CERN Accelerating science

Article
Title Machine Induced Backgrounds in the FCC-ee MDI Region and Beamstrahlung Radiation
Author(s) Ciarma, Andrea (CERN) ; Boscolo, Manuela (Frascati) ; Ganis, Gerardo (CERN) ; Perez, Emmanuelle (CERN)
Publication 2023
Number of pages 6
In: JACoW eeFACT 2022 (2023) 85-90
In: 65th ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+ e- Colliders (eeFACT2022), INFN, Frascati, Italy, 12 - 16 Sep 2022, pp.85-90
DOI 10.18429/JACoW-eeFACT2022-TUZAT0203
Subject category Accelerators and Storage Rings
Abstract The new design for the central chamber of the FCC-ee beam pipe has a reduced radius of R=10mm and length of L=18cm, allowing to have the inner layer of the Vertex Detector Barrel closer to the interaction point. The effect of the background induced occupancy due to Incoherent Pairs Creation (IPC), beam losses in the MDI area and Synchrotron Radiation are explored for the CLD detector, using the updated version of the Vertex Detector for the new central beam pipe. Also, the characterisation of the intense Beamstrahlung radiation produced at FCC-ee is given.
Copyright/License CC-BY-4.0

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