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1.
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Evidence of Partial Seniority Conservation in the $\pi{g}_{9/2}$ Shell for the $N=50$ Isotones
/ Pérez-Vidal, R M (Valencia U., IFIC ; INFN, Legnaro) ; Gadea, A (Valencia U., IFIC) ; Domingo-Pardo, C (Valencia U., IFIC) ; Gargano, A (INFN, Naples ; Carlos III U., Madrid) ; Valiente-Dobón, J J (INFN, Legnaro) ; Clément, E (GANIL) ; Lemasson, A (GANIL) ; Coraggio, L (INFN, Naples ; Carlos III U., Madrid ; Napoli Seconda U.) ; Siciliano, M (Argonne, PHY) ; Szilner, S (Boskovic Inst., Zagreb) et al.
The reduced transition probabilities for the $4^+_1 \to 2^+_1$ and $2^+_1 \to 0^+_1$ transitions in $^{92}$Mo and $^{94}$Ru and for the $4^+_1 \to 2^+_1$ and $6^+_1 \to 4^+_1$ transitions in $^{90}$Zr have been determined in this experiment making use of a multinucleon transfer reaction. These results have been interpreted on the basis of realistic shell-model calculations in the $f_{5/2}, p_{3/2}, p_{1/2},$ and $g_{9/2}$ proton valence space. [...]
2022 - 7 p.
- Published in : Phys. Rev. Lett. 129 (2022) 112501
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2.
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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
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Probing the single-particle behavior above $^{132}$Sn via electromagnetic moments of $^{133,134}$Sb and $N=82$ isotones
/ Lechner, S (CERN ; TU Vienna) ; Xu, Z Y (Leuven U. ; Tennessee U.) ; Bissell, M L (Manchester U.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Cheal, B (Liverpool U.) ; De Gregorio, G (Napoli Seconda U. ; INFN, Naples) ; Devlin, C S (Liverpool U.) ; Garcia Ruiz, R F (CERN) ; Gargano, A (INFN, Naples) ; Heylen, H (CERN) et al.
Magnetic and quadrupole moments of the $7/2^+$ ground state in $^{133}$Sb and the ($7^-$) isomer in $^{134}$Sb have been measured by collinear laser spectroscopy to investigate the single-particle behavior above the doubly magic nucleus $^{132}$Sn. The comparison of experimental data of the $7/2^+$ states in $^{133}$Sb and neighboring $N = 82$ isotones to shell-model calculations reveals the sensitivity of magnetic moments to the splitting of the spin-orbit partners $\pi 0g_{9/2}$ and $\pi 0g_{7/2}$ across the proton shell closure at $Z = 50$. [...]
2021 - 10 p.
- Published in : Phys. Rev. C 104 (2021) 014302
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4.
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Doubly-magic character of $^{132}$Sn studied via electromagnetic moments of $^{133}$Sn
/ Rodríguez, L V (Orsay, IPN ; Heidelberg, Max Planck Inst.) ; Balabanski, D L (Bucharest, IFIN-HH) ; Bissell, M L (Manchester U.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Cheal, B (Liverpool U.) ; De Gregorio, G (INFN, Naples ; Napoli Seconda U.) ; Ekman, J (Malmo U.) ; Garcia Ruiz, R F (CERN) ; Gargano, A (INFN, Naples) ; Georgiev, G (CSNSM, Orsay) et al.
We report the first measurement of the magnetic dipole and electric quadrupole moment of the exotic nucleus $^{132}$Sn by high-resolution laser spectroscopy at ISOLDE/CERN. These, in combination with state-of-the-art shell-model calculations, demonstrate the single-particle character of the ground state of this short-lived isotope and, hence, the doubly-magic character of its immediate neighbor $^{132}$Sn. [...]
2020 - 6 p.
- Published in : Phys. Rev. C 102 (2020) 051301
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Fast-timing study of the $l$-forbidden $1/2^+ \rightarrow 3/2^+ M1$ transition in $^{129}Sn$
/ Lică, R (CERN ; Bucharest, IFIN-HH) ; Mach, H (Warsaw, Inst. Nucl. Studies) ; Fraile, L M (UCM, Madrid, Dept. Phys.) ; Gargano, A (INFN, Naples) ; Borge, M J G (CERN ; Madrid, Inst. Estructura Materia) ; Mărginean, N (Bucharest, IFIN-HH) ; Sotty, C O (Bucharest, IFIN-HH ; Leuven U.) ; Vedia, V (UCM, Madrid, Dept. Phys.) ; Andreyev, A N (York U., England) ; Benzoni, G (INFN, Milan) et al.
The levels in Sn129 populated from the β− decay of In129 isomers were investigated at the ISOLDE facility of CERN using the newly commissioned ISOLDE Decay Station (IDS). The lowest 1/2+ state and the 3/2+ ground state in Sn129 are expected to have configurations dominated by the neutron s1/2 (l=0) and d3/2 (l=2) single-particle states, respectively. [...]
2016 - 7 p.
- Published in : Phys. Rev. C 93 (2016) 044303
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8.
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9.
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Experimental studies of single-particle features and collectivity above $^{132}$Sn
/ Fraile, L M (CERN ; UCM, Madrid) ; Mach, H ; Blazhev, A ; Boelaert, N ; Borje, M J G ; Boutami, R ; Bradlev, H ; Braun, N ; Brown, A ; Butler, P A et al.
2008
In : 23rd International Nuclear Physics Conference, Tokyo, Japan, 3 - 8 Jun 2007, pp.218-220 (vol.2)
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10.
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Neutron-Rich In and Cd Isotopes Close to the Doubly-Magic 132Sn
/ Scherillo, A ; Genevey, J ; Pinston, J A ; Covello, A ; Faust, H ; Gargano, A ; Orlandi, R ; Simpson, G S ; Tsekhanovich, I
2005
- Published in : AIP Conf. Proc.: 798 (2005) , pp. 145-148
External link: Published version from AIP
In : 3rd International Workshop on Nuclear Fission and Fission-Product Spectroscopy, Cadarache, France, 11 - 14 May 2005, pp.145-148
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