Restoring the valence-shell stabilization in $^{140}$Nd

Kern, R.; Zidarova, R.; Pietralla, N.; Rainovski, G.; Stegmann, R.; Blazhev, A.; Boukhari, A.; Cederkäll, J.; Cubiss, J.G.; Djongolov, M.

doi:10.1103/PhysRevC.102.041304

Restoring the valence-shell stabilization in $^{140}$ Nd

R. Kern
(
- Darmstadt, Tech. U.
)
,
R. Zidarova
(
- Darmstadt, Tech. U. and
- Sofiya U.
)
,
N. Pietralla
(
- Darmstadt, GSI
)
,
G. Rainovski
(
- Sofiya U.
)
,
R. Stegmann
(
- Darmstadt, GSI
)

Oct 17, 2020

6 pages

Published in:

Phys.Rev.C 102 (2020) 4, 041304

Published: Oct 17, 2020

DOI:

10.1103/PhysRevC.102.041304

Experiments:

CERN-HIE-ISOLDE

View in:

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reference search3 citations

Citations per year

Abstract: (APS)

A projectile Coulomb-excitation experiment was performed at the radioactive-ion beam facility HIE-ISOLDE at CERN to obtain

E2

and

M1

transition matrix elements of

^{140}

Nd using the multistep Coulomb-excitation code GOSIA. The absolute

M1

strengths,

\textrm{B}(M1;2^+_2→2^+_1)=0.033(8)μ^2_N,\textrm{B}(M1;2^+_3→2^+_1)=0.26^{+0.11}_{−0.10}μ^2_N

, and

\textrm{B}(M1;2^+_4→2^+_1)<0.04μ^2_{\textrm{N}}

, identify the

2^+_3

state as the main fragment of the one-quadrupole-phonon proton-neutron mixed-symmetry state of

^{140}

Nd. The degree of F-spin mixing in

^{140}

Nd was quantified with the determination of the mixing matrix element

V_{\textrm{F−mix}}<7^{+13}_{−7}

keV.

Nuclear Structure

References(35)

Figures(0)

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Restoring the valence-shell stabilization in 140^{140}140Nd

Citations per year

Nuclear Structure

Restoring the valence-shell stabilization in $^{140}$ Nd