Development of a radio-frequency quadrupole cooler for high beam currents Article Swipe
Ramzi Boussaid
,
G. Ban
,
G. Qúeḿener
,
Y. Merrer
,
J. Lorry
·
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.1103/physrevaccelbeams.20.124701
YOU?
·
· 2017
· Open Access
·
· DOI: https://doi.org/10.1103/physrevaccelbeams.20.124701
The SHIRaC prototype is a recently developed radio-frequency quadrupole (RFQ) beam cooler with an improved optics design to deliver the required beam quality to a high resolution separator (HRS). For an isobaric separation of isotopes, the HRS demands beams with emittance not exceeding 3π mm mrad and longitudinal energy spread ∼1 eV. Simulation studies showed a significant contribution of the buffer gas diffusion, space charge effect and mainly the rf fringe field to degrade the achieved beam quality at the RFQ exit. A miniature rf quadrupole (μRFQ) has been implemented at that exit to remove the degrading effects and provide beams with 1 eV of energy spread and around 1.75π mm mrad of emittance for 4 Pa gas pressure. This solution enables also to transmit more than 60% of the incoming ions for currents up to 1 μA. Detailed studies of this development are presented and discussed in this paper. Transport of beams from SHIRaC towards the HRS has been done with an electrostatic quadrupole triplet. Simulations and first experimental tests showed that more than 95% of ions can reach the HRS. Because SPIRAL-2 beams are of high current and very radioactive, the buffer gas will be highly contaminated. Safe maintenance of the SHIRaC beam line needs exceptional treatment of radioactive contaminants. For that, special vinyl sleep should be mounted on elements to be maintained. A detailed maintenance process will be presented.
Related Topics
Concepts
Thermal emittance
Radio-frequency quadrupole
Beam (structure)
Physics
Quadrupole
Transverse plane
Beam emittance
Radio frequency
Space charge
Laser beam quality
Amplitude
Optics
Ion beam
Atomic physics
Linear particle accelerator
Nuclear physics
Electrical engineering
Electron
Laser
Engineering
Laser beams
Structural engineering
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1103/physrevaccelbeams.20.124701
- http://link.aps.org/pdf/10.1103/PhysRevAccelBeams.20.124701
- OA Status
- diamond
- Cited By
- 12
- References
- 21
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3098351601
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W3098351601Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.1103/physrevaccelbeams.20.124701Digital Object Identifier
- Title
-
Development of a radio-frequency quadrupole cooler for high beam currentsWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2017Year of publication
- Publication date
-
2017-12-06Full publication date if available
- Authors
-
Ramzi Boussaid, G. Ban, G. Qúeḿener, Y. Merrer, J. LorryList of authors in order
- Landing page
-
https://doi.org/10.1103/physrevaccelbeams.20.124701Publisher landing page
- PDF URL
-
https://link.aps.org/pdf/10.1103/PhysRevAccelBeams.20.124701Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
diamondOpen access status per OpenAlex
- OA URL
-
https://link.aps.org/pdf/10.1103/PhysRevAccelBeams.20.124701Direct OA link when available
- Concepts
-
Thermal emittance, Radio-frequency quadrupole, Beam (structure), Physics, Quadrupole, Transverse plane, Beam emittance, Radio frequency, Space charge, Laser beam quality, Amplitude, Optics, Ion beam, Atomic physics, Linear particle accelerator, Nuclear physics, Electrical engineering, Electron, Laser, Engineering, Laser beams, Structural engineeringTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
12Total citation count in OpenAlex
- Citations by year (recent)
-
2025: 1, 2024: 1, 2023: 3, 2021: 1, 2020: 1Per-year citation counts (last 5 years)
- References (count)
-
21Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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