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RIS citation export for TUP13: Transport of intense Bismuth and Uranium beams into a radio frequency quadrupole accelerator

TY  - CONF
AU  - Rodrigues, G.O.
AU  - Hamm, R.W.
ED  - Maimone, Fabio
ED  - Schaa, Volker RW
ED  - Mueller, Raphael
TI  - Transport of intense Bismuth and Uranium beams into a radio frequency quadrupole accelerator
J2  - Proc. of ECRIS2024, Darmstadt, Germany, 15-19 September 2024
CY  - Darmstadt, Germany
T2  - International Workshop on Electron Cyclotron Resonance Ion Sources
T3  - 26
LA  - english
AB  - A 48.5 MHz RFQ has been designed to transport and accelerate ²³⁸U⁴⁰⁺ (0.52 emA) and ²⁰⁹Bi³⁰⁺ (1.047 emA) beams extracted from a high performance ECR ion source. The RFQ design comprises of a pre-buncher built into the vanes to narrow the transmitted charge state distribution as much as possible. The design parameters as a function of cell length is optimised on ²⁰⁹Bi³⁰⁺. It is shown that the losses of various ions without using an inlet aperture are inevitable, but by proper coating of the vanes of the RFQ, sputtering can be minimised to a great extent. Titanium shows better results when compared with gold or copper and this has been verified using the modelling results from SRIM. The design details of matching the ECR and the RFQ and the predicted performance will be presented.				 				
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 124
EP  - 130
KW  - rfq
KW  - ECR
KW  - ion-source
KW  - extraction
KW  - focusing
DA  - 2024/09
PY  - 2024
SN  - 2222-5692
SN  - 978-3-95450-257-8
DO  - doi:10.18429/JACoW-ECRIS2024-TUP13
UR  - https://jacow.org/ecris2024/papers/tup13.pdf
ER  -