<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>N</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow><mml:mn>28</mml:mn></mml:mrow><mml:mrow><mml:mn>68</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi>i</mml:mi></mml:mrow><mml:mrow><mml:mn>40</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>: Magicity versus Superfluidity

Sorlin, O.; Leenhardt, S.; Donzaud, C.; Duprat, J.; Azaiez, F.; Nowacki, F.; Grawe, H.; Dombrádi, Zs.; Amorini, F.; Astier, A.; Baiborodin, D.; Belléguic, M.; Borcea, C.; Bourgeois, C.; Cullen, D. M.; Dlouhý, Z.; Drǎgulescu, E.; Górska, M.; Grévy, S.; Guillemaud‐Mueller, D.; Hagemann, G.B.; Herskind, B.; Kiener, J.; Lemmon, R. C.; Lewitowicz, M.; Lukyanov, S. M.; Mayet, P.; Santos, F. de Oliveira; Pantalica, D.; Penionzhkevich, Yu. É.; Pougheon, F.; Poves, A.; Redon, N.; Saint‐Laurent, M. G.; Scarpaci, J.A.; Sletten, G.; Stănoiu, M.; Tarasov, O.; Theisen, Ch.

doi:10.1103/physrevlett.88.092501

Cited by 251 publications

(140 citation statements)

References 22 publications

(14 reference statements)

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“…The already known half-life of the first 2 + state in 66 Ni (T 1/2 = 0.8(2) ps, reported in Ref. [25]) was used to validate this method. A value of T 1/2 = 0.78(13) ps is obtained in this work, which is in prefect agreement with the literature value.…”

Section: Resultsmentioning

confidence: 99%

Lifetime measurements in neutron-rich63,65Co isotopes using the AGATA demonstrator

Modamio¹,

Valiente-Dobón²,

Lunardi³

et al. 2013

Phys. Rev. C

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Lifetimes of the low-lying (11/2 − ) states in 63,65 Co have been measured employing the recoil distance doppler shift method (RDDS) with the AGATA γ -ray array and the PRISMA mass spectrometer. These nuclei were populated via a multinucleon transfer reaction by bombarding a 238 U target with a beam of 64 Ni. The experimental B(E2) reduced transition probabilities for 63,65 Co are well reproduced by large-scale shell-model calculations that predict a constant trend of the B(E2) values up to the N = 40 67 Co isotope.

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Section: Resultsmentioning

confidence: 99%

Lifetime measurements in neutron-rich63,65Co isotopes using the AGATA demonstrator

Modamio¹,

Valiente-Dobón²,

Lunardi³

et al. 2013

Phys. Rev. C

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“…[7]. However, mass measurements have showed that the shell gap at N = 40 is weak for 68 Ni [8], implying that the small B(E2) value does not indicate a subshell gap.…”

Section: Introductionmentioning

confidence: 99%

β−decay of65Mn to65Fe

et al. 2013

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The low-energy structure of 65 Fe has been studied by means of γ and fast-timing spectroscopy at the ISOLDE facility, CERN. A level scheme of 65 Fe populated following the β − decay of 65 Mn was established for the first time. It includes 41 levels and 85 transitions. The excitation energy of the β-decaying isomer in 65 Fe has been precisely determined at 393.7(2) keV. The β-delayed neutron emission branch was measured as P n = 7.9(12)%, which cannot be reconciled with the previously reported value of 21.0(5)%. Four γ rays and four excited states in 64 Fe were identified as being populated following the β-n decay. Four lifetimes and five lifetime limits in the subnanosecond range have been measured using the advanced time-delayed βγ γ (t) method. The level scheme is compared with shell-model calculations. Tentative spin and parity assignments are proposed based on the observed transition rates, the calculations, and the systematics of the region.

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“…It is usually assumed from its spectrum that 68 Ni is doubly-magic [43,44,45]. The excitation energy of its first 2 + state is, indeed, large and the B(E2; 0 + gs → 2 + 1 ) value small [46].…”

Section: Nimentioning

confidence: 99%

Tensor part of the Skyrme energy density functional. II. Deformation properties of magic and semi-magic nuclei

et al. 2009

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We study systematically the impact of the time-even tensor terms of the Skyrme energy density functional, i.e. terms bilinear in the spin-current tensor density, on deformation properties of closed shell nuclei corresponding to 20, 28, 40, 50, 82, and 126 neutron or proton shell closures. We compare results obtained with three different families of Skyrme parameterizations whose tensor terms have been adjusted on properties of spherical nuclei:(i)T IJ interactions proposed in the first paper of this series [T. Lesinski et al., Phys. Rev. C 76, 014312 (2007)] which were constructed through a complete readjustment of the rest of the functional (ii) parameterizations whose tensor terms have been added perturbatively to existing Skyrme interactions, with or without readjusting the spin-orbit coupling constant. We analyse in detail the mechanisms at play behind the impact of tensor terms on deformation properties and how studying the latter can help screen out unrealistic parameterizations. It is expected that findings of the present paperare to a large extent independent of remaining deficiencies of the central and spin-orbit interactions, and will be of great value for the construction of future, improved energy functionals.

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N2868i40: Magicity versus Superfluidity

Cited by 251 publications

References 22 publications

Lifetime measurements in neutron-rich63,65Co isotopes using the AGATA demonstrator

Lifetime measurements in neutron-rich63,65Co isotopes using the AGATA demonstrator

β−decay of65Mn to65Fe

Tensor part of the Skyrme energy density functional. II. Deformation properties of magic and semi-magic nuclei

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