A 70MHz Pulsing Beam System for Protons

AN Shi-Zhong; ZHANG Tian-Jue; WU Long-Cheng; L&Uuml; Yin-Long; SONG Guo-Fang; GUAN Feng-Ping; JIA Xian-Lu; WEI Su-Min

Chinese Physics C> 2008, Vol. 32> Issue(S1) : 157-159

A 70MHz Pulsing Beam System for Protons

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Abstract：
A test beam line for pulsed beam generation for 10 MeV central region model (CRM) of a compact cyclotron is under construction at China Institute of Atomic Energy (CIAE). A 70MHz continuous H^－ beam with the energy of dosens of keV or a hundred keV will be pulsed to a pulse length of less than 10ns with the repetition rate of 1—8MHz. A 70.487MHz buncher will be used to compress the DC beam into the RF phase acceptance of ±30° of the CRM cyclotron. The 2.2MHz sine waveform will be used for the chopper. A pulse with the repetition rate of 4.4MHz and pulse length less than 10ns is expected after CRM cyclotron.

References

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. L Jian-Qin, QUAN Sheng-Wen. Atomic Energy Science and Technolgy, 1995, 29 (in Chinese)(吕建钦, 全胜文. 原子能科学技术, 1995, 29)2. Crandall K R, Rusthoi D P. TRACE 3-D Documentation, LA-UR-97-886, May 193. BROWN K L. Beam Envelope Matching for Beam Guidance Systems. NIM, 1981, 187: 51-654. Belmont J, Joho W. Chopping and Bunching on the TRI-UMF 300keV Injection Line, TRI-DN-73-16, May 1973

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AN Shi-Zhong, ZHANG Tian-Jue, WU Long-Cheng, LÜ Yin-Long, SONG Guo-Fang, GUAN Feng-Ping, JIA Xian-Lu and WEI Su-Min. A 70MHz Pulsing Beam System for Protons[J]. Chinese Physics C, 2008, 32(S1): 157-159.

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Received: 2008-01-10
Revised: 1900-01-01

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