Proton-neutron structure of first and second quadrupole excitations of$^{90}$Sr - INSPIRE

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Proton-neutron structure of first and second quadrupole excitations of $^{90}$ Sr

Jan 22, 2018

Published in:

Eur.Phys.J.A 54 (2018) 1, 4

Published: Jan 22, 2018

DOI:

10.1140/epja/i2018-12451-4

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Abstract: (Springer)

Starting from the Skyrme interaction

f_{-}

together with the density-dependent pairing interaction, we study the g factors for the

2_{1,2}^{+}

excitations of

^{88, 90}

Sr and

^{90, 92}

Zr. The coupling between one- and two-phonon terms in the wave functions of excited states is taken into account within the finite-rank separable approximation. Using the same set of parameters we describe available experimental data and give the prediction for

^{90}

Sr,

g(2_{2}^{+})=+0.03

in comparison to

+0.31

in the case of

^{92}

Zr.

References(40)

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