Simultaneous acceleration of two kinds of ion beams in the RISP

Siwon Jang; Eun-San Kim

doi:10.1007/s41365-019-0616-0

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Simultaneous acceleration of two kinds of ion beams in the RISP

ACCELERATOR, RAY TECHNOLOGY AND APPLICATIONS | Updated：2021-02-01

- Simultaneous acceleration of two kinds of ion beams in the RISP
- Nuclear Science and Techniques Vol. 30, Issue 6, Article number: 95(2019)
- Affiliations：
  
  1.Department of Accelerator Science, Korea University Sejong Campus, Sejong 30019, South Korea
- Author bio：
  
  Corresponding author,, eskim1@korea.ac.kr
- Funds：
- DOI：10.1007/s41365-019-0616-0
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Siwon Jang, Eun-San Kim. Simultaneous acceleration of two kinds of ion beams in the RISP. [J]. Nuclear Science and Techniques 30(6):95(2019)
DOI：

Siwon Jang, Eun-San Kim. Simultaneous acceleration of two kinds of ion beams in the RISP. [J]. Nuclear Science and Techniques 30(6):95(2019) DOI： 10.1007/s41365-019-0616-0.

摘要

Abstract

The Rare Isotope Science Project (RISP) is a research complex consisting of a heavy-ion accelerator, which contains a front-end system, a super-conducting linear accelerator (SCL), an isotope separator online (ISOL) system, and an in-flight system. The original purpose of the post-linear-accelerator (post-linac) section was to accelerate either a stable driver beam derived from an electron cyclotron resonance (ECR) ion source, or an unstable rare-isotope beam from an ISOL system. The post linac lattice has now been redesigned using a novel and improved acceleration concept that allows the simultaneous acceleration of both a stable driver beam and a radioisotope (RI) beam. To achieve this, the post-linac lattice is set for a mass-to-charge ratio (A/q) that is the average of the two beams. The performance of this simultaneous two-beam acceleration is here assessed using two ion beams:,58,Ni,8+, and ,132,Sn,20+,. A beam-dynamics simulation was performed using the TRACK and TraceWin codes. The resultant beam dynamics for the new RISP post-linac lattice design are examined. We also estimate the effects of machine errors and their correction on the post-linac lattice.

关键词

Keywords

Linear acceleratorSimultaneous two-beam accelerationHeavy-ion acceleratorBeam dynamics.

references

RISP web site (http://risp.ibs.re.krhttp://risp.ibs.re.kr)

E.-S. Kim, J. B. Bahng, J.-G. Hwang et al., Start-to-end simulations for beam dynamics in the RISP heavy-ion accelerator, Nucl. Instrum. Meth.A, 794,215-223 (2015). doi: 10.1016/j.nima.2015.05.044http://doi.org/10.1016/j.nima.2015.05.044

P. N. Ostroumov, V. N. Aseev, and B. Mustapha, Beam loss studies in high-intensity heavy-ion linacs, Phys.Rev.S.T.-Accel.Beams,7,090101,(2004).doi: 10.1103/PhysRevSTAB.7.090101http://doi.org/10.1103/PhysRevSTAB.7.090101

P. N. Ostroumov and K. W. Shepard, Correction of beam-steering effects in low-velocity superconducting quarter-wave cavities, Phys.Rev.S.T.-Accel.Beams, 4, 110101 (2001). doi: 10.1103/PhysRevSTAB.4.110101http://doi.org/10.1103/PhysRevSTAB.4.110101

D.-O. Jeon, Status of the RAON accelerator systems, Proceedings of IPAC2013, Shanghai, China, THPWO062.

J.-P. Carneiro et al, Beam loss due to misalignments, RF jitter and mismatch in the Fermilab PROJECT-X 3 GEV CW Linac, FERMILAB-CONF-12-199-APC.

P. N. Ostroumov, B. Mustapha, and V. N. Aseev, Beam dynamics studies of the 8-GeV Superconducting H- Linac, TUP072, Proceedings of LINAC 2006, Knoxville, Tennessee USA.

P. N. Ostroumov, B. Mustapha, and J.-P. Carneiro, Beam dynamics studies of the 8-GeV linac at FNAL, TH301, Proceedings of LINAC08, Victoria, BC, Canada.

B. Mustapha, P. Ostroumov, A. Perry et al., Simultaneous acceleration of radioactive and stable beams in the ATLAS linac, THO1AB01, Proceedings of HN2014, East-Lansing, MI, USA.

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