Structure of Superheavy Nuclei

Antonenko, N. V.; Adamian, G. G.; Bezbakh, A. N.; Kartavenko, V. G.; Malov, L.A.; Shneidman, T. M.; Shirikova, N. Yu.; Sushkov, A. V.; Jolos, R. V.

doi:10.1142/9789811209451_0029

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“…[1] with Nilsson potential; present QRPA calculations with the D1M parametrization of the Gogny interaction [33], π and ν are the proton and neutron content of the phonon respectively; QPM calculations with the Woods-Saxon potential from Refs. [26,34]. The experimental values are from Refs.…”

Section: A 2 − State In the N = 150 Isotonesmentioning

confidence: 99%

“…Experimental values (blue) taken from Refs [18][19][20][21]. and this work; present QRPA D1M calculations for the 5/2 + vib state are plotted in red; QPM calculations with Woods-Saxon potential from Ref [34]. are given in green.…”

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confidence: 99%

“…Results of QPM calculations with the Woods-Saxon potential[34] for the 5/2 + states in N = 151 isotones.…”

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confidence: 99%

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Influence of octupole vibration on the low-lying structure of Fm251 and other heavy N=151 isotones

et al. 2018

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The structure of low-lying excited states in 251 Fm, populated by the α decay of 255 No, has been investigated by means of combined γ and internal conversion electron spectroscopy. The values for the internal conversion coefficients for the 1/2 + → 5/2 + and 5/2 + → 9/2 − transitions have been measured. The determined M2/E3 mixing ratio and lifetime for the 5/2 + decay to the ground state allowed to determine the corresponding reduced transitions strengths of B(E3) = 18(6) W.u. and B(M2) = 3.0(6) × 10 −3 W.u. These results, as well as the results of previous studies in N = 151 isotopes, are compared to theoretical calculations beyond the mean-field approach, including the first QRPA calculations using the Gogny D1M parametrization for such heavy odd-N nuclei. The comparison points to the importance of accounting for the octupole vibrations for a proper understanding of the low-lying nuclear structure of some of the heaviest elements.

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Section: A 2 − State In the N = 150 Isotonesmentioning

confidence: 99%

mentioning

confidence: 99%