Spin-dependent evolution of collectivity in 
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Doncel, M.; Bäck, T.; Qi, Chong; Cullen, D. M.; Hodge, D.; Cederwall, B.; Taylor, M. J.; Procter, M. G.; Giles, M.; Auranen, K.; Grahn, T.; Greenlees, P. T.; Jakobsson, U.; Julin, R.; Juutinen, S.; Herzáň, A.; Konki, J.; Pakarinen, J.; Partanen, J.; Peura, P.; Rahkila, P.; Ruotsalainen, P.; Sandzelius, M.; Sarén, J.; Scholey, C.; Sorri, J.; Stolze, S.; Uusitalo, J.

doi:10.1103/physrevc.96.051304

Cited by 8 publications

(2 citation statements)

References 27 publications

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“…Except for the nuclei near , the energy ratio of the first to state is approximately equal to 2, thereby indicating a vibration structure [13,14]. However, the transitions of a few light Te isotopes do not follow that of a typical vibrator [15][16][17]. The low-lying energy levels with exhibit different characteristics.…”

Section: Introduction 132 132mentioning

confidence: 94%

Symmetric and asymmetric structural evolutions of Te isotopes across the N = 82 shell closure *

Jiang¹,

Zhou²,

Lei³

et al. 2021

Chinese Phys. C

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Systematic calculations of low-lying energy levels, transitions, and g factors of even-even tellurium isotopes with mass numbers from 128 to 140 are performed via the nucleon-pair approximation (NPA) of the shell model with phenomenological multipole-multipole interactions. An optimal agreement is obtained between the calculated results and experimental data. The yrast band structures of nuclei below and above the shell closure are compared and discussed. In particular, the evolutionary differences of values and factors, with respect to the symmetry of , are attributed to the dominant contribution differences in neutron and proton excitations, respectively.

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Section: Introduction 132 132mentioning

confidence: 94%

Symmetric and asymmetric structural evolutions of Te isotopes across the N = 82 shell closure *

Jiang¹,

Zhou²,

Lei³

et al. 2021

Chinese Phys. C

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“…In particular, the calculations reproduced reasonably well the nearly con- hand, a squeezed gap between the 6 + 1 and 4 + 1 states is seen in Te isotopes when approaching N = 82, resulting in seniority-like spectra. A further experiment is done to study the angular momentum dependence of the E2 transition strengths in 112 Te [25]. It shows a similar but more 'vibrational'-like behaviour.…”

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confidence: 99%

Shell model description of heavy nuclei and abnormal collective motions

2018

EPJ Web Conf.

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In this contribution I present systematic calculations on the spectroscopy and electromagnetic transition properties of intermediate-mass and heavy nuclei around 100Sn and 208Pb. We employed the large-scale configuration interaction shell model approach with realistic interactions. Those nuclei are the longest isotopic chains that can be studied by the nuclear shell model. I will show that the yrast spectra of Te isotopes show a vibrational-like equally spaced pattern but the few known E2 transitions show rotational-like behaviour. These kinds of abnormal collective behaviors cannot be reproduced by standard collective models and provide excellent background to study the competition of single-particle and various collective degrees of freedom. Moreover, the calculated B(E2) values for neutron-deficient and heavier Te isotopes show contrasting different behaviours along the yrast line, which may be related to the enhanced neutron-proton correlation when approaching N=50. The deviations between theory and experiment concerning the energies and E2 transition properties of low-lying 0+ and 2+ excited states and isomeric states in those nuclei may provide a constraint on our understanding of nuclear deformation and intruder configuration in that region.

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