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- 1+/N+ method: experimental measurements on SPIRAL1 ECR charge breeder and numerical simulation studies to understand the 1+ ion capture by ECR plasma
2019
Quick information
| Type | Seminar |
| La physique dans tous ses états | |
| Date | March 26, 2019 - 11:30 |
| Time | 11:30 |
| Location | Room 105 | GANIL, Caen | France |
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1+/N+ method: experimental measurements on SPIRAL1 ECR charge breeder and numerical simulation studies to understand the 1+ ion capture by ECR plasma
By Arun Annaluru
The goal is to pursue the study of charge breeding technique experimentally as well as theoretically in order to understand the physics underlying the method and to get a better control on change breeding parameters for light mass elements. The charge breeding technique (1 + / n + method) is used to transform a mono-charged ion beam into a multi-charged ion beam by operating ECR charge breeder. During the SPIRAL1 commissioning, a few technical changes have been done in the configuration of charge breeder and experimental studies have been performed in order to understand the transport of the beam through the SP1 charge breeder (shooting through mode) and to investigate the 1+ capture processes.
Beam transport simulations have been performed using a particle tracking code SIMION 3D to evaluate ion losses during the ion transport through the SP1 CB. In addition, a numerical simulation study is currently being carried out using Monte Carlo Charge Breeding (MCBC) code [1, 2], which can model the capture and charge breeding of a beam of ions injected into plasma. Detailed comparisons between the simulated and experimental results can show a possible way to determine the tendency of charge breeder parameters, which influences the 1+ ion capture efficiency by the ECR plasma.
References
[1] JS. Kim et al., Ion beam capture and charge breeding in electron cyclotron resonance ion source plasmas, Review of Scientific Instruments, 78, 103503 (2007).
[2] JS. Kim et al., Electron Cyclotron Resonance charge breeder ion source simulation by MCBC and GEM, Review of Scientific Instruments 79, 02B906 (2008).