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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2023, Volume 118, Issue 3, Pages 147–153
DOI: https://doi.org/10.31857/S1234567823150016 (Mi jetpl6999) 		 
This article is cited in 5 scientific papers (total in 5 papers)

FIELDS, PARTICLES, AND NUCLEI

Sizes of the neutronâ–proton halo in nucleon-stable states of the $^6$Li nucleus

D. M. Rodkinab, Yu. M. Chuvil'skiib

a Dukhov All-Russia Research Institute of Automatics, Moscow, 127055 Russia
b Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119991 Russia
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DOI: https://doi.org/10.31857/S1234567823150016
Abstract: The matter, neutron, and proton radii of nucleon-stable 1$^+$ and 0$^+$ states of the $^6$Li nucleus are studied theoretically within the no-core shell model. The results have been comparatively analyzed with the radii of the 0$^+$ state of the 6He nucleus. To increase the accuracy of calculations, we have developed an extrapolation procedure. A new definition of the quantitative measure has been proposed and justified to describe the properties of a halo formed by loosely bound neutrons and protons in the $A$-nucleon problem. The sizes of the halo in the indicated states of $^6$Li have been calculated for the first time. It has been demonstrated that the sizes of their halos are close to those of the two-neutron halo in $^6$He. Thus, additional reliable evidence of the existence of the neutron–proton halo in the discussed states of $^6$Li has been obtained.
Funding agency Grant number
Russian Science Foundation 22-22-00096
Foundation for the Development of Theoretical Physics and Mathematics BASIS 21-1-1-67-4
This work was supported by the Russian Science Foundation (project no. 22-22-00096, https://rscf.ru/project/22-22-00096/) and by the Foundation for the Advancement of Theoretical Physics and Mathematics BASIS (project no. 21-1-1-67-4, https://basis-foundation.ru).
Received: 03.05.2023
Revised: 23.06.2023
Accepted: 30.06.2023
English version:
Journal of Experimental and Theoretical Physics Letters, 2023, Volume 118, Issue 3, Pages 153–159
DOI: https://doi.org/10.1134/S0021364023602130
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: D. M. Rodkin, Yu. M. Chuvil'skii, “Sizes of the neutronâ–proton halo in nucleon-stable states of the $^6$Li nucleus”, Pis'ma v Zh. Èksper. Teoret. Fiz., 118:3 (2023), 147–153; JETP Letters, 118:3 (2023), 153–159
Citation in format AMSBIB
\Bibitem{RodChu23}
\by D.~M.~Rodkin, Yu.~M.~Chuvil'skii
\paper Sizes of the neutronâ--proton halo in nucleon-stable states of the $^6$Li nucleus
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2023
\vol 118
\issue 3
\pages 147--153
\mathnet{http://mi.mathnet.ru/jetpl6999}
\crossref{https://doi.org/10.31857/S1234567823150016}
\edn{https://elibrary.ru/hvyizx}
\transl
\jour JETP Letters
\yr 2023
\vol 118
\issue 3
\pages 153--159
\crossref{https://doi.org/10.1134/S0021364023602130}
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