The distribution of the ionization pulse amplitudes in ionization fission chamber due to the fission fragments spread in terms of their charge, mass, and energy

Authors

  • Le Thi Dieu Hien Belarusian State University, Niezaliežnasci Avenue, 4, 220030, Minsk, Belarus
  • Arkady A. Khrutchinsky Research Institute for Nuclear Problems, Belarusian State University, Babrujskaja Street, 11, 220030, Minsk, Belarus
  • Siamion A. Kuten Research Institute for Nuclear Problems, Belarusian State University, Babrujskaja Street, 11, 220030, Minsk, Belarus

Keywords:

fission chamber, pulse mode, amplitude distribution, trajectory, fission fragments

Abstract

In the present paper, the distribution of the ionization pulse amplitudes in a fission chamber (FC) due to the spread of fission fragments in terms of their charge, mass and energy is considered for different neutron flux spectra. The estimates are implemented by means of the programs: (i) GEF describing the nuclear fission processes and (ii) SRIM used to calculate the energy losses of ions in the matter. The obtained results demonstrate that the empirical distribution function of ionization pulse amplitudes has two maxima, being practically independent of the types of a neutron flux spectrum. This result allows us to conclude that neutrons with different spectra may be used to calibrate a pulsed mode FC. This should greatly simplify the calibration process for such cameras.

Author Biographies

  • Le Thi Dieu Hien, Belarusian State University, Niezaliežnasci Avenue, 4, 220030, Minsk, Belarus

    postgraduate student at the department of nuclear physics, faculty of physics

  • Arkady A. Khrutchinsky, Research Institute for Nuclear Problems, Belarusian State University, Babrujskaja Street, 11, 220030, Minsk, Belarus

    PhD (physics and mathematics); leading researcher at the laboratory of theoretical physics and modeling of nuclear problems

  • Siamion A. Kuten, Research Institute for Nuclear Problems, Belarusian State University, Babrujskaja Street, 11, 220030, Minsk, Belarus

    PhD (physics and mathematics); head of the laboratory of theoretical physics and modeling of nuclear problems

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Published

2017-09-29

Issue

No. 3 (2017): Journal of the Belarusian State University. Physics

Section

Atomic Nucleus and Elementary Particle Physics

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How to Cite

(1)
Hien, L. T. D.; Khrutchinsky, A. A.; Kuten, S. A. The Distribution of the Ionization Pulse Amplitudes in Ionization Fission Chamber Due to the Fission Fragments Spread in Terms of Their Charge, Mass, and Energy. Журнал Белорусского государственного университета. Физика 2017, No. 3, 50-56.