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1.
On the nature of yrast states in neutron-rich polonium isotopes / IDS Collaboration
Polonium isotopes having two protons above the shell closure at $Z=82$ show a wide variety of low-lying high-spin isomeric states across the whole chain. [...]
arXiv:2407.03839.
- 6.
Fulltext
2.
β decay of the ground state and of a low-lying isomer in Bi216 / IDS Collaboration
A detailed β-decay study of the low- and high-spin states in Bi216 has been performed at the ISOLDE Decay Station at the CERN-ISOLDE facility. In total, 48 new levels and 83 new transitions in the β-decay daughter Po216 were identified. [...]
2024 - 18 p. - Published in : Phys. Rev. C 109 (2024) 064321 Fulltext: PDF;
3.
Reinterpretation of excited states in $^{212}$Po: Shell-model multiplets rather than $\alpha$-cluster states / Fernández, A (CSIC, Madrid) ; Jungclaus, A (CSIC, Madrid) ; Golubev, P (Lund U.) ; Rudolph, D (Lund U.) ; Sarmiento, L G (Lund U.) ; Gargano, A (INFN, Naples) ; Naïdja, H (Constantine U.) ; Astier, A (IJCLab, Orsay) ; Dupont, E (IJCLab, Orsay) ; Gadea, A (Valencia U., IFIC) et al.
A $\gamma$ -ray spectroscopic study of $^{212}$Po was performed at the Grand Accélérateur National d’Ions Lourds, using the inverse kinematics α-transfer reaction $^{12}$C($^{208}$Pb, $^{212}$Po) $^8$Be and the AGATA spectrometer. A careful analysis based on $\gamma \gamma$ coincidence relations allowed us to establish 14 new excited states in the energy range between 1.9 and 3.3 MeV. [...]
2021 - 19 p. - Published in : Phys. Rev. C 104 (2021) 054316 Fulltext: PDF;
4.
New $\beta$-decaying state in $^{214}$Bi / IDS Collaboration
A new $\beta$-decaying state in $^{214}$Bi has been identified at the ISOLDE Decay Station at the CERN-ISOLDE facility. A preferred $I^{\pi} = (8^-)$ assignment was suggested for this state based on the β-decay feeding pattern to levels in  $^{214}$Po and shell-model calculations. [...]
2021 - 13 p. - Published in : Phys. Rev. C 104 (2021) 054301 Fulltext: PDF;
5.
Enhanced Quadrupole and Octupole Strength in Doubly Magic $^{132}$Sn / Rosiak, D. (Cologne U.) ; Seidlitz, M. (Cologne U.) ; Reiter, P. (Cologne U.) ; Naïdja, H. (Constantine U. ; Strasbourg, IPHC) ; Tsunoda, Y. (Tokyo U., CNS) ; Togashi, T. (Tokyo U., CNS) ; Nowacki, F. (Strasbourg, IPHC) ; Otsuka, T. (Michigan State U., NSCL ; KU Leuven, Dept. Phys. Astron. ; Tokyo U., CNS ; Tokyo U.) ; Colò, G. (INFN, Milan ; Milan U.) ; Arnswald, K. (Cologne U.) et al. /MINIBALL ; HIE-ISOLDE
The first $2^+$ and $3^-$ states of the doubly magic nucleus $^{132}$Sn are populated via safe Coulomb excitation employing the recently commissioned HIE-ISOLDE accelerator at CERN in conjunction with the highly efficient MINIBALL array. The $^{132}$Sn ions are accelerated to an energy of 5.49  MeV/nucleon and impinged on a $^{206}$Pb target. [...]
2018-12-18 - 6 p. - Published in : 10.1103/PhysRevLett.121.252501 Fulltext: PDF;
6.
The structure of low-lying states in ${}^{140}$Sm studied by Coulomb excitation / Klintefjord, M. (Oslo U.) ; Hadyńska-Klȩk, K. (INFN, Legnaro ; Oslo U.) ; Görgen, A. (Oslo U.) ; Bauer, C. (Darmstadt, Tech. Hochsch.) ; Bello Garrote, F.L. (Oslo U.) ; Bönig, S. (Darmstadt, Tech. Hochsch.) ; Bounthong, B. (Strasbourg, IPHC) ; Damyanova, A. (Geneva U.) ; Delaroche, J.P. (CEA DAM) ; Fedosseev, V. (CERN) et al.
The electromagnetic structure of $^{140}$Sm was studied in a low-energy Coulomb excitation experiment with a radioactive ion beam from the REX-ISOLDE facility at CERN. The $2^+$ and $4^+$ states of the ground-state band and a second $2^+$ state were populated by multi-step excitation. [...]
arXiv:1603.01525.- 2016-05-02 - 14 p. - Published in : Phys. Rev. C 93 (2016) 054303 APS Open Access article: PDF; Fulltext: PDF; External link: Preprint
7.
Proton-neutron pairing correlations in the self conjugate nucleus $^{38}$K probed via a direct measurement of the isomer shift / IS484 collaboration
A marked difference in the nuclear charge radius was observed between the $I^{\pi}$ =3$^{+}$ ground state and the $I^{\pi}$ =0$^{+}$ isomer of $^{38}$K and is qualitatively explained using an intuitive picture of proton-neutron pairing. In a high-precision measurement of the isomer shift using bunched-beam collinear laser spectroscopy at CERN-ISOLDE, a change in the mean-square charge radius of ⟨r$^{2}_{c}$⟩( $^{38}$K$^{m}$ ) − ⟨r$^{2}_{c}$ ⟩($^{38}$K$^{g}$ )=0.100(6)  fm$^2$ was obtained. [...]
2014 - Published in : Phys. Rev. Lett. 113 (2014) 052502

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