Matching Design Method for High Intensity RFQ Accelerators

YANG Xue-Qing; FANG Jia-Xun; GUO Zhi-Yu; CHEN Jia-Rong

Chinese Physics C> 2006, Vol. 30> Issue(S1) : 19-21

Matching Design Method for High Intensity RFQ Accelerators

Institute of Heavy Ion Physics. Peking University, Beijing 100871, China

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Abstract：
As the beam envelope mismatch is the major source of the halo formation and the related emittance growth in high intensity linac, some extensions based on the four-step method are developed, and the causes of beam mismatch in RFQ are analyzed and a matching dynamics method is proposed to minimize the emittance growth and the related beam loss. A dynamics example is given to prove this design method.

References

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. Crandall K R, Stokes R H et al. RF Quadrupole Beam Dy-namics Design Studies, Proc. 1979 Linear Accelerator Conf.BNL-51134, 2052. Yamada S. Buncher Section Optimization of Heavy IonRFQ Linac Proc.1981, Linear Accelerator Conf.3. Schempp A. Proc. of EPAC88, 1989, 4644. Schempp A. Proc. of PAC89, IEEE89, CH2669-0, 1989,10935. Reiser M. Theory and Design of Charged Particle Beams,Wiley (1994)6. Crandall K R et al. RFQ Design Codes, Los Alamos Na-tional Laboratory Report LA-UR-96-1836 (revised Febru-ary 12, 1997)7. Jameson R A. IEEE Trans. Nucl. Sci., 1981, NS-28: 24088. Jameson R A. On Scaling Optimization of High Inter-sity, Low Beam-Loss RF Linacs for Neutron Source Drivers,AIP Conf. Prof. 279 1992. 9699. Gluckstern R L. Phys. Rev. Lett., 1994, 73(9): 124710. Allen C K et al. Physical Review Letters, 2002, 89(21):4082

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YANG Xue-Qing, FANG Jia-Xun, GUO Zhi-Yu and CHEN Jia-Rong. Matching Design Method for High Intensity RFQ Accelerators[J]. Chinese Physics C, 2006, 30(S1): 19-21.

YANG Xue-Qing, FANG Jia-Xun, GUO Zhi-Yu and CHEN Jia-Rong. Matching Design Method for High Intensity RFQ Accelerators[J]. Chinese Physics C, 2006, 30(S1): 19-21. shu

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Received: 2005-12-06
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

Matching Design Method for High Intensity RFQ Accelerators

Corresponding author: YANG Xue-Qing,

Institute of Heavy Ion Physics. Peking University, Beijing 100871, China

Received Date: 2005-12-06
Accepted Date: 1900-01-01
Available Online: 2006-01-04

Abstract: As the beam envelope mismatch is the major source of the halo formation and the related emittance growth in high intensity linac, some extensions based on the four-step method are developed, and the causes of beam mismatch in RFQ are analyzed and a matching dynamics method is proposed to minimize the emittance growth and the related beam loss. A dynamics example is given to prove this design method.