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I.A. Kudus
Center for Accelerator Science and Technology, National Nuclear Energy Agency, Jl. Babarsari, Yogyakarta 55281, Indonesia
Materials Science & Nanotechnology

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Journal : atom indonesia journal

 1 
Simulations of Beam Quality in a 13 MeV PET Cyclotron A. Pramudita; E. Mulyani; I.A. Kudus
Atom Indonesia Vol 41, No 3 (2015): December 2015
Publisher : PPIKSN-BATAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/aij.2015.411

Abstract

Simulation of the trajectories of negative hydrogen ion (H−) beam in a 13 MeV PET cyclotron (DECY-13) were carried out by using the Runge-Kutta (RK4) approximation method and Scilab 5.4.1. The magnetic and electric fields were calculated using Opera-3d/TOSCA softwares at 1 mm resolution. The cyclotron is of a fourth-harmonics type, meaning that the acceleration occurs four times per cycle, with a radiofrequency (RF) field of 77.66 MHz frequency and 40 kV amplitude. The calculations and simulations show that the maximum distance between the ion source and the puller is about 6 mm, while the maximum width of the beam at 13 MeV is about 10 mm, and the initial phase between the RF field and the beam ranges from -10° to 10°, with a yield of about 10% of the beam from the ion source getting accelerated to 13 MeV.Received: 12 March 2015; Revised:30 June 2015; Accepted: 01 July 2015
Optimization of Ion Source Head Position in the Central Region of DECY-13 Cyclotron S Silakhuddin; I.A. Kudus
Atom Indonesia Vol 43, No 2 (2017): August 2017
Publisher : PPIKSN-BATAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (18.859 KB) | DOI: 10.17146/aij.2017.584

Abstract

Optimization of the ion source head position of the DECY-13 Cyclotron in the central region has been carried out based on simulation process using a particle tracking program written in Scilab 5.2.1. The simulated particle was the H- ion that was accelerated in DECY-13 Cyclotron. The input for the program were the magnetic field and the electric field in the central region that were calculated by Opera-3D software package and TOSCA module. The optimized position of ion source head position is in a radius of 2 cm relative to the zero point of the magnet and at a distance of 4 mm relative to the puller. This result can be useful for determining the configuration of the parts in the central region when it is tested for generating the first ion beam in the future.
Co-Authors A. Pramudita E. Mulyani S Silakhuddin