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Abstract (D6.S2)

Updated FCC-hh layout under the baseline scenario, including the injection lines from the LHC and/or a possible superconducting SPS. The overall layout of the FCC-hh has been deeply revised following the outcome of the placement studies. This comprises a new ring circumference, an exact four-fold ring symmetry, and two types of straight sections: a shorter one housing the four experiments and a longer one housing the technical systems (collimation, dump, RF, and injection). The layout is compatible with an injection scheme that delivers the beams to the FCC-hh ring from the LHC or a superconducting SPS.

Completion of the design of the collider optics with new designs for collimation and extraction/dump insertions. The new layout imposes some in-depth changes in the overall configuration of the FCC-hh ring. The experimental straight sections have been reviewed since the version presented in the CDR, in terms of their geometry and the detail of the optical solutions. The technical straight sections have been deeply reviewed due to the change in length and the different functionalities associated with them. This entails new optical designs and detailed studies to validate their performance. The deliverables will include the new designs of the regular arcs and dispersion suppressors, the experimental straight sections, the beam dump and injection straight section, collimation straight sections and the RF and injection straight section.

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Topic revision: r2 - 2023-02-16 - FrankZimmermann
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