2026 Winner: Beam Gas Curtain (BGC) Collaboration

A consortium comprising persons from CERN, the Cockcroft Institute, GSI/FAIR, and the University of Liverpool has been awarded the prestigious “Faraday Cup Award” for the development of a beam-induced fluorescence monitor, referred to as the “Beam Gas Curtain Monitor,

Selected journal articles

• 'Full-cycle, noninvasive emittance monitoring with the beam gas curtain monitor at the LHC', O. Sedláček et al., Physical Review Research 7, 043144 (2025). DOI: 10.1103/5ggy-f8lm
• 'Beam gas curtain monitor: Vacuum studies for LHC integration and operation', C. Castro Sequeiro, et al., Phys. Rev. Accel. Beams 27, 043201 (2024) https://journals.aps.org/prab/abstract/10.1103/PhysRevAccelBeams.27.043201
• 'A gas curtain beam profile monitor using beam induced fluorescence for high intensity charged particle beams', A. Salehilashkajani,  H.D. Zhang, et al., Appl. Phys. Lett. 120, 174101 (2022); https://doi.org/10.1063/5.0085491 
• 'Design and first operation of a supersonic gas jet based beam profile monitor', V. Tzoganis, H. D. Zhang, A. Jeff, C. P. Welsch, Phys. Rev. Accel. Beams 20, 062801 (2017) https://doi.org/10.1103/PhysRevAccelBeams.20.062801

Selected invited talks

• 'BGC monitor: First year of operation at the LHC', IBIC 2024, Beijing, China, Sep. 2024 (H. D. Zhang)
• 'First measurement of the proton beam and lead ion beam in the LHC using BGC monitor', IPAC24, 23rd May 2024 (O. Stringer)
• 'A Gas Jet-based Beam Monitor for Proton and Heavy Ion Beams', ESS Seminar, Lund, Sweden, 16 May 2024 (C.P. Welsch)
• 'Gas jet based fluorescence profile monitor for low energy electrons and high energy protons at LHC', IBIC'23, Saskatoon, Canada, 10-14 of September 2023 (O. Sedlacek)
• 'Development of gas-jet based diagnostics at the Cockcroft Institute', IOP Particle Accelerators and Beams Group Annual Conference, Liverpool, July 2022 (H. D. Zhang)
• 'Non-Destructive Beam Profile Monitors', 16 May 2017, IPAC 17, Copenhagen, Denmark (C. P. Welsch)

Read about the 2026 conference here.