21-25 June 2021
Clarion Congress Hotel Prague
Europe/Prague timezone
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Fragment production in 200MeV proton reaction on 232Th, experimental and simulated data.

Not scheduled
20m
3rd floor (Clarion Congress Hotel Prague)

3rd floor

Clarion Congress Hotel Prague

Freyova 945/33, 190 00 Prague 9 - Vysočany
Oral presentation 04 Research Reactors and Particle Accelerators

Speaker

HOLOMB, Robert (Brno University of Technology, Faculty of Electrical Engineering and Communication, Department of Electrical Power Engineering, Brno, Czech Republic, Uzhgorod National University)

Description

This paper shows the results from the experiment at Joint Institute for Nuclear Research in Dubna and was carried out in 2014. The sample, using a special device, were placed in the accelerator chamber at a radius corresponding to the energy of protons 200 MeV at the current of 0.3 A. The position of the 200 MeV beam was determined by placing an aluminium foil inside the accelerator and perpendicular to the proton beam and evaluating the activity of the foil. For the target, foils of Th232 were used with a thickness of 100 microns and a weight of 149.5 mg placed between two Al foils with thickness of 50mkm. The foil area was 1.5 cm2. After target irradiation, foils where removed from the device and moved to YSNAPP-2 complex where was separately measured the spectra of radiation from the Th and Al foils by HPGe detectors of the CANBERRA company with efficiency 18% and resolution of 1.9 keV in the line 1332 keV. The processing of the gamma spectra was carried out using the DEIMOS32 program to find positions of peaks, their areas and other parameters. The identification of the nuclei formed in Th232 samples as a result of nuclear reactions with protons and their reaction rates was carried out using a set of scripts based on the Ruby programming language. For modelling of the experiment MCNP 6.1 was used. The main purpose was to simulate creation of parent residual nuclei during proton irradiation, their distribution and escaping from the Th foil and calculate the cross-section of the residual nuclei. The experimental data on the fragmentation of the Th232 nucleus under the influence of protons in the energy of 200 MeV have been processed As a result we compared the calculated and simulated results, found residual nuclei and their cross-sections.

Primary author

HOLOMB, Robert (Brno University of Technology, Faculty of Electrical Engineering and Communication, Department of Electrical Power Engineering, Brno, Czech Republic, Uzhgorod National University)

Co-authors

HAYSAK, Ivan (Uzhgorod National University) Prof. KATOVSKY, Karel (Brno University of Technology, Faculty of Electrical Engineering and Communication, Department of Electrical Power Engineering, Brno, Czech Republic) ADAM, Jindrich (Institute of Nuclear Physics, Czech Academy of Sciences) VESPALEC, Radek (Institute of Nuclear Physics, Czech Academy of Sciences) VRZALOVA, Jitka (Institute of Nuclear Physics, Czech Academy of Sciences) Dr ZEMAN, Miroslav (Brno University of Technology, Faculty of Electrical Engineering and Communication, Department of Electrical Power Engineering, Brno, Czech Republic; Joint Institute for Nuclear Research, Dubna, Russian Federation) BRUDANIN, Viktor (Joint Institute for Nuclear Research, Dubna, Russia) ZAVORKA, Lukas (Joint Institute for Nuclear Research, Dubna, Russia) KARAIVANOV, Dimitar (Institute for Nuclear Research and Nuclear Energy, Sofia, Bulgaria) SOLNYSHKIN, Aleksandr (Joint Institute for Nuclear Research, Dubna, Russia) FILOSOFOV, Dmitry (4Joint Institute for Nuclear Research, Dubna, Russia) KHUSHVAKTOV, Jurabek (Joint Institute for Nuclear Research, Dubna, Russia) TSOUPKO-SITNIKOV, Vsevolod (4Joint Institute for Nuclear Research, Dubna, Russia)

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