| Paper |
Title |
Page |
| THPVA086 |
Beam Dynamics Studies of an Accelerating Tube for 6 MeV Electron LINAC |
4657 |
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- S. Zarei
Nuclear Science and Technology Research, InstituteRadiation Application School, Tehran, Iran
- F. Abbasi
Shahid Beheshti University, Tehran, Iran
- S. Ahmadiannamin
ILSF, Tehran, Iran
- F. Ghasemi
NSTRI, Tehran, Iran
- M. Lamehi
IPM, Tehran, Iran
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Side coupled standing wave accelerating tubes are widely used in a low energy linear accelerator because of relatively high accelerating gradient and low sensitivity to construction tolerances. The effective interaction of particles and electromagnetic fields is important for accelerate electrons to intended energy with the greatest efficiency and beam quality output. In this paper, we present the beam dynamics of a 6 MeV Side coupled standing wave accelerating tube using a space charge tracking algorithm (ASTRA). The designed accelerating tube that feeds by a maximum power of 2.6 MW resonant at frequency of 2998.5 MHz in pi/2 mode. 37.5 percent capture efficiency, 6.82 pi-mm-mrad horizontal emittance, 6.78 pi-mm-mrad vertical emittance, 2.24 mm horizontal and vertical beam size and 1079 keV energy spread of the output beam have been determined from the results of beam dynamics studies in ASTRA
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-THPVA086
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| THPVA087 |
Thermal and Mechanical Analysis of 3 GHz Side Coupled RF Cavity for Medical Linacs |
4660 |
| |
- M. Mohseni Kejani, F. Abbasi
Shahid Beheshti University, Tehran, Iran
- S. Ahmadiannamin
ILSF, Tehran, Iran
- F. Ghasemi
NSTRI, Tehran, Iran
- S. Zarei
Nuclear Science and Technology Research, InstituteRadiation Application School, Tehran, Iran
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Medical linear accelerators have wide applications for cancer treatment in the world. Side coupled RF cavities was used in this accelerators for production of X-ray in range of energies between 4 to 25 MeV. Usually, the RF source is magnetron with lower cost in comparison to klystron in this type of applications. Side coupled cavity is a biperiodic structure with sensitive performance to operational thermal and mechanical conditions. In this paper, thermal and mechanical simulations for a period of the structure are presented.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-THPVA087
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| THPVA088 |
DESIGN AND CONSTRUCTION OF BRAZED SIDE COUPLED CAVITY OF MEDICAL ACCELERATOR |
4664 |
| |
- S. Ahmadiannamin, Kh.S. Sarhadi
ILSF, Tehran, Iran
- F. Abbasi, M. Mohseni Kejani
Shahid Beheshti University, Tehran, Iran
- M. Bahrami, M. Lamehi
IPM, Tehran, Iran
- F. Ghasemi
NSTRI, Tehran, Iran
- S. Zarei
Nuclear Science and Technology Research, InstituteRadiation Application School, Tehran, Iran
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Two types of standing wave RF cavities are used routinely in construction of medical linear accelerators. These two types are Side coupled and on-axis coupled standing wave cavities. This selection is based on higher shunt impedance and compactness in comparison to travelling wave RF cavities. In this paper, we present the simulation, construction and measurement results of brazed section of 3 GHz side coupled RF cavity. It is the first successful experience of its kind in Iran. The obtained experiences can be used effectively for construction of side coupled thermionic RF guns and RF cavities of medical or industrial linacs.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2017-THPVA088
|
|
| Export • |
reference for this paper using
※ BibTeX,
※ LaTeX,
※ Text/Word,
※ RIS,
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