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TUBH3 |
Dynamic simulation of Laser Cooling at the Heavy Ion Storage Ring | |
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| Laser cooling of relativistic heavy ion beams of Li-like C3+ and O4+ is being in preparation at the experimental Cooler Storage Ring (CSRe). In order to study the laser cooling process, 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 12C3+ ion beams by scanning the frequency of RF-buncher or 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 laser and the RF-buncher. The optimized parameters for scanning the RF-buncher frequency or laser frequency were obtained. Moreover, 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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