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Detailed theoretical study of the decay properties of states in the He7 nucleus within an ab initio approach

Publikováno v: Physical Review C. 104

The energies and decay widths of the states of the exotic $^{7}\mathrm{He}$ nucleus are studied in an ab initio approach. The spectrum of these states is calculated using the no-core shell model (NCSM) and a corresponding extrapolation procedure. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ac711f75d657339062fb5e5d5228a53
https://doi.org/10.1103/physrevc.104.044323

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Asymptotic Characteristics of Cluster Channels within an Ab Initio Approach

Autor: Yu. M. Tchuvil’sky, D. M. Rodkin

Publikováno v: JETP Letters. 109:425-431

An approach has been developed to calculate the characteristics of cluster channels—the asymptotic normalization coefficients of bound states and the decay widths of narrow resonances of light nuclei. Realistic wavefunctions, in particular, those c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::622d371cee10161e4381d47f1d82f73d
https://doi.org/10.1134/s0021364019070117

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Ab Initio Study of Resonant and Weakly Bound States of Light Nuclei with Single-Nucleon Halo Based on First Principles

Autor: D. M. Rodkin, Yu. M. Tchuvil’sky

Publikováno v: Physics of Atomic Nuclei. 81:1455-1459

The approach adopted for the microscopic ab initio description of clustered systems is developed. For these purposes, the basis combining ordinary shell-model components and translationally invariant cluster- channel terms is constructed. Transformat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::670283768e8044e5bdecb0d9413eab5f
https://doi.org/10.1134/s1063778818100150

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Asymptotic characteristics of decay channels of states of light nuclei in the ab initio approach

Autor: D. M. Rodkin, Yu. M. Tchuvil’sky

Publikováno v: Physical Review C. 103

A new convenient method for accurate theoretical calculations of quantities of traditional theory of nuclear reactions such as widths of resonances (including subthreshold), and asymptotic normalization coefficients is proposed. This provides a step

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::485711a5960afb6050d38f2f91f44be1
https://doi.org/10.1103/physrevc.103.024304

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Description of alpha-clustering of 8Be nucleus states in high-precision theoretical approach

Autor: D. M. Rodkin, Yu. M. Tchuvil’sky

Scrupulous theoretical study of 8Be nucleus states, both clustered and non-clustered, is performed over a wide range of the excitation energies. The quantities which characterize the degree of the alpha-clustering of these states: spectroscopic facto

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a15de832324cfa57d7e658ddd98fbc2d
http://arxiv.org/abs/2006.16750

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Ab Initio Description of Clustering Phenomena in Spectra of Light Nuclei

Autor: Yu. M. Tchuvil’sky, D. M. Rodkin

Publikováno v: JETP Letters. 108:429-434

An approach has been presented to take into account clustering properties of nuclei by the introduction of cluster components in the basis used in microscopic ab initio calculations and to calculate the cluster characteristics of nuclei by the projec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::580a2303b11bc749d8b29b9d5f61ed15
https://doi.org/10.1134/s0021364018190104

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