Longitudinal dynamics of RF-bunched and electron-cooled ion beam at the CSRe

Wen, Weiqiang; Bußmann, Michael; Yuan, Y.J.; Zhang, D.C.; Winters, D.; Zhu, Xiwen; Li, J.; Liu, H.P.; Zhao, Dongmei; Wang, Z.S.; Mao, R.S.; Zhao, T.C.; Wu, Junxia; Ma, Xinwen; Yan, Tian‐Ci; Li, G.H.; Yang, Xiao-Dong; Liu, Y.; Jiang, Yang; Xia, J.W.; Xu, H. S.

doi:10.1016/j.nima.2013.10.055

Cited by 14 publications

(3 citation statements)

References 21 publications

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“…Laser cooling of the relativistic heavy ion beams at the storage ring CSRe will be achieved by the combination of a CW laser and a RF-buncher, as described in reference [21]. The purposes of the RF-buncher include bunching the ion beams, restricting the ions in the bucket and providing a counter-force for laser scattering force.…”

Section: Multi-particle Tracking Simulation Methods Of Rf-bunched And...mentioning

confidence: 99%

“…Progress is being made in laser cooling experiments for relativistic 12 C 3+ and 16 O 4+ ion beams at the CSRe [20][21][22]. Recently, a test experiment towards laser cool-ing of 12 C 3+ ion beams at an energy of 122 MeV/u was performed with a pulsed laser system.…”

Section: Introductionmentioning

confidence: 99%

“…The UV-PMT and CPM are the ultraviolet-sensitive photomultiplier tube and Channeltron photomultiplier to detect the fluorescence. A specially designed RF-buncher system has been installed to bunch the beam [21]. The relevant parameters for laser cooling of C 3+ ion beams at the CSRe are listed in Table 1.…”

Section: Introductionmentioning

confidence: 99%

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Simulation of longitudinal dynamics of laser-cooled and RF-bunched C ³⁺ ion beams at heavy ion storage ring CSRe

Li¹,

Wen²,

Du³

et al. 2017

Chinese Phys. C

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Laser cooling of relativistic heavy ion beams of Li-like C 3+ and O 4+ is being in preparation at the experimental Cooler Storage Ring (CSRe). Recently, a preparatory experiment to test important prerequisites for laser cooling of relativistic 12 C 3+ ion beams using a pulsed laser system has been performed at the CSRe. Unfortunately, the interaction between the ions and the pulsed laser cannot be detected. In order to study the laser cooling process and find the optimized parameters for future laser cooling experiment, a multi-particle tracking method was developed to simulate the detailed longitudinal dynamics of laser-cooled ion beams at the CSRe. The simulations of laser cooling of the 12 C 3+ ion beams by scanning the frequency of RF-buncher or continuous wave (CW) laser wavelength were performed. The simulation results indicated that a large momentum spread ion beams could be laser-cooled by the combination of only one CW laser and the RF-buncher and shown the requirements of a successful laser cooling experiment. The optimized parameters for scanning the RF-buncher frequency or laser frequency were obtained. Furthermore, the heating effects were estimated for laser cooling at the CSRe. The Schottky noise spectra of longitudinally modulated and laser-cooled ion beams was simulated to fully explain and anticipate the experimental results. The combination of Schottky spectra from the highly sensitive resonant Schottky pick-up and the simulation methods developed in this paper will be helpful to investigate the longitudinal dynamics of RF-bunched and ultra-cold ion beams in the upcoming laser cooling experiments at the CSRe.

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Section: Multi-particle Tracking Simulation Methods Of Rf-bunched And...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Simulation of longitudinal dynamics of laser-cooled and RF-bunched C ³⁺ ion beams at heavy ion storage ring CSRe

Li¹,

Wen²,

Du³

et al. 2017

Chinese Phys. C

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Optical detection system for laser cooling and precision laser spectroscopy of relativistic highly charged ions at the CSRe

et al. 2019

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Laser cooling and precision laser spectroscopy experiments of relativistic highly charged ions are being prepared at the heavy‐ion experimental cooler storage ring (CSRe). Optical detection of fluorescence photons, emitted from the laser‐excited ions, is extremely important for both powerful methods. In this paper, we briefly report on the current status of the existing optical detectors and also on their performance during laser cooling of relativistic Li‐like 16O5+ ion beams at the CSRe. In addition, we introduce the designs for our new optical detection systems, which have much higher photon detection efficiencies and can cover a much broader wavelength range. These detector systems will be used for the upcoming laser spectroscopy experiment of Li‐like 16O5+ ions, as well as for future laser spectroscopy experiments with other highly charged ions.

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Isochronicity corrections for isochronous mass measurements at the HIRFL-CSRe

Gao

Yuan

Jiang

et al. 2014

Nuclear Instruments and Methods in Physics Research Section A:

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Longitudinal dynamics of RF-bunched and electron-cooled ion beam at the CSRe

Cited by 14 publications

References 21 publications

Simulation of longitudinal dynamics of laser-cooled and RF-bunched C ³⁺ ion beams at heavy ion storage ring CSRe

Simulation of longitudinal dynamics of laser-cooled and RF-bunched C ³⁺ ion beams at heavy ion storage ring CSRe

Optical detection system for laser cooling and precision laser spectroscopy of relativistic highly charged ions at the CSRe

Isochronicity corrections for isochronous mass measurements at the HIRFL-CSRe

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Longitudinal dynamics of RF-bunched and electron-cooled ion beam at the CSRe

Cited by 14 publications

References 21 publications

Simulation of longitudinal dynamics of laser-cooled and RF-bunched C 3+ ion beams at heavy ion storage ring CSRe

Simulation of longitudinal dynamics of laser-cooled and RF-bunched C 3+ ion beams at heavy ion storage ring CSRe

Optical detection system for laser cooling and precision laser spectroscopy of relativistic highly charged ions at the CSRe

Isochronicity corrections for isochronous mass measurements at the HIRFL-CSRe

Contact Info

Product

Resources

About

Simulation of longitudinal dynamics of laser-cooled and RF-bunched C ³⁺ ion beams at heavy ion storage ring CSRe

Simulation of longitudinal dynamics of laser-cooled and RF-bunched C ³⁺ ion beams at heavy ion storage ring CSRe