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MOPBTH004 |
CERN SC RF and ERL Test Facility Plans | |
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| A proposal for a scientific and technical R&D facility based on a recirculating energy recovery linac (ERL) is under active development at CERN. It promises exciting technology developments of principal importance since the ERL technique is a unique way of economising the power consumption which possibly is the biggest common challenge of the next generation of energy frontier accelerators. Aside from various other technical and physics goals and applications considered, this ERL facility, in particular, aims at investigating the ERL principle, including its specific beam dynamics, operational and reliability issues, and at providing a test stand for SC RF cavity modules. The talk presents the high energy ERL configuration, and it outlines the concept and purpose of a 1 GeV electron beam 3-pass ERL facility. | ||
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Slides MOPBTH004 [5.696 MB] | |
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| TUIBLH2026 | LHeC ERL Design and Beam-Dynamics Issues | 15 |
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| The LHeC aims at delivering an electron beam for collision with the LHC proton beam. The current baseline design consists of a multi-pass superconductive energy recovery linac operating in a continuous wave mode. Here, we describe the overall layout of such ERL complex located on the LHC site. We present an optimized multi-pass linac optics enabling operation of the proposed 3-pass RLA in the Energy Recovery mode. We also describe emittance preserving return arc optics architecture; including layout and optics of the arc switch-yard. High current (>100 mA) beam operation in the linacs excites long range wake-fields between bunches of different turns, which induce instabilities and might cause beam losses. The impact of long-range wake-fields, synchrotron radiation, and beam-beam effects has been assessed in this paper. | ||
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Slides TUIBLH2026 [4.159 MB] | |
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WEIALH1043 |
ERL Facility at CERN for Applications | |
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| CERN is presently studying the concept of an ERL facility. The primary goal of such a facility would be the study of superconducting RF modules with substantial beam current and energy. The facility is laid out in a 3-pass racetrack configuration as is envisaged for the high energy ERL of the LHeC. Construction is planned in stages, which would also allow the study of the beam dynamics and the operational aspects of an ERL at different levels of energy gain and energy recovery. The facility is conceived to allow at a later stage to become a scientific instrument for other applications. These applications include: 1) a beam facility for detector R&D, 2) the study of controlled beam induced quenches in superconducting magnets and wires 3) the use as CW free-electron lasers by adding a wiggler in a straight section 4) the use as Compton γ-ray source by adding a laser. | ||
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Slides WEIALH1043 [3.601 MB] | |
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