Detection of short lived radioisotopes as a fast diagnostic for intense laser-solid interactions

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Clarke, R. J. and Ledingham, K. W. D. and McKenna, P. and Robson, L. and McCanny, T. and Neely, D. and Lundh, O. and Lindau, F. and Wahlstrom, C. -G. and Simpson, P. T. and Zepf, M. (2006) Detection of short lived radioisotopes as a fast diagnostic for intense laser-solid interactions. Applied Physics Letters, 89 (14). p. 141117. ISSN 0003-6951 (https://doi.org/10.1063/1.2358940)

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Abstract

As a diagnostic of high-intensity laser interactions (> 10(19) W cm(-2)), the detection of radioactive isotopes is regularly used for the characterization of proton, neutron, ion, and photon beams. This involves sample removal from the interaction chamber and time consuming post shot analysis using NaI coincidence counting or Ge detectors. This letter describes the use of in situ detectors to measure laser-driven (p,n) reactions in Al-27 as an almost real-time diagnostic for proton acceleration. The produced Si-27 isotope decays with a 4.16 s half-life by the predominantly beta+ emission, producing a strong 511 keV annihilation peak.

ORCID iDs

Clarke, R. J., Ledingham, K. W. D., McKenna, P. ORCID logoORCID: https://orcid.org/0000-0001-8061-7091, Robson, L., McCanny, T., Neely, D., Lundh, O., Lindau, F., Wahlstrom, C. -G., Simpson, P. T. and Zepf, M.;
  • Item type:Article
    ID code:31220
    Dates:
    Date
    Event
    2 October 2006
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:13 Jul 2011 08:55
    Last modified:11 Nov 2024 09:45
    URI:https://strathprints.strath.ac.uk/id/eprint/31220
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