Direct injection of fully stripped carbon ions into a fast-cycling induction synchrotron and their capture by the barrier bucket

Munemoto, Naoya; Takano, S.; Kadokura, E.; Taufik, Taufik; Yoshimoto, Takashi; Liu, Xingguang; Adachi, Toshikazu; Ikeda, Masataka; Kawakubo, T.; Okamura, Katsuya; Takayama, Ken; Wake, M.

doi:10.1103/physrevaccelbeams.20.080101

Cited by 8 publications

(2 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…where σ x ,y (0) is the unperturbed beam divergence in the two transverse planes. Similar effects have been studies for ionization cooling [13] and for ion stripping [14].…”

Section: Positron Storage Ringsupporting

confidence: 69%

Low emittance muon accelerator studies with production from positrons on target

Boscolo

Antonelli

Blanco-García

et al. 2018

Phys. Rev. Accel. Beams

View full text Add to dashboard Cite

A new scheme to produce very low emittance muon beams using a positron beam of about 45 GeV interacting on electrons on target is presented. One of the innovative topics to be investigated is the behaviour of the positron beam stored in a low emittance ring with a thin target, that is directly inserted in the ring chamber to produce muons. Muons can be immediately collected at the exit of the target and transported to two µ + and µ − accumulator rings and then accelerated and injected in muon collider rings. We focus in this paper on the simulation of the e + beam interacting with the target, the effect of the target on the 6-D phase space and the optimization of the e + ring design to maximize the energy acceptance. We will investigate the performance of this scheme, ring plus target system, comparing different multi-turn simulations. The source is considered for use in a multi-TeV collider in ref. [7].

show abstract

“…where σ x ,y (0) is the unperturbed beam divergence in the two transverse planes. Similar effects have been studies for ionization cooling [13] and for ion stripping [14].…”

Section: Positron Storage Ringsupporting

confidence: 69%

Low emittance muon accelerator studies with production from positrons on target

Boscolo

Antonelli

Blanco-García

et al. 2018

Phys. Rev. Accel. Beams

View full text Add to dashboard Cite

show abstract

“…Figure 14 shows that the dispersion function at the injection energy is much smaller than at the extraction energy. We previously obtained the maximum Δp=p of 0.41% from injecting carbon ions into the fast-cycling induction synchrotron (KEK digital accelerator) [15]. Assuming the maximum Δp=p at the injection energy is 0.41%, the maximum x eq is 5.3 mm, which is still sufficiently small.…”

Section: Dispersion Functionmentioning

confidence: 99%

Beam dynamics of the racetrack-shape fixed field induction accelerator

Taufik

Adachi

Wake

et al. 2019

Phys. Rev. Accel. Beams

View full text Add to dashboard Cite

Beam dynamics of the racetrack-shape fixed field induction accelerator for giant cluster ions were established. Linear optics theory and Runge-Kutta particle tracking approaches were developed, and the consistency between two approaches was confirmed. Use of gradient field bending magnets with a reverse field strip and ramping quadrupole doublets were crucial to achieve the orbit stability. A physically limited size of the huge bending magnet in the longitudinal direction generated the inherent closed-orbit distortion that substantially affected the orbit stability. In addition, the inherent field component B s along the orbit coordinate "s" induced horizontal-vertical (H-V) couplings. A possible correction method of this closedorbit distortion was proposed. A net effect of the H-V coupling was evaluated. Longitudinal motion with a time-varying transition energy, which is one of characteristic features in the racetrack-shape fixed field induction accelerator, was studied with the help of computer simulations.

show abstract