Measurement of areal density and its uncertainty in high-energy proton radiography

xu hai-bo

Volume 18 Issue 03

Mar. 2006

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Article Navigation > High Power Laser and Particle Beams > 2006 > 18(03): 0-

wang kun-peng, zhang jian-xiu, fang chang-shui, et al. First-principle studies of the effects of K vacancy in KDP crystals upon laser-induced damage[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

xu hai-bo. Measurement of areal density and its uncertainty in high-energy proton radiography[J]. High Power Laser and Particle Beams, 2006, 18.

wang kun-peng, zhang jian-xiu, fang chang-shui, et al. First-principle studies of the effects of K vacancy in KDP crystals upon laser-induced damage[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

xu hai-bo. Measurement of areal density and its uncertainty in high-energy proton radiography[J]. High Power Laser and Particle Beams, 2006, 18.

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Measurement of areal density and its uncertainty in high-energy proton radiography

xu hai-bo

1.
Institute of Applied Physics and Computational Mathematics,P.O.Box 8009,Beijing 100088,China

Publish Date: 2006-03-15

Abstract

Abstract

According to proton radiography concepts of the Los Alamos National Laboratory, the expressions of areal density in high-energy proton radiography are obtained by studying the high-energy protons interactions with materials. The areal density uncertainty and the position resolution are analyzed. Compared with high-energy X-ray radiography, the detection of edges and density reconstruction for a thick object are more accurate as the transmitted flux of protons is increased. The effects of the multiple coulomb scattering and chromatic aberrations in the magnetic lenses on the spatial resolution are studied. It is shown that high-energy proton radiography is superior to high-energy X-ray radiography in penetrating power, areal density measurement, material composition identification and posit
- proton radiography,
- areal density,
- coulomb scattering,
- mean free path,
- angle collimator

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