Radio frequency cavity analysis, measurement, and calibration of absolute Dee voltage for K-500 superconducting cyclotron at VECC, Kolkata

Variable Energy Cyclotron Centre has commissioned a K-500 superconducting cyclotron for various types of nuclear physics experiments. The 3-phase radio-frequency system of superconducting cyclotron has been developed in the frequency range 9–27 MHz with amplitude and phase stability of 100 ppm and ±...

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Bibliographic Details
Published in:Review of scientific instruments 2013-02, Vol.84 (2), p.023303-023303
Main Authors: Som, Sumit, Seth, Sudeshna, Mandal, Aditya, Paul, Saikat, Duttagupta, Anjan
Format: Article
Language:English
Subjects:
CADMIUM TELLURIDES
CALIBRATION
Computer simulation
COMPUTERIZED SIMULATION
Cyclotrons
ELECTRIC POTENTIAL
Holes
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
NUCLEAR PHYSICS
PARTICLE ACCELERATORS
PHASE STABILITY
Radio frequencies
RADIOWAVE RADIATION
RF SYSTEMS
SUPERCONDUCTING CYCLOTRONS
Superconductivity
VARIABLE ENERGY CYCLOTRONS
Voltage
X RADIATION
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Summary:Variable Energy Cyclotron Centre has commissioned a K-500 superconducting cyclotron for various types of nuclear physics experiments. The 3-phase radio-frequency system of superconducting cyclotron has been developed in the frequency range 9–27 MHz with amplitude and phase stability of 100 ppm and ±0.20, respectively. The analysis of the RF cavity has been carried out using 3D Computer Simulation Technology (CST) Microwave Studio code and various RF parameters and accelerating voltages (“Dee” voltage) are calculated from simulation. During the RF system commissioning, measurement of different RF parameters has been done and absolute Dee voltage has been calibrated using a CdTe X-ray detector along with its accessories and known X-ray source. The present paper discusses about the measured data and the simulation result.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4789784