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NSR database version of April 27, 2024.

Search: Author = Y.A.Demidov

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2023DE06      Phys.Rev. C 107, 024307 (2023)

Yu.A.Demidov, M.G.Kozlov, A.E.Barzakh, V.A.Yerokhin

Bohr-Weisskopf effect in the potassium isotopes

ATOMIC PHYSICS K; calculated hyperfine structure constants taking into account the Bohr-Weisskopf and Breit-Rosenthal effects. Dirac-Hartree-Fock, Dirac-Hartree-Fock plus second order many-body perturbation theory (MBPT), and Dirac-Hartree-Fock plus linearized single double coupled-clusters methods. Comparison to experimental results obtained for 39K.

NUCLEAR MOMENTS 38,44,46,47,48,49,51K; analyzed experimental data on hyperfine structure constants; deduced nuclear magnetic moments with taking into account corrections caused by relative hyperfine anomaly.

doi: 10.1103/PhysRevC.107.024307
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2020BA17      Phys.Rev. C 101, 034308 (2020)

A.E.Barzakh, D.Atanasov, A.N.Andreyev, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, K.Blaum, T.E.Cocolios, J.G.Cubiss, P.Van Duppen, T.Day Goodacre, A.de Roubin, Yu.A.Demidov, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, D.T.Joss, F.Herfurth, M.Huyse, N.Imai, M.G.Kozlov, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, R.D.Page, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Hyperfine anomaly in gold and magnetic moments of Iπ = 11/2- gold isomers

NUCLEAR MOMENTS 177m,191m,193m,195mAu; measured hyperfine structure spectra (hfs), hyperfine splitting, differential hyperfine anomaly, magnetic dipole moments using in-source laser resonance-ionization spectroscopy (RILIS) at CERN-ISOLDE. Mass separated Au beams were produced in U(p, X), E=1.4 GeV reaction, and delivered to either the ISOLTRAP Multi-Reflection Time-of-Flight Mass Spectrometer (MR-ToF MS) or the Windmill (WM) decay station. Comparison to the previously measured magnetic moments. 185,186,187,189,189m,191,193,194Au; re-evaluated previously measured magnetic dipole moments by properly accounting for the hyperfine anomaly.

doi: 10.1103/PhysRevC.101.034308
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