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MOP14 |
Study of the Beam Extraction from Superconducting Cyclotron SC200 |
87 |
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- K.Z. Ding, Y.F. Bi, G. Chen, Y. Chen, Sh. Du, H. Feng, J. Ge, J. Li, Y. Song, Y.H. Xie, J. Zheng
ASIPP, Hefei, People's Republic of China
- O. Karamyshev, G.A. Karamysheva, N.A. Morozov, E.V. Samsonov, G. Shirkov
JINR, Dubna, Moscow Region, Russia
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According to the agreement between the Institute of Plasma Physics (ASIPP) of the Chinese Academy of Sciences in Hefei, China, and Joint Institute for Nuclear Research (JINR), Dubna, Russia, the project of superconducting isochronous cyclotron for proton therapy SC200 is under development at JINR. The cyclotron will provide acceleration of protons up to 200 MeV with maximum beam current ~1 μA. Extraction system of the beam consists of electrostatic deflector and two passive magnetic channels. Electric field strength in deflector does not exceed 170 kV/cm, gradients of magnetic field in channels are in range 2-4 kG/cm.The first of the channels focusing the beam in horizontal plane is subdivided into four parts. Geometry and magnetic field of two and three bars sub channelsare described. Results of the beam tracking inside extraction system are presented. Efficiency of the beam extraction was estimated for different amplitudes of the betatron oscillations in accelerated beam.
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THC03 |
Compact Superconducting Cyclotron SC200 for Proton Therapy |
371 |
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- G.A. Karamysheva, S. Gurskiy, O. Karamyshev, N.A. Morozov, E.V. Samsonov, G. Shirkov, S.G. Shirkov, G.V. Trubnikov
JINR, Dubna, Moscow Region, Russia
- Y.F. Bi, G. Chen, Y. Chen, K.Z. Ding, H. Feng, J. Li, Y. Song, Y.H. Xie, Q. Yang, J. Zheng
ASIPP, Hefei, People's Republic of China
- D.V. Popov
JINR/DLNP, Dubna, Moscow region, Russia
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Superconducting cyclotron SC200 will provide acceleration of protons up to 200 MeV with maximum beam current of 1 μA. We plan to manufacture in China two cyclotrons: one will operate in Hefei cyclotron medical center the other will replace Phasotron in Medico-technical Center JINR Dubna and will be used for cancer therapy by protons. Now we present results of simulation of magnetic, acceleratiion and extraction systems.
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Slides THC03 [2.798 MB]
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