Beam tracking simulation in the central region of a 13 MeV PET cyclotron

Anggraita, Pramudita; Santosa, Budi; Taufik, Taufik; Mulyani, Emy; Diah, Frida Iswinning

doi:10.1063/1.4730715

Cited by 6 publications

(6 citation statements)

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“…Because of symmetry, it is sufficient to have the magnetic field distribution data only at 1/8 of the overall field volume of 480 mm × 480 mm × 30 mm (x,y,z). The size of the binary data in Scilab 5.4.1 at 1 mm resolution is about 38 MB for each B x , B y , dan B z components [9].…”

Section: A Isochronous Magnetic Fieldc Calculationmentioning

confidence: 99%

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Evaluation of shimmed DECY-13 MeV Cyclotron Magnet Using H- Beam Tracking Simulation

Kudus

Satriawan²

2020

j.phys.soc.indones.

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–Using OPERA3DTM, the magnet poles’ shimming that provide an isochronous magnetic field in DECY-13 cyclotron was designed and calculated. The shimmed magnet poles as designed were placed in the magnet and the distribution of the magnetic field in the magnet axis direction (Bz) was measured in radial ( x and y) directions using 2 probes covering x=0 to 480 mm for one probe and 481 to 960 mm for the other, and y=0 to 960 mm, all were done at z=0 in 9 hours of scanning at 5 mm steps. This paper describes the interpolation and extrapolation to obtain data for magnetic field components (Bx, By,Bz) at 1 mm resolution and at z≠0 as required for beam tracking simulations. The tracking results are used to evaluate the distribution of the shimmed magnetic fields of DECY-13. The program for the interpolation and extrapolation was written and run using a free software Scilab 5.4.1, and tested against OPERA3DTM design data. The beam can reach final energy of 13 MeV when both data was applying in the beam tracking simulation.. However when the measured data was used, the final energy of the beam reached only 3 MeV, meaning that at the place where that energy was reached the magnetic field is no longer is of isochronous and the shimming of the magnetic poles’ must be improved or redesigned to reach the final beam energy of 13 MeV.Key words: isochronous, DECY-13 cyclotron, Scilab 5.4.1, interpolation and extrapolation, beam tracking simulation

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Section: A Isochronous Magnetic Fieldc Calculationmentioning

confidence: 99%

“…as no current in the interested magnet region and the effect of displacement current is negigible [9] then equation(3) changes into (4) meaning that each components are zero.…”

Section: B Magnetic Field Interpolations and Extrapolationsmentioning

confidence: 99%

Evaluation of shimmed DECY-13 MeV Cyclotron Magnet Using H- Beam Tracking Simulation

Kudus

Satriawan²

2020

j.phys.soc.indones.

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“…Program tersebut memerlukan data kuat medan magnet dalam format binary yang sesuai. Karena simetri, data kuat medan magnet ini cukup mencakup 1/8 dari seluruh kawasan medan yang berukuran 480 mm  480 mm  30 mm, yang diperoleh dari perhitungan dengan menggunakan perangkat lunak Opera3d dan modul Tosca (6) . Besar data binary sekitar 38 MB untuk masing-masing komponen Bx,…”

Section: Metodologiunclassified

“…Siklotron DECY-13 (Development of Experimental Cyclotron in Yogyakarta) merupakan suatu prototip siklotron yang direncanakan dibuat di PSTA (Pusat Sains dan Teknologi Akselerator), BATAN (Badan Tenaga Nuklir Nasional) di Yogyakarta. DECY-13 didesain untuk mempercepat berkas ion H − hingga tenaga 13 MeV untuk menghasilkan radioisotop untuk PET (Positron Emission Tomography) (5)(6)(7) . Dalam makalah ini dilaporkan simulasi untuk mempercepat berkas ion negatif berbagai isotop karbon.…”

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Simulasi Lintasan Berkas Ion Isotop Isotop Karbon Dalam Siklotron Decy-13

Anggraita¹

2016

gnd

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ABSTRAK SIMULASI LINTASAN BERKAS ION BERBAGAI ISOTOP KARBON DALAM SIKLOTRON DECY-13. Telah dilakukan simulasi lintasan berkas ion berbagai isotop ion karbon 12C, 13C, dan 14C dalam siklotron DECY-13 menggunakan perangkat lunak Scilab 5.4.1. Perhitungan simulasi dilakukan secara iterasi dalam 3 dimensi. Hasil simulasi menunjukkan pemisahan lintasan yang memungkinkan untuk pengukuran 14C seperti pada pertanggalan karbon dengan frekuensi tegangan pemercepat sekitar 72 MHz.

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“…It is difficult to analytically calculate the electric field and magnetic field distribution at any point in the cyclotron, but it can be done by numerical methods with the Opera 3D software and Tosca modules [8,9]. The values of electric field and magnetic field were imported from a map data created by using Opera-3D software and TOSCA modules that had been prepared in advance [10].…”

Section: Computing Electric and Magnetic Fieldsmentioning

confidence: 99%

Optimization of Ion Source Head Position in the Central Region of DECY-13 Cyclotron

Silakhuddin

Kudus

2017

Atom Indo.

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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.

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Beam tracking simulation in the central region of a 13 MeV PET cyclotron

Cited by 6 publications

References 0 publications

Evaluation of shimmed DECY-13 MeV Cyclotron Magnet Using H- Beam Tracking Simulation

Evaluation of shimmed DECY-13 MeV Cyclotron Magnet Using H- Beam Tracking Simulation

Simulasi Lintasan Berkas Ion Isotop Isotop Karbon Dalam Siklotron Decy-13

Optimization of Ion Source Head Position in the Central Region of DECY-13 Cyclotron

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