Measurements and analysis of 178m2Hf production cross sections under natTa and natW irradiation by protons with 0.04–2.6 GeV energies
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TITARENKO, Yu., PAVLOV, Kirill, TITARENKO, Aleksey, CHAUZOVA, M., ZHIVUN, Valery, IGNATYUK, Anatoly, MASHNIK, Stepan, STANKOVSKY, Alexey, CHIGRINOV, Sergey, GUDIMA, Konstantin K.. Measurements and analysis of 178m2Hf production cross sections under natTa and natW irradiation by protons with 0.04–2.6 GeV energies. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2018, nr. 880, pp. 6-14. ISSN 0168-9002. DOI: https://doi.org/10.1016/j.nima.2017.10.049
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Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Numărul 880 / 2018 / ISSN 0168-9002

Measurements and analysis of 178m2Hf production cross sections under natTa and natW irradiation by protons with 0.04–2.6 GeV energies

DOI: https://doi.org/10.1016/j.nima.2017.10.049

Pag. 6-14

Titarenko Yu.1, Pavlov Kirill1, Titarenko Aleksey2, Chauzova M.1, Zhivun Valery3, Ignatyuk Anatoly4, Mashnik Stepan5, Stankovsky Alexey6, Chigrinov Sergey7, Gudima Konstantin K.7
 
1 National Research Centre "Kurchatov Institute", Moscow,
2 Necunoscută, Rusia,
3 National Research Nuclear University MEPhI, Moscow,
4 Institute of Physics and Power Engineering, Obninsk,
5 Los Alamos National Laboratory,
6 Belgian Nuclear Research Center,
7 Institute of Applied Physics, Academy of Sciences of Moldova
 
Disponibil în IBN: 24 februarie 2018


Rezumat

This paper presents the results of experimental determination and computational simulation of the independent cross sections of 178m2Hf production in natTa and natW thin targets irradiated by mono-energetic proton beams in the energy range from ∼0.04 up to 2.6 GeV. The cross sections were determined using the γ-spectrometry technique without chemical separation of irradiated samples. The obtained experimental results were compared with the results of simulations based on the modified CEM03.03-ext intranuclear cascade model, which allows to analyze both the cross sections of residual nuclei production and the probabilities of long-lived isomeric states formation. Verification of the isomeric yield calculation model was demonstrated based on experimental data on high-spin isomer production cross sections in 208Pb target irradiated by protons.

Cuvinte-cheie
Cross section, Spallation,

Nuclear model, Proton beam