2007
DOI: 10.1063/1.2727457
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33.7 MHz heavy-ion radio frequency quadrupole linac at VECC Kolkata

Abstract: A 33.7 MHz heavy-ion radio frequency quadrupole (RFQ) linear accelerator has been designed, built, and tested. It is a four-rod-type RFQ designed for acceleration of 1.38 keVu, qA> or =116 ions to about 29 keVu. Transmission efficiencies of about 85% and 80% have been measured for the unanalyzed and analyzed beams, respectively, of oxygen ((16)O(2+), (16)O(3+), (16)O(4+)), nitrogen ((14)N(3+), (14)N(4+)), and argon ((40)Ar(4+)). The system design and measurements along with results of beam acceleration test wi… Show more

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Cited by 8 publications
(5 citation statements)
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“…Figure 5 shows the measured frequency shift vs rotation of loop and compared with analytical results. The design of a loop type coupler and inductive tuner for RFQ cavity has been successfully developed and low power tests has been done from VNA the measured value is quite (3) close to the analytically estimated value. The loop coupler successfully delivered the power to RFQ cavity from RF amplifier and tested up to 4 KW continues power and 11 KW pulsed power with 30% duty cycle.…”
Section: Inductive Tunersupporting
confidence: 56%
See 1 more Smart Citation
“…Figure 5 shows the measured frequency shift vs rotation of loop and compared with analytical results. The design of a loop type coupler and inductive tuner for RFQ cavity has been successfully developed and low power tests has been done from VNA the measured value is quite (3) close to the analytically estimated value. The loop coupler successfully delivered the power to RFQ cavity from RF amplifier and tested up to 4 KW continues power and 11 KW pulsed power with 30% duty cycle.…”
Section: Inductive Tunersupporting
confidence: 56%
“…In the Radioactive Ion Beam (RIB) facility being built at Kolkata, India [1], radioactive nuclei will be produced inside a thick target and after ionization in an Electron Cyclotron Resonance Ion Source (ECRIS) [2] and mass separation, the low-energy (1.0 keV/u; q/A~1/16) RIB will be accelerated to about 86 keVlu in a the Radio Frequency Quadrupole (RFQ) [3] linac and then in IH-LINAC [4] to the final energy.…”
Section: Introductionmentioning
confidence: 99%
“…operating at 33.7 and 37.8 MHz [2,3]. Main advantage of this type of RFQ is -robust mechanical structure with embedded cooling channels, no brazed joints and ease of frequency tuning.…”
Section: Jinst 12 T02005mentioning
confidence: 99%
“…The reaction products diffusing out of the target would be ionized to 1 + charge state in an integrated target-ion source and would then be transported to an ECR ion-source charge breeder for producing multiply charged radioactive ions. A dipole downstream of the ECR would select the ion beam of interest (q/A selection) and then the ion beam would be accelerated first in an RFQ [2][3][4] to about 99 keV/u and then in a series of IH Linac tanks [5] to about 415 keV/u. The post accelerators including the RFQ have been designed for q/A ≥ 1/14.…”
Section: Introductionmentioning
confidence: 99%