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    Superconductivity & Particle AcceleratorS 2026

    20–22 Oct 2026
    The Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences
    Europe/Warsaw timezone

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    Phase Reference Line for PIP-II Beam Instrumentation

    Not scheduled
    2h 5m
    Auditorium (The Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences)

    Auditorium

    The Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences

    Radzikowskiego 151, Kraków

    Speaker

    Maciej Grzegrzółka (Institute of Electronic Systems, Warsaw University of Technology)

    Description

    Warsaw University of Technology, in collaboration with Fermilab, is developing a Beam Instrumentation Phase Reference Line (BIRL) for the Proton Improvement Plan II (PIP-II) linear accelerator. The system distributes a 162.5 MHz RF phase reference signal along the accelerator using a coaxial main line equipped with 36 tap points.

    The primary objective of the system is to stabilize the phase reference delivered to the beam position monitor electronics. To minimize phase drift, the main-line cable was carefully selected, and a temperature stabilization system was developed for both the cable and the tap points. In addition, a novel two-tone measurement method is used to monitor phase variations in the reference line and apply the necessary corrections.

    This contribution presents the overall system requirements, the BIRL architecture, and the design of its main components. Results obtained using a dedicated test stand are also discussed. Finally, the current status of the project and plans for further development and installation are presented.

    Thematic blocks RF for Accelerators
    Presentation form prefert oral

    Author

    Maciej Grzegrzółka (Institute of Electronic Systems, Warsaw University of Technology)

    Co-authors

    Mr Andžej Šerlat (Warsaw University of Technology, Institute of Electronic Systems) Mr Bartosz Gąsowski (Warsaw University of Technology, Institute of Electronic Systems) Dr Dominik Sikora (Warsaw University of Technology, Institute of Electronic Systems) Jeremiah Holzbauer (Fermi National Accelerator Laboratory) Krzysztof Czuba (Warsaw University of Technology) Dr Maciej Urbański (Warsaw University of Technology, Institute of Electronic Systems) Dr Nathan Eddy (Fermi National Accelerator Laboratory) Mr Paweł Jatczak (Warsaw University of Technology, Institute of Electronic Systems) Mr Radosław Papis (Warsaw University of Technology, Institute of Electronic Systems)

    Presentation materials

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