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ANALYSIS OF INELASTIC SCATTERING OF POLARISED PROTONS ON 54,56Fe NUCLEI
- Authors: Kudriashov V.I.1, Onegin M.S.2
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Affiliations:
- JSK “Komita”
- NRC “Kurchatov Institute” — PNPI
- Issue: Vol 87, No 6 (2024)
- Pages: 486-499
- Section: ЯДРА. Теория
- URL: https://journals.rcsi.science/0044-0027/article/view/281910
- DOI: https://doi.org/10.31857/S0044002724060051
- EDN: https://elibrary.ru/HPCRBC
- ID: 281910
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Abstract
The paper analyzes the results of experiments on inelastic scattering of polarized protons on 54.56Fe nuclei. The work presents for the first time differential cross sections and analyzing power for levels 21+, 22+, 41+, 42+ for the scattering of protons with energy of 16 MeV. Published experimental data for the same levels, but for proton energies of 18.6 and 400 MeV are also analyzed. Calculations of inelastic scattering observables were performed using the coupled channel method for proton energy 16 and 18.6 MeV and the distorted wave method for proton energy of 400 MeV. The predictions of two collective models of excited states of the nucleus were compared: the asymmetric rotator model and the multiphonon vibrational model. In addition, the wave functions of excited states calculated using the shell model were tested.
About the authors
V. I. Kudriashov
JSK “Komita”Saint-Petersburg, Russia
M. S. Onegin
NRC “Kurchatov Institute” — PNPI
Email: onegin@pnpi.nrcki.ru
Gatchina, Russia
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