Nuclear shape isomerism in 185Hg detected by laser spectroscopy

Dabkiewicz, P.; Buchinger, F.; Fischer, H.; Kluge, H.-J.; Kremmling, H.; Kühl, T.; Müller, Achim; Kolomenskiǐ, A. A.

doi:10.1016/0370-2693(79)90735-4

Cited by 108 publications

(44 citation statements)

References 7 publications

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“…Shape coexistence is visible in the vicinities of the shell closures [8,10,58]. Most clearly it is observed in the slope of charge radii in the mercury isotopic chain: It manifests itself in a huge odd-even shape staggering near the N = 104 mid-shell region [58] and a large difference in charge radii and therefore nuclear deformation between the ground and isomeric state in 185 Hg [6] (Fig. 18).…”

Section: Correlation Between Pairing Energies and Nuclear Charge Radiimentioning

confidence: 99%

“…Characteristic irregularities were observed in the isotopic chains of iridium (Z = 77), platinum (Z = 78), gold (Z = 79), mercury (Z = 80), and thallium (Z = 81) at approximately mid-shell (N = 104). The most prominent example is the odd-even shape staggering effect within the mercury isotopes [5,6]. These phenomena were first explained for mercury as two different minima in the potential energy surface at a weakly oblate and a stronger prolate deformation (shape coexistence) [7].…”

Section: Introductionmentioning

confidence: 99%

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Atomic mass measurements of short-lived nuclides around the doubly-magic 208Pb

et al. 2008

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Accurate atomic mass measurements of neutron-deficient and neutron-rich nuclides around the doubly-magic 208 Pb and of neutron-rich cesium isotopes were performed with the Penning trap mass spectrometer ISOLTRAP at ISOLDE/CERN. Pb,[190][191][192][193][194][195][196][197] 209,215,216 Bi, 203,205,229 Fr, and 214,229,230 Ra were determined. The obtained relative mass uncertainty in the range of 2 · 10 −7 to 2 · 10 −8 is not only required for safe identification of isomeric states but also allows mapping the detailed structure of the mass surface. A mass adjustment procedure was carried out and the results included into the Atomic Mass Evaluation. The resulting separation energies are discussed and the mass spectrometric and laser spectroscopic data are examined for possible correlations.

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Section: Correlation Between Pairing Energies and Nuclear Charge Radiimentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Atomic mass measurements of short-lived nuclides around the doubly-magic 208Pb

et al. 2008

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“…Many theoretical as well as experimental papers have focused their interest on the shape transition [19], shape isomerism and the observation of superdeformed bands [20] in neutron-deficient Hg isotopes.…”

Section: Introductionmentioning

confidence: 99%

Nuclear structure and decay properties of even–even nuclei in Z = 70−80 drip-line region

Mahapatro

Lahiri

Kumar

et al. 2016

Int. J. Mod. Phys. E

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We study nuclear structure properties for various isotopes of Ytterbium (Yb), Hafnium(Hf), Tungsten(W), Osmium(Os), Platinum(Pt) and Mercury(Hg) in Z = 70 − 80 drip-line region starting from N = 80 to N = 170 within the formalism of relativistic mean field (RMF) theory. The pairing correlation is taken care by using BCS approach. We compared our results with Finite Range Droplet Model(FRDM) and experimental data and found that the calculated results are in good agreement. Neutron shell closure are obtained at N = 82 and 126 in this region. We have also studied probable decay mechanisms of these elements.

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“…[35,37] with the open circles, and magnetic dipole moments for mercury, lead and platinum are taken from Refs. [6,8,[38][39][40][41][42][43][44][45]. The lines connecting the data points are to guide the eye only.…”

Section: Fig 7 Magnetic Dipole Moments For the Neutron-deficient Odd-mentioning

confidence: 99%

Electromagnetic moments of odd-APo193–203,211isotopes

Seliverstov¹,

Cocolios²,

Dexters³

et al. 2014

Phys. Rev. C

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Hyperfine splitting parameters have been measured for the neutron-deficient odd-mass polonium isotopes and isomers [193][194][195][196][197][198][199][200][201][202][203] Po g,m , 209,211 Po. The measurement was performed at the ISOLDE (CERN) online mass separator using the in-source resonance ionization spectroscopy technique. The magnetic dipole moments μ and spectroscopic electric quadrupole moments Q S have been deduced. Their implication for the understanding of nuclear structure in the vicinity of the closed proton shell at Z = 82 and the neutron mid-shell at N = 104 is discussed. For the most neutron-deficient nuclei (A = 193,195,197), a deviation of μ and Q S from the nearly constant values for heavier polonium nuclei was observed. Particle-plus-rotor calculations with static oblate deformation describe the electromagnetic moments for these nuclei well, provided a gradual increase of a mean deformation when going to lighter masses is assumed for the polonium nuclei with A<198.

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Nuclear shape isomerism in 185Hg detected by laser spectroscopy

Cited by 108 publications

References 7 publications

Atomic mass measurements of short-lived nuclides around the doubly-magic 208Pb

Atomic mass measurements of short-lived nuclides around the doubly-magic 208Pb

Nuclear structure and decay properties of even–even nuclei in Z = 70−80 drip-line region

Electromagnetic moments of odd-APo193–203,211isotopes

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