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 2016, volume 17, issue 2, pages 122-129.
Section: Nuclear Physics.
Received: 18.05.2016; Accepted: 29.06.2016; Published online: 10.08.2016.
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https://doi.org/

Prompt gamma-rays from fast neutron capture in natNi

I. M. Kadenko1, V. A. Plujko1,*, B. M. Bondar1,2, O. M. Gorbachenko1, B. Yu. Leshchenko1,3,
K. M. Solodovnyk1


1 Nuclear Physics Department, Taras Shevchenko National University, Kyiv, Ukraine
2 All-Ukrainian Center for Radiosurgery of the Clinical Hospital Feofania, Kyiv, Ukraine
3 National Technical University of Ukraine Kyiv Polytechnic Institute, Kyiv, Ukraine


*Corresponding author. E-mail address: plujko@gmail.com

Abstract: The yield of prompt γ-rays produced by interaction of 14 MeV neutrons with natNi was measured using the time-of-flight technique. A differential cross section from (n, xγ) reactions was unfolded from amplitude spectrum. Experimental results were compared with theoretical calculations performed using EMPIRE 3.2 and TALYS 1.6 codes. The effect of average characteristics of nuclear excited states on calculated gamma ray spectrum was studied.

Keywords: fast neutrons, time-of-flight method, gamma-ray spectrum, Hauser - Feshbach model, photon strength function, nuclear level density.

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