FCC Physics and Experiments Note Submission

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Published March 24, 2025 | Version V2
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The FCC-ee interaction region, design and integration of the machine elements and detectors, machine induced backgrounds and key performance indicators

Authors/Creators

  • 1. Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
  • 2. Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
  • 3. CERN
  • 4. Istituto Nazionale di Fisica Nucleare, Sezione di Perugia
  • 5. ROR icon Sapienza University of Rome
  • 6. ROR icon University of Freiburg
  • 7. Niels Bohr Institute
  • 8. ROR icon University of Liverpool
  • 9. ROR icon University of Zurich
  • 10. ROR icon Paul Scherrer Institute
  • 11. ROR icon SLAC National Accelerator Laboratory
  • 12. ROR icon University of Geneva
  • 13. ROR icon Brookhaven National Laboratory
  • 14. ROR icon Fermilab

Description

This note describes the elements of the FCC-ee interaction region (IR), namely the beam pipes, the bellows, as well as the vertex detectors, and their mechanical integration. A general overview of the FCC-ee IR is given in Section 1, where the main requirements are discussed. The IR optics design, as far as the magnetic configuration and compensation scheme is given in Section 2. The mechanical description of the FCC-ee IR layout is discussed in Section 3, followed by the description of its mechanical integration and alignment in Section 4. Section 5 describes the simulation framework of the machine elements and the vertex detector. Finally, the effects of the machine induced backgrounds, which have implications on the design and requirements on the electronics and detector technology, are discussed in Sections 6 and 7. 

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Dates

Updated
2024-03-24
Note in support of the FCC Feasibility Study Report

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