Electric dipole polarizability of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ni</mml:mi><mml:mprescripts/><mml:none/><mml:mn>58</mml:mn></mml:mmultiscripts></mml:math>

The electric dipole strength distribution in <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"><a:mmultiscripts><a:mi>Ni</a:mi><a:mprescripts/><a:none/><a:mn>58</a:mn></a:mmultiscripts></a:math> between 6 and 20 MeV has been determined from proton inelastic scattering experiments at very forward angles at RCNP, Osaka. The experimental data are rather well reproduced by quasiparticle random-phase approximation calculations including vibration coupling, despite a mild dependence on the adopted Skyrme interaction. They allow an estimate of the experimentally inaccessible high-energy contribution above 20 MeV, leading to an electric dipole polarizability <b:math xmlns:b="http://www.w3.org/1998/Math/MathML"><b:mrow><b:msub><b:mi>α</b:mi><b:mi mathvariant="normal">D</b:mi></b:msub><b:mrow><b:mo>(</b:mo><b:mmultiscripts><b:mi>Ni</b:mi><b:mprescripts/><b:none/><b:mn>58</b:mn></b:mmultiscripts><b:mo>)</b:mo></b:mrow><b:mo>=</b:mo><b:mn>3.48</b:mn><b:mrow><b:mo>(</b:mo><b:mn>31</b:mn><b:mo>)</b:mo></b:mrow><b:mspace width="4pt"/><b:msup><b:mrow><b:mi>fm</b:mi></b:mrow><b:mn>3</b:mn></b:msup></b:mrow></b:math>. This serves as a test case for recent extensions of coupled-cluster calculations with chiral effective field theory interactions to nuclei with two nucleons on top of a closed-shell system.

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Publication Details

Journal
Physical review. C
Published
2025-02-13
DOI
https://doi.org/10.1103/physrevc.111.024312
Citations
8
Primary Topic
Nuclear physics research studies
Type
article
Field-Weighted Citation Impact
14.96

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article

Electric dipole polarizability of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ni</mml:mi><mml:mprescripts/><mml:none/><mml:mn>58</mml:mn></mml:mmultiscripts></mml:math>

G. Colò, A. Richter, Francesca Bonaiti, X. Roca-Maza et al.
8 citations
Physical review. C
Nuclear physics research studies
14.96
article

Electric dipole polarizability of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ni</mml:mi><mml:mprescripts/><mml:none/><mml:mn>58</mml:mn></mml:mmultiscripts></mml:math>

G. Colò, A. Richter, Francesca Bonaiti, X. Roca-Maza, G. R. Jansen, P.‐G. Reinhard, A. Tamii, Sonia Bacca, P. von Neumann–Cosel, Zheng-Zheng Li, Hiroaki Matsubara, Isabelle Brandherm, Y. Niu
article en
8 citations

Abstract

The electric dipole strength distribution in <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"><a:mmultiscripts><a:mi>Ni</a:mi><a:mprescripts/><a:none/><a:mn>58</a:mn></a:mmultiscripts></a:math> between 6 and 20 MeV has been determined from proton inelastic scattering experiments at very forward angles at RCNP, Osaka. The experimental data are rather well reproduced by quasiparticle random-phase approximation calculations including vibration coupling, despite a mild dependence on the adopted Skyrme interaction. They allow an estimate of the experimentally inaccessible high-energy contribution above 20 MeV, leading to an electric dipole polarizability <b:math xmlns:b="http://www.w3.org/1998/Math/MathML"><b:mrow><b:msub><b:mi>α</b:mi><b:mi mathvariant="normal">D</b:mi></b:msub><b:mrow><b:mo>(</b:mo><b:mmultiscripts><b:mi>Ni</b:mi><b:mprescripts/><b:none/><b:mn>58</b:mn></b:mmultiscripts><b:mo>)</b:mo></b:mrow><b:mo>=</b:mo><b:mn>3.48</b:mn><b:mrow><b:mo>(</b:mo><b:mn>31</b:mn><b:mo>)</b:mo></b:mrow><b:mspace width="4pt"/><b:msup><b:mrow><b:mi>fm</b:mi></b:mrow><b:mn>3</b:mn></b:msup></b:mrow></b:math>. This serves as a test case for recent extensions of coupled-cluster calculations with chiral effective field theory interactions to nuclei with two nucleons on top of a closed-shell system.

Physical review. CVol. 111(2)
Oak Ridge National Laboratory (US), Fujita Health University (JP), University of Milan (IT), Johannes Gutenberg University Mainz (DE), Peking University (CN), Technische Universität Darmstadt (DE), Proteogenomics Research Institute for Systems Medicine (US), Istituto Nazionale di Fisica Nucleare, Sezione di Milano (IT), Facility for Rare Isotope Beams, State Key Laboratory of Nuclear Physics and Technology, Universitat de Barcelona (ES), Lanzhou University (CN), Michigan State University (US), The University of Osaka (JP)
U.S. Department of Energy, Deutsche Forschungsgemeinschaft, National Natural Science Foundation of China, Generalitat de Catalunya, Ministerio de Ciencia e Innovación, Office of Science, National Key Research and Development Program of China
Openalex Percentile: Top 1%
Nuclear physics research studies
14.96
DOIOpen Access PDFOpenAlex
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