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Charge radii, moments, and masses of mercury isotopes across the $$N$$=126 shell closure

$$N$$=126シェル クロージャを横切って水銀同位体の電荷半径,モーメント、および質量の研究

Day Goodacre, T.*; Afanasjev, A. V.*; Barzakh, A. E.*; Nies, L.*; Marsh, B. A.*; Sels, S.*; Perera, U. C.*; Ring, P.*; Wienholz, F.*; Andreyev, A. N.; 他41名*

Day Goodacre, T.*; Afanasjev, A. V.*; Barzakh, A. E.*; Nies, L.*; Marsh, B. A.*; Sels, S.*; Perera, U. C.*; Ring, P.*; Wienholz, F.*; Andreyev, A. N.; 41 of others*

Combining laser spectroscopy with Penning-trap mass spectroscopy at the Isolde facility at CERN, the charge radii of neutron-rich mercury isotopes $$^{202,203,206,207,208}$$Hg were successfully measured. Furthermore, more precise values for the masses of $$^{206,207,208}$$Hg was obtained, as well as the magnetic moment of $$^{207}$$Hg. These results were used to understand the systematics of Hg isotopes across the $$N$$=126 shell closure. Comparison with covariant density functional theory calculations revealed that in particular the 1$$i_{11/2}$$ and 2$$g_{9/2}$$ neutron orbitals affect the evolution of charge radii.

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パーセンタイル:79.61

分野:Physics, Nuclear

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