Analysis of Angular Distribution and Photon Yield from Bremsstrahlung Targets

GUO Bing-Qi; LI Quan-Feng; DU Tai-Bin; CHENG Cheng

Chinese Physics C> 2005, Vol. 29> Issue(12) : 1190-1195

Analysis of Angular Distribution and Photon Yield from Bremsstrahlung Targets

Department of Engineering Physics,Tsinghua University,Beijing 100084,China

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Abstract：
Effects of electron beam parameters, including energy, radius and emittance, as well as target parameters, on bremsstrahlung exposure are discussed in this paper.With the energy of incident electrons varying from 2MeV to 50MeV, the forward yields at a distance of one meter from different targets, such as tungsten, copper, tantalum and aurum, are calculated by both analytical formula and MCNP4 Monte Carlo code. In addition, the relationship of X-ray dose to target and electron parameters is analyzed. The results agree well with published experimental and theoretical data,and may be a good reference for the design of this kind of X-ray source.

References

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. LI Quan-Feng, WU Ying-Ying, HUANG Wei-Ling. J. Ts-inghua Univ(SciTech), 2004, 44(3): 304—306(in Chinese)(李泉风，吴莹英，黄蔚玲.清华大学学报，2004, 44(3): 304-306)2. Nordell B, Brahme A. Phys. Med. Biol., 1984, 29(7): 797—8103. SHI Jiang-Jun, QIAN Min-Quan. High Power Laser and Particle Beams, 1992, 4(1): 119—126(in Chinese)(施将君，钱民权.强激光与粒子束，1992, 4(1): 119-126)

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GUO Bing-Qi, LI Quan-Feng, DU Tai-Bin and CHENG Cheng. Analysis of Angular Distribution and Photon Yield from Bremsstrahlung Targets[J]. Chinese Physics C, 2005, 29(12): 1190-1195.

GUO Bing-Qi, LI Quan-Feng, DU Tai-Bin and CHENG Cheng. Analysis of Angular Distribution and Photon Yield from Bremsstrahlung Targets[J]. Chinese Physics C, 2005, 29(12): 1190-1195. shu

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Received: 2005-03-09
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

Analysis of Angular Distribution and Photon Yield from Bremsstrahlung Targets

Corresponding author: GUO Bing-Qi,

Department of Engineering Physics,Tsinghua University,Beijing 100084,China

Received Date: 2005-03-09
Accepted Date: 1900-01-01
Available Online: 2005-12-05

Abstract: Effects of electron beam parameters, including energy, radius and emittance, as well as target parameters, on bremsstrahlung exposure are discussed in this paper.With the energy of incident electrons varying from 2MeV to 50MeV, the forward yields at a distance of one meter from different targets, such as tungsten, copper, tantalum and aurum, are calculated by both analytical formula and MCNP4 Monte Carlo code. In addition, the relationship of X-ray dose to target and electron parameters is analyzed. The results agree well with published experimental and theoretical data,and may be a good reference for the design of this kind of X-ray source.