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Characterisation of thin solid Xe targets

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Abstract

A series of frozen xenon targets of thicknesses ranging between 1 and 15 mg/cm2 were characterised by elastic backscattering technique using a 3 MeV proton beam. Xenon was kept solid on a gold substrate having a thickness of 1 g/cm2 which was mounted on a cold copper finger. The temperature of targets during the experiment was maintained at 55 K by a compact solid nitrogen sublimation system under pressure of 10−5 mbar. Targets were used in series of experiments for populating samarium and gadolinium isotopes in the 136Xe (18O, Xn) and 136Xe (22Ne, Xn) nuclear reactions.

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Acknowledgments

One of the authors, P. P., would like to acknowledge Y. Hietter (Canberra, France), P. Paulsen and F. Gonglach (iThemba LABS) for excellent technical support and T. Doyle for invaluable discussions. This work was financially supported by the National Research Foundation (NRF).

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Authors and Affiliations

  1. iThemba LABS, P.O. Box 722, Somerset West, 7129, South Africa

    N. Y. Kheswa, C. Pineda-Vargas, W. J. Przybylowicz & G. F. Steyn

  2. Department of Physics, University of Stellenbosch, Private Bag X1, Matieland, 7602, South Africa

    P. Papka

  3. Faculty of Health and Wellness Sciences, CPUT, PO Box 1906, Bellville, 7535, South Africa

    C. Pineda-Vargas

  4. Faculty of Physics and Applied Computer Science, AGH University of Science and Technology, Al. A. Mickiewicza 30, 03-059, Kraków, Poland

    W. J. Przybylowicz

  5. Department of Physics, University of Western Cape, Private Bag X17, Bellville, 7535, South Africa

    T. E. Madiba & J. F. Sharpey-Shafer

Authors
  1. N. Y. Kheswa
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  2. P. Papka
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  3. C. Pineda-Vargas
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  4. W. J. Przybylowicz
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  5. G. F. Steyn
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  6. T. E. Madiba
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  7. J. F. Sharpey-Shafer
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Correspondence to N. Y. Kheswa.

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Kheswa, N.Y., Papka, P., Pineda-Vargas, C. et al. Characterisation of thin solid Xe targets. J Radioanal Nucl Chem 299, 1067–1072 (2014). https://doi.org/10.1007/s10967-013-2622-8

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  • DOI: https://doi.org/10.1007/s10967-013-2622-8

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