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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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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沈阳化工大学材料科学与工程学院沈阳 110142

A 70MHz Pulsing Beam System for Protons

Corresponding author:AN Shi-Zhong,

Received Date:2008-01-10
Accepted Date:1900-01-01
Available Online:2008-01-04

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.