Strong interaction effects in Σ- atoms | Zendy

Th. Petridou | Zendy

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Strong interaction effects in Σ- atoms

Author(s) -

Th. Petridou

Publication year - 2020

Publication title -

hnps advances in nuclear physics

Language(s) - English

Resource type - Journals

eISSN - 2654-0088

pISSN - 2654-007X

DOI - 10.12681/hnps.2875

Subject(s) - spin–orbit interaction , connection (principal bundle) , coupling (piping) , physics , orbit (dynamics) , atomic physics , spectral line , spin (aerodynamics) , matrix (chemical analysis) , shell (structure) , nuclear physics , quantum mechanics , chemistry , materials science , mathematics , engineering , thermodynamics , geometry , chromatography , metallurgy , composite material , aerospace engineering

An approximation is made for the Σ- atomic energy shifts and widths due to strong interaction central and spin-orbit parts of the potential with the use of the S-Matrix Approach, introduced by DelofF. This simplified model is applied in 12C_Σ in connection with the Σ-hypernuclear data: 12C_Σ. It is concluded that there is an essential influence of the strong interaction and especially of the nuclear spin-orbit coupling in the spectra of Σ-12C, mainly for the p-shell.

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