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19 April 2024 |
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TITAN's Digital RFQ Ion Beam Cooler and Buncher, Operation and Performance | | T. Brunner
; M.J. Smith
; M. Brodeur
; S. Ettenauer
; A. Lapierre
; E. Mané
; R. Ringle
; M.C. Simon
; P. Delheij
; M. Good
; M.R. Pearson
; J. Dilling
; | | Date: |
12 Jul 2011 | | Abstract: | We present a description of the Radio Frequency Quadrupole (RFQ) ion trap
built as part of the TITAN facility. It consists of a gas-filled, segmented,
linear Paul trap and is the first stage of the TITAN setup with the purpose of
cooling and bunching radioactive ion beams delivered from ISAC-TRIUMF. This is
the first such device to be driven digitally, i.e., using a high voltage
($V_{pp} =
m{400 , V}$), wide bandwidth ($0.2 < f < 1.2 ,
m{MHz}$)
square-wave as compared to the typical sinusoidal wave form used to drive such
devices. Results from the commissioning of the device as well as systematic
studies with stable and radioactive ions are presented including efficiency
measurements with stable $^{133}$Cs and radioactive $^{124, 126}$Cs. A novel
and unique mode of operation of such a device is also demonstrated where the
cooled ion bunches are extracted in reverse mode, i.e., into the same direction
as previously injected. | | Source: | arXiv, 1107.2187 | | Services: | Forum | Review | PDF | Favorites | |
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