are presented.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-MOPAB003  
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TUPVA036 Cross-Talk Studies between FCC-hh Experimental Interaction Regions 2136
 
  • J.L. Abelleira, A. Seryi
    JAI, Oxford, United Kingdom
  • R.B. Appleby, H. Rafique
    UMAN, Manchester, United Kingdom
  • M.I. Besana
    CERN, Geneva, Switzerland
 
  Funding: The European Circular Energy-Frontier Collider Study (EuroCirCol), EU's Horizon 2020 grant No 654305.
Debris from 50 TeV proton-proton collisions at the main interaction point in the FCC-hh may contribute to the background in the subsequent detector. This cross-talk is of possible concern for the FCC-hh due to the high luminosity and energy of the collider. DPMJET-III is used as a collision debris generator in order to assess the muon cross-talk contribution. An analytical calculation of muon range in rock is performed. This is followed by a full Monte Carlo simulation using FLUKA, where the accelerator tunnel has been modelled. The muon cross talk between the adjacent interaction points is assessed and its implications for FCC-hh design are discussed.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPVA036  
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TUPVA037 FCC-hh Final-Focus for Flat-Beams: Parameters and Energy Deposition Studies 2139
 
  • J.L. Abelleira, E. Cruz Alaniz, A. Seryi, L. van Riesen-Haupt
    JAI, Oxford, United Kingdom
  • M.I. Besana
    CERN, Geneva, Switzerland
 
  Funding: The European Circular Energy-Frontier Collider Study (EuroCirCol), EU's Horizon 2020 grant No 654305.
The international Future Circular Collider (FCC) study comprises the study of a new scientific structure in a tunnel of 100 km. This will allow the installation of two accelerators, a 45.6'175 GeV lepton collider and a 100-TeV hadron collider. An optimized design of a final-focus system for the hadron collider is presented here. The new design is more compact and enables unequal β* in both planes, whose choice is justified here. This is followed by energy deposition studies, where the total dose in the magnets as a consequence of the collision debris is evaluated.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPVA037  
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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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