High power coupler development for EIC

Xu, Wencan; Fite, J.; Holmes, Douglas; Conway, Zachary; Smith, Kevin S.; Zaltsman, A.

doi:10.2172/1809066

Cited by 2 publications

(3 citation statements)

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“…First, the diameter of the ceramic disk in the coaxial line is reduced for the same RF power compared to in TE-mode waveguide design, since it operates in low impedance TEM mode. For 600 kW average power at 400 MHz, the window size can be reduced from 13'' to 8'' [5], which significantly reduces the fabrication complexity and improves structural stability, while keeping the TE11 mode cut-off frequency in the coaxial line ~50% higher than the operating frequency. Second, the cooling of coaxial windows can be performed from both the inner and outer conductor sides.…”

Section: Rf Designmentioning

confidence: 99%

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Electromagnetic design of 402 MHz normal conducting coaxial window for SNS facility

Pronikov,

Agustsson,

Kang

et al. 2024

J. Phys.: Conf. Ser.

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RadiaBeam has developed a novel design of MW-class high-power RF windows to be used in high-power proton accelerators, such as SNS. This design is based on the utilization of a coaxial window between two waveguides to coaxial transitions, instead of a ceramic window in a uniform cylindrical waveguide, which provides several significant benefits. In this paper, we will present the RF and engineering design of this window.

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Section: Rf Designmentioning

confidence: 99%

“…The SEY parameter of TiN depends on the coating quality. A reasonable peak SEY for TiN is between 1.2 -1.5 [3,5,8]. Since we assume that our A0497U ceramics will have a TiN coating, we took the value for SEY in this range for the multipactor simulations, performed in CST Particle Studio (PIC).…”

Section: Multipactor Simulationsmentioning

confidence: 99%

Electromagnetic design of 402 MHz normal conducting coaxial window for SNS facility

Pronikov,

Agustsson,

Kang

et al. 2024

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

“…The maximum average current for the electron beam circulating in the EIC electron storage ring is limited to 2.5 A for the 5 and 10 GeV electron beams and 0.25 A for the 18 GeV electron beam in order to keep the synchrotron radiation power loss below 10 MW. This power will be restored by seventeen or eighteen 591 MHz singlecell SRF cavities, each equipped with a pair of MW-level CW power couplers [60]. In addition to the challenges derived from high power handling, the variety of beam energies and currents for EIC operation require that these couplers cover a broad range of power levels and couplings.…”

Section: Eicmentioning

confidence: 99%

Electron-Hadron Colliders: EIC, LHeC and FCC-eh

2022

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Electron-hadron colliders are the ultimate tool for high-precision quantum chromodynamics studies and provide the ultimate microscope for probing the internal structure of hadrons. The electron is an ideal probe of the proton structure because it provides the unmatched precision of the electromagnetic interaction, as the virtual photon or vector bosons probe the proton structure in a clean environment, the kinematics of which is uniquely determined by the electron beam and the scattered lepton, or the hadronic final state accounting appropriately for radiation. The Hadron Electron Ring Accelerator HERA (DESY, Hamburg, Germany) was the only electron-hadron collider ever operated (1991–2007) and advanced the knowledge of quantum chromodynamics and the proton structure, with implications for the physics studied in RHIC (BNL, Upton, NY) and the LHC (CERN, Geneva, Switzerland). Recent technological advances in the field of particle accelerators pave the way to realize next-generation electron-hadron colliders that deliver higher luminosity and enable collisions in a much broader range of energies and beam types than HERA. Electron-hadron colliders combine challenges from both electron and hadron machines besides facing their own distinct challenges derived from their intrinsic asymmetry. This review paper will discuss the major features and milestones of HERA and will examine the electron-hadron collider designs of the Electron-Ion Collider (EIC) currently under construction at BNL, the CERN’s Large Hadron electron Collider (LHeC), at an advanced stage of design and awaiting approval, and the Future Circular lepton-hadron Collider (FCC-eh).

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High power coupler development for EIC

Cited by 2 publications

References 0 publications

Electromagnetic design of 402 MHz normal conducting coaxial window for SNS facility

Electromagnetic design of 402 MHz normal conducting coaxial window for SNS facility

Electron-Hadron Colliders: EIC, LHeC and FCC-eh

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