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International Workshop on Accelerator Alignment 2026

5–9 Oct 2026
Tsukuba International Congress Center
Asia/Tokyo timezone

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Session

Survey & alignment II

6 Oct 2026, 10:10
Middle Hall 200 (Tsukuba International Congress Center)

Middle Hall 200

Tsukuba International Congress Center

2-20-3 Takezono, Tsukuba City, Ibaraki Prefecture 305-0032, Japan

Conveners

Survey & alignment II

  • Yuichi OKAYASU (KEK)

Presentation materials

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  1. 9. Evaluation and integration of ATS800 laser tracker for automated survey operations at CERN (TUO02)
    Jean-Frédéric Fuchs (CERN)
    06/10/2026, 10:10

    The introduction of new portable high-precision laser scanners represents a significant advancement in metrology, enabling direct high-accuracy and non-contact measurements.
    CERN surveyors are currently evaluating and developing new workflows to integrate the Leica Absolute Tracker ATS800 into measurement campaigns, particularly in highly radioactive environments, where minimising personnel...

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  2. 10. Building a European Alignment Community: key outcomes from EUWAA 2025 and 2026 (TUO03)
    Hélène Mainaud (CERN)
    06/10/2026, 10:35

    Since 2022, survey and alignment experts from European laboratories have met annually at the EUropean Workshop on Accelerator Alignment (EUWAA). The workshop provides a forum for building a coordinated European approach to accelerator, detector and beamline alignment. It aims to foster exchange on common challenges, best practises, future tends and to strengthen cooperation between labs....

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  3. 11. Survey and Alignment of the EINSTEIN telescope pilot at CERN (TUO04)
    Solomon Kamugasa (CERN)
    06/10/2026, 11:00

    The Einstein Telescope (ET) is a proposed third-generation gravitational-wave observatory requiring an ultra-high vacuum infrastructure of approximately 120 km with stringent alignment tolerances. To validate key engineering and installation procedures, the Einstein Telescope pilot has been constructed at CERN as a reduced-scale demonstrator using full-size representative vacuum components...

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  4. 12. Contribution of Wire Offset Measurements to a Laser Tracker Geodetic Network in the FCC Tunnel (TUO05)
    Vincent Gerligand (CERN)
    06/10/2026, 11:25

    The FCC-ee, a future 91 km circumference lepton collider planned for operation in the coming decades, requires the relative alignment of neighbouring accelerator components to be maintained better than 0.15 mm. The installation of the components in the FCC-ee arcs therefore requires a geometrical network throughout the entire tunnel to enable both the initial positioning and the precise...

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