Effects of the Space Charge Forces and the Beam Halo in a Cyclotron

OUYANG Hua-Fu

Chinese Physics C> 2001, Vol. 25> Issue(7) : 674-679

Effects of the Space Charge Forces and the Beam Halo in a Cyclotron

OUYANG Hua-Fu ^,

Institute of High Energy Physics, CAS, Beijing 100039, China

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Abstract：
With the space charge forces considered, simulations of the evolution of the beam bunch in the K70 AVF cyclotron, which is an injector of the K540 RIKEN Ring Cyclotron (RRC), are carried out. The result shows that the deformation of the bunch and the formation of beam halo also take place in a cyclotron. But the mechanism of the formation of the beam halo in a cyclotron is different from that in a linear accelerator.

References

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. Prome M.Proc.of the XVIII Int.Linear Accel.Conf.,26– 30 August,1996,Geneva,Switerland,CERN 96–07,9 2. Reiser M .IEEE Trans.,1966,NS–13:1713. Reiser M .Theory and Designe of Charged Particle Beams ,John Wiley Sons,INC.,19944. Gordon M M .Proc .5th Int.Conf.on cyclotrons and their Application,Oxford,1969,3055. Adam S.IEEE Trans .Nucl.Sci.,1985,32,2507 6. AdamS.Proc.14th Int.Conf.on Cyclotrons and their Application ,CapeTown ,1995,466 7. Hagedoorn H L,Verster N F.Nucl.Instr.and Meth.,1962,18:201 8. Kleeven W J G M ,Hagedoorn H L ,Batygin Y K .Particle Accelerators,1989,24:1879. OUYANG Hua-Fu.High Energy Phys.and Nucl.Phys.2001,25(6):561(in Chinese)(欧阳华甫.高能物理与核物理,2001,25(6) :561)10. Yano Y et al.Proc .14th Int.Conf.on Cyclotrons and Their Applications,Cape Town,1995,590 11. Goto A etal.Proc.12th Int.Conf.on Cyclotrons and Their Applications,1989,439

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OUYANG Hua-Fu. Effects of the Space Charge Forces and the Beam Halo in a Cyclotron[J]. Chinese Physics C, 2001, 25(7): 674-679.

OUYANG Hua-Fu. Effects of the Space Charge Forces and the Beam Halo in a Cyclotron[J]. Chinese Physics C, 2001, 25(7): 674-679. shu

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Received: 2000-05-30
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Effects of the Space Charge Forces and the Beam Halo in a Cyclotron

OUYANG Hua-Fu ^,

Corresponding author: OUYANG Hua-Fu,

Institute of High Energy Physics, CAS, Beijing 100039, China

Received Date: 2000-05-30
Accepted Date: 1900-01-01
Available Online: 2001-07-05

Abstract: With the space charge forces considered, simulations of the evolution of the beam bunch in the K70 AVF cyclotron, which is an injector of the K540 RIKEN Ring Cyclotron (RRC), are carried out. The result shows that the deformation of the bunch and the formation of beam halo also take place in a cyclotron. But the mechanism of the formation of the beam halo in a cyclotron is different from that in a linear accelerator.