Beam buncher for the K130-cyclotron

Saario, Jouni; Gustafsson, J.; Kotilainen, P.; Kaski, Kimmo; Lassila, Antti; Liukkonen, E.

doi:10.1016/0168-9002(95)00847-0

Cited by 5 publications

(1 citation statement)

References 6 publications

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“…The beam dynamics require an inner diameter of the electrodes of 15 mm and a voltage gap of 4 mm. Both electrodes were designed to be conical to avoid the effect of the fringe field at the outer edge of the electrode [8]. The designed MHB operates at 40.625, 81.25, and 121.625 MHz.…”

Section: B Design Of Mhbmentioning

confidence: 99%

Design study of low-energy beam transport for multi-charge beams at RAON

Bahng

Qiang

Kim

2015

Nuclear Instruments and Methods in Physics Research Section A:

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The Rare isotope Accelerator Of Newness (RAON) at the Rare Isotope Science Project (RISP) is being designed to simultaneously accelerate beams with multiple charge states. It includes a driver superconducting (SC) linac for producing 400 kW continuous wave (CW) heavy ion beams from protons to uranium. The RAON consists of a few electron cyclotron resonance (ECR) ion sources, a lowenergy beam transport (LEBT) system, a CW 81.25 MHz radio frequency quadrupole (RFQ) accelerator, a mediumenergy beam transport system, the SC linac, and a chargestripper system. The LEBT system for the RISP accelerator facility consists of a high-voltage platform, two 90 • dipoles, a multi-harmonic buncher (MHB), solenoids, electrostatic quadrupoles, a velocity equalizer, and a diagnostic system. The ECR ion sources are located on a high-voltage platform to reach an initial beam energy of 10 keV/u. After extraction, the ion beam is transported through the LEBT system to the RFQ accelerator. The generated beam is selected by an achromatic bending system and then bunched by the MHB in the LEBT system. The MHB is used to achieve a small longitudinal emittance in the RFQ by generating a sawtooth wave with three harmonics. In this paper, we present the results and issues of the beam dynamics of the LEBT system.

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Section: B Design Of Mhbmentioning

confidence: 99%