title: Radio frequency cavity analysis, measurement, and calibration of absolute Dee voltage for K-500 superconducting cyclotron at VECC, Kolkata.
abstract: 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 ±0.2(0), 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.
authors: Variable Energy Cyclotron Centre, Kolkata, India. ssom@vecc.gov.in
authors: Sumit
authors: S
authors: Som
authors: Sudeshna
authors: S
authors: Seth
authors: Aditya
authors: A
authors: Mandal
authors: Saikat
authors: S
authors: Paul
authors: Anjan
authors: A
authors: Duttagupta