Status of the FCC-ee interaction region design

Status of the FCC-ee interaction region design

Abstract This paper presents a comprehensive overview of the Machine Detector Interface (MDI) design developed for the FCC-ee Feasibility Study. It highlights novel studies related to the lightweight interaction region, including a mechanical model of the vacuum chambers, integration of the vertex d...

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Main Authors: Manuela Boscolo, Fabrizio Palla, Gherardo Ammirabile, Kevin D. J. Andre, Giorgio Baldinelli, Patricia Borges de Sousa, Filippo Bosi, Giacomo Broggi, Roderik Bruce, Helmut Burkhardt, Marco Calviani, Silvio Candido, Andrea Ciarma, Mogens Dam, Brieuc Francois, Rui Franqueira Ximenes, Francesco Fransesini, Alessandro Frasca, Andrea Gaddi, Armin Ilg, Robert Kieffer, Michael Koratzinos, Stefano Lauciani, Anton Lechner, Giuseppe Lerner, Giulia Nigrelli, Alexander Novokhatski, Katsunobu Oide, Antonio Perillo Marcone, Brett Parker, Pantaleo Raimondi, John T. Seeman, Cristiano Turrioni, Leonard Watrelot, Frank Zimmermann
Format: Article
Language:English
Published: SpringerOpen 2025-08-01
Series:EPJ Techniques and Instrumentation
Subjects:
Electron-positron collider
Machine-detector interface
Beam-induced backgrounds
Mechanics
Tracking and vertex detectors
Calorimeters
Online Access:https://doi.org/10.1140/epjti/s40485-025-00117-3
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Summary:Abstract This paper presents a comprehensive overview of the Machine Detector Interface (MDI) design developed for the FCC-ee Feasibility Study. It highlights novel studies related to the lightweight interaction region, including a mechanical model of the vacuum chambers, integration of the vertex detector, the MDI alignment system, and assessments of machine-induced backgrounds. The small beam pipe radius and thickness, as well as the high power to be dissipated, require state-of-the-art mechanical design. The integration of all mechanical elements and detectors is challenging, necessitating careful studies to allow fulfilling conflicting requirements. The optimisation of the machine detector interface against formidable backgrounds is presented.
ISSN:2195-7045

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