A tuneable ultra-compact high-power, ultra-short pulsed, bright gamma-ray source based on bremsstrahlung radiation from laser-plasma accelerated electrons

被引：46

作者：

Cipiccia, S. ^{[1
]}

Wiggins, S. M. ^{[1
]}

Shanks, R. P. ^{[1
]}

Islam, M. R. ^{[1
]}

Vieux, G. ^{[1
]}

Issac, R. C. ^{[1
]}

Brunetti, E. ^{[1
]}

Ersfeld, B. ^{[1
]}

Welsh, G. H. ^{[1
]}

Anania, M. P. ^{[1
]}

Maneuski, D. ^{[2
]}

Lemos, N. R. C. ^{[3
]}

Bendoyro, R. A. ^{[3
]}

Rajeev, P. P. ^{[4
]}

Foster, P. ^{[4
]}

Bourgeois, N. ^{[5
]}

Ibbotson, T. P. A. ^{[5
]}

Walker, P. A. ^{[5
]}

Shea, V. O. ^{[2
]}

Dias, J. M. ^{[3
]}

Jaroszynski, D. A. ^{[1
]}

机构：

[1] Univ Strathclyde, Scottish Univ Phys Alliance, Dept Phys, Glasgow G4 0NG, Lanark, Scotland

[2] Univ Glasgow, Dept Phys & Astron, Scottish Univ Phys Alliance, Glasgow G12 8QQ, Lanark, Scotland

[3] Inst Super Tecn, GoLP Inst Plasmas & Fusao Nucl, P-1049001 Lisbon, Portugal

[4] Rutherford Appleton Lab, Sci & Technol Facil Council, Cent Laser Facil, Didcot OX11 0QX, Oxon, England

[5] Univ Oxford, Clarendon Lab, Oxford OX1 3PU, England

来源：

JOURNAL OF APPLIED PHYSICS | 2012年 / 111卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

WAKEFIELD ACCELERATOR; X-RAYS; BEAMS; FISSION; DRIVEN;

D O I：

10.1063/1.3693537

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The laser driven plasma wakefield accelerator is a very compact source of high energy electrons. When the quasi-monoenergetic beam from these accelerators passes through dense material, high energy bremsstrahlung photons are emitted in a collimated beam with high flux. We show how a source based on this emission process can produce more than 10(9) photons per pulse with a mean energy of 10 MeV. We present experimental results that show the feasibility of this method of producing high energy photons and compare the experimental results with GEANT4 Montecarlo simulations, which also give the scaling required to evaluate its suitability as method to produce radioisotopes via photo-nuclear reactions or for imaging applications. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3693537]

引用

页数：8

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