Isomer ratios for products of photonuclear reactions on Rh

Over the past several years various preequilibrium models for nuclear reaction mechanisms description were developed. Diversified detailed experimental data in the medium excitation energy region for nuclei are needed for reasonable selection among these theoretical models. Lack of experimental data...

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Bibliographic Details
Published in:EPJ Web of conferences 2020, Vol.239, p.1026
Main Authors: Bezshyyko, Oleg, Vodin, Oleksandr, Golinka, Larisa-Bezshyyko, Kadenko, Ihor, Kotenko, Andrii, Kushnir, Volodymyr, Mitrochenko, Viktor, Olejnik, Stanislav, Perezhogin, Sergey, Povar, Tetiana
Format: Article
Language:English
Subjects:
Antimony
Bremsstrahlung
Electron beams
Energy resolution
Nuclear reactions
Photonuclear reactions
Projectiles
Reaction mechanisms
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Summary:Over the past several years various preequilibrium models for nuclear reaction mechanisms description were developed. Diversified detailed experimental data in the medium excitation energy region for nuclei are needed for reasonable selection among these theoretical models. Lack of experimental data in this energy region does essentially limit the possibilities for analysis and comparison of different preequilibrium theoretical models. For photonuclear reactions this energy range covers 30-100 MeV. Experimental measurements and estimations of isomer ratios for products of photonuclear reactions with multiple particle escape on antimony were performed using bremsstrahlung spectrum as projectile with end-point energies 74,9 and 85,7 MeV. Method of the induced activity measurement was applied. For acquisition of gamma spectra we used HPGe spectrometer with 20% relative efficiency. Linear accelerator of electrons LU-40 was a source of bremsstrahlung. Energy resolution of electron beam was about 1% and a mean electron current varied within (3.8 - 5.3) μ A.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/202023901026