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    Proton Production (WP4)
    WP4 • ACCELERATOR • PROTON LINAC
    The main objective of WP4 “Proton Production” is to produce and accelerate the proton beams required to supply the neutron targets of WP3.
    The linear accelerator (Linac) will provide high-intensity and highly stable proton beams to ensure neutron production for all scientific instruments.
    Deliverable
    The performance requirements of the acceleration system are defined to meet the needs of the two neutron beam structures: High-Flux and High-Resolution.
    Particles Production and acceleration of protons.
    Final Energy Accelerated beam up to 25 MeV.
    Peak Current Maximum beam intensity: 80 mA.
    High-Flux Pulses 2 ms at 20 Hz corresponding to a 4% duty cycle and 80 kW average power.
    High-Resolution Pulses 400 µs at 50 Hz corresponding to a 2% duty cycle and 40 kW average power.
    The Linear Accelerator (Linac)
    The Linac consists of several successive subsystems designed to produce, shape, and accelerate the proton beam up to the neutron targets.
    Proton Source Produces a continuous 80 mA beam at an initial energy of 75 keV.
    LEBT — Low Energy Beam Transport Measures, chops, and adapts the beam before injection into the RFQ.
    RFQ — Radio Frequency Quadrupole Bunches the beam and provides the first acceleration stage.
    MEBT — Medium Energy Beam Transport Adapts the beam parameters before injection into the DTL.
    DTL — Drift-Tube Linac Accelerates protons up to 25 MeV.
    HEBT — High Energy Beam Transport Guides and distributes the beams towards the targets.
    Neutron Targets Developed and operated within the framework of WP3.
    Facility Operation
    The Linac is the core component of the acceleration chain. It ensures the production of reliable and precisely controlled proton beams to supply the neutron targets under optimal conditions of power, stability, and safety.
    Thanks to this modular architecture, the facility will be able to adapt its operating modes to the experimental needs of the different scientific communities using neutron beams.