Design of the RAON accelerator systems

Jeon, D.; Hong, In–Sun; Kim, H. J.; Kim, J. W.; Bodenstein, Ryan; J., H.; Choi, Sukjin; Choi, Oh Ryong; Do, Hogyeong; Choi, Bong‐Hyuk; Choi, Chul-Jin; Han, Jin-Tae; Han, Wenjie; Hyun, Myung Ook; Jang, Ha-Young; Joo, Jongdae; Joung, Minjae; Jung, Hoe Chun; Jung, Yoochul; Kim, D. G.; Kim, E.; Kim, W. K.; Kim, Y.; Kim, M.; Lee, J. H.; Lee, K. W.; Lee, M. K.; Park, G. T.; Ryu, Sae Hee; Shin, Inchul; Shin, Jaehee; Song, J.; Yoon, Subin; Yi, K.; Yun, C. C.; Zaghloul, Aziz; Kim, S. K.; Sattorov, Matlabjon; Park, G. S.; Bahng, Jungbae; Hwang, Ji-Gwang; Jang, Seong Ho; Kim, E. S.

doi:10.3938/jkps.65.1010

Cited by 101 publications

(17 citation statements)

References 1 publication

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“…In the RAON accelerator [1], in general, the In-flight Fragmentation (IF) and Isotope Separation On-Line (ISOL) [2] systems are made use of to generate various isotope beams. Firstly the IF system takes a diver linac which consists of the 28 GHz superconducting electron cyclotron resonance ion source (ECR-IS) [3], the main low energy beam transport (LEBT) section, the 500 keV/u RFQ (radio-frequency quadrupole) accelerator, the medium energy beam transport (MEBT) section [4], the 18.5 MeV/u low energy superconducting linac (SCL1), the charge stripper section (CSS), and the high energy superconducting linac (SCL2).…”

Section: Introductionmentioning

confidence: 99%

Achromatic and isochronous lattice design of P2DT bending section in RAON accelerator

Jin

Jang

et al. 2015

Nuclear Instruments and Methods in Physics Research Section A:

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Section: Introductionmentioning

confidence: 99%

Achromatic and isochronous lattice design of P2DT bending section in RAON accelerator

Jin

Jang

et al. 2015

Nuclear Instruments and Methods in Physics Research Section A:

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“…The RISP (rare-isotope science project) is developing a linac which can accelerate uranium beams to 200MeV/u with the beam power of 400 kW [1]. The linac consists of an injector and superconducting linac (SCL) as schematically shown in Figure 1.…”

Section: Introductionmentioning

confidence: 99%

Charge stripper effects on beam dynamics in the 180-degree bending section of the RISP linac

Jang

Jin

Song

2016

Journal of the Korean Physical Society

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The RAON, a superconducting linear accelerator for RISP (Rare Isotope Science Project), will use a charge stripper in order to increase the charge states of the heavy ions for effective acceleration in the higher energy part of the linac. The charge stripper affects the beam qualities by scattering when the heavy ions go through the charge stripper. Moreover we have to select and accelerate proper charge states between 77+ and 81+ for uranium beam case in order to satisfy the beam power requirement at an IF (Inflight Fragmentation) target. This work focuses on the beam optics affected by the charge stripper in the 180-dgree bending section.PACS number: 29.27.Eg,

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“…In other words, the operating temperature cannot be infinitely low since lowering temperature always demands substantial cost. For the Raon accelerator, a quarter wave resonator (QWR) cavity will be operated at 4K while the rest cavities will be operated at 2K [4].…”

Section: Introductionmentioning

confidence: 99%

RRR Characteristics for SRF cavities

Jung

Hyun

Joung

2015

Journal of the Korean Physical Society

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The first heavy ion accelerator is being constructed by the rare isotope science project (RISP) launched by the Institute of Basic Science (IBS) in South Korea. Four different types of superconducting cavities were designed, and prototypes were fabricated such as a quarter wave resonator (QWR), a half wave resonator (HWR) and a single spoke resonator (SSR). One of the critical factors determining performances of the superconducting cavities is a residual resistance ratio (RRR).The RRR values essentially represent how much niobium is pure and how fast niobium can transmit heat as well. In general, the RRR degrades during electron beam welding due to the impurity incorporation. Thus it is important to maintain RRR above a certain value at which a niobium cavity shows target performance. In this study, RRR degradation related with electron beam welding conditions, for example, welding power, welding speed, and vacuum level will be discussed.PACS numbers:

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Design of the RAON accelerator systems

Cited by 101 publications

References 1 publication

Achromatic and isochronous lattice design of P2DT bending section in RAON accelerator

Achromatic and isochronous lattice design of P2DT bending section in RAON accelerator

Charge stripper effects on beam dynamics in the 180-degree bending section of the RISP linac

RRR Characteristics for SRF cavities

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