Nuclear Physics and Atomic Energy


Nuclear Physics and Atomic Energy

  ISSN: 1818-331X (Print), 2074-0565 (Online)
  Publisher: Institute for Nuclear Research of the National Academy of Sciences of Ukraine
  Languages: Ukrainian, English, Russian
  Periodicity: 4 times per year

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Nucl. Phys. At. Energy 2015, volume 16, issue 1, pages 90-97.
Section: Engineering and Methods of Experiment.
Received: 11.02.2015; Accepted: 19.03.2015; Published online: 20.04.2015.
PDF Full Text (ua)
https://doi.org/10.15407/jnpae2015.01.090

Thickness measurement of the stripper foil using modified nuclear-analytical method

V. I. Soroka, V. V. Ostashko*, V. . Onischuk, . . Mozhzhukhin, M. V. Artsimovich, D. A. Kushpii, I. V. Posmitiukh, A. F. Sharov, A. A. Shevchuk

Institute for Nuclear Research, National Academy of Sciences of Ukraine, Kyiv, Ukraine

*Corresponding author. E-mail address: ostashko@kinr.kiev.ua.

Abstract: Thickness and thickness uniformity measurements of thick, self-supporting, carbon foil as stripper target in tandem accelerator have been performed. Non-destroying, nuclear-analytical method with accelerated to 3.5 MeV proton is used. The method was modified for achievement of higher accuracy and sensitivity and for the expansion of the scope of application. Introduction of monitor-interrupter as an additional element in the backscattering standard scheme changes the procedure of experimental data obtaining, and simplifies the calculations formula. Designs of the interrupter and the targets holder are described. Mean thickness of the stripper target was found to be 7.3⋅1017 toms/cm2 (~ 9.5 μg/m2). Such thickness for protons, in comparison with optimum one is too high. The thickness uniformity does not exceed the experiment error.

Keywords: tandem accelerator, carbon stripper target, foils thickness, backscattering spectrometry, modified method.

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