ACADSTAFF UGM

CREATION
Title : Magnetic field of DECY-13 from numerical extrapolation of the measurement result for beam trajectory simulations in central region
Author :

Idrus Abdul Kudus (1) Silakhuddin (2) Prof. Dr. Pramudita Anggraita (3) Mirza Satriawan, S.Si., M.Si., Ph.D. (4)
Date : 0 2020
Keyword : - -
Abstract : DECY-13 cyclotron is a radioisotope production cyclotron developed by PSTA. In a cyclotron, it is important to understand magnetic fields and electric field distribution for the proton beam trajectories. This paper describes the distribution of the magnetic field from the experimental measurement. Magnetic field has been converted into 3-dimensional data by extrapolation. Data validation was done by comparing the Opera3D simulation and used in simulations of the beam trajectories. Simulations were carried out by using Scilab 5.4.1 and the Runge-Kutta (RK4) approximation method. The parameters used in DECY-13 cyclotron were 40 kV Dee voltage with a radiofrequency (RF) 77.66 MHz and a fourth-harmonics type. The calculations and simulations result showed the beam could pass through the puller at the distance of the ion source with a puller was 6 mm and the optimum distance of 4 mm. The largest difference in error at z = 6 mm was 0.023 T of the average magnetic field 1.275 T. The phase acceptance in horizontal and vertical motion in the central region was about 38 Degrees from -19° to 19°. This experimental and simulation data could be used as a reference for DeCY-13 cyclotron magnetic and electric field distribution profiles.
Group of Knowledge :
Level : Internasional
Status :
Published
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