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$\beta$ and $\gamma$-spectroscopy study of $^{119}$Pd and $^{119}$Ag
/ Kurpeta, J (Warsaw U.) ; Abramuk, A (Warsaw U.) ; Rząca-Urban, T (Warsaw U.) ; Urban, W (Warsaw U.) ; Canete, L (Surrey U.) ; Eronen, T (Jyvaskyla U.) ; Geldhof, S (Leuven U.) ; Gierlik, M (NCBJ, Swierk) ; Greene, J P (Argonne (main)) ; Jokinen, A (Jyvaskyla U.) et al.
Neutron-rich $^{119}$Pd nuclei were produced in fission of natural uranium, induced by 25-MeV protons. Fission fragments swiftly extracted with the Ion Guide Isotope Separation On-Line method were mass separated using a dipole magnet and a Penning trap, providing mono-isotopic samples of $^{119}$Pd. [...]
2022 - 18 p.
- Published in : Phys. Rev. C 105 (2022) 034316
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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
Fulltext: PDF;
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First β-decay spectroscopy of $^{135}$In and new $β$-decay branches of $^{134}$In
/ IDS Collaboration
The $\beta$ decay of the neutron-rich $^{134}$In and $^{135}$In was investigated experimentally in order to provide new insights into the nuclear structure of the tin isotopes with magic proton number $Z=50$ above the $N=82$ shell. The $\beta$-delayed $\gamma$-ray spectroscopy measurement was performed at the ISOLDE facility at CERN, where indium isotopes were selectively laser-ionized and on-line mass separated. [...]
arXiv:2110.13988.-
2021-10-26 - 19 p.
- Published in : Phys. Rev. C 104 (2021) 044328
Fulltext: 2110.13988 - PDF; PhysRevC.104.044328 - PDF;
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5.
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Low-spin states in $^{80}$Ge populated in the $\beta$ decay of the $^{80}$Ga $3^-$ isomer
/ Sekal, S (Algiers U. Sci. Tech. ; CERN) ; Fraile, L M (Madrid U.) ; Lică, R (CERN ; Bucharest, IFIN-HH) ; Borge, M J G (Madrid, Inst. Estructura Materia) ; Walters, W B (Maryland U., Dept. Chem.) ; Aprahamian, A (Notre Dame U.) ; Benchouk, C (Algiers U. Sci. Tech.) ; Bernards, C (Yale U. (main) ; Cologne U.) ; Briz, J A (Madrid, Inst. Estructura Materia) ; Bucher, B (Idaho Natl. Lab.) et al.
The structure of
$^{80}$Ge has been investigated at the ISOLDE facility at CERN. A previous study reported for the first time a low-lying $0^+_2$ intruder state at 639 keV, based on the coincidence with a previously unobserved 1764-keV $γ$ ray, and suggested it as evidence for shape coexistence in $^{80}$Ge. [...]
2021 - 12 p.
- Published in : Phys. Rev. C 104 (2021) 024317
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Detailed spectroscopy of doubly magic $^{132}$Sn
/ IS610 Collaboration
The structure of the doubly magic $^{132}_{50}$Sn$_{82}$ has been investigated at the ISOLDE facility at CERN, populated both by the $\beta^-$ decay of $^{132}$In and $\beta^-$-delayed neutron emission of $^{133}$In. The level scheme of $^{132}$Sn is greatly expanded with the addition of 68 $\gamma$ transitions and 17 levels observed for the first time in the $\beta$ decay. [...]
arXiv:2007.03029.-
2020-07-30 - 18 p.
- Published in : Physical Review C 102 (2020) 014328
Fulltext: PDF; Fulltext from publisher: PDF;
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Shape dynamics in neutron-rich Kr isotopes: Coulomb excitation of $^{92}Kr$, $^{94}Kr$ and $^{96}Kr$
/ Albers, M (Cologne U.) ; Nomura, K (Cologne U.) ; Warr, N (Cologne U.) ; Blazhev, A (Cologne U.) ; Jolie, J (Cologne U.) ; Mücher, D (Munich, Tech. U.) ; Bastin, B (KU Leuven, FET) ; Bauer, C (Darmstadt, Tech. U.) ; Bernards, C (Yale U.) ; Bettermann, L (Cologne U.) et al.
We report on the study of excited states in $^{92,94,96}Kr$ populated via projectile Coulomb excitation at safe energies. The radioactive ion beams at energies of 2.85 MeV/u were delivered by the REX-ISOLDE facility at CERN and impinged on self-supporting $^{194,196}Pt$ targets. [...]
Elsevier, Elsevier, 2013 - 28 p.
- Published in : Nucl. Phys. A 899 (2013) 1-28
- Published in : Nucl. Phys. A 947 (2016) 260-262
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Search for the $^{73}\mathrm{Ga}$ ground-state doublet splitting in the $\beta$ decay of $^{73}\mathrm{Zn}$
/ Vedia, V (UCM, Madrid, Dept. Phys.) ; Paziy, V (UCM, Madrid, Dept. Phys.) ; Fraile, L M (UCM, Madrid, Dept. Phys.) ; Mach, H (UCM, Madrid, Dept. Phys. ; NCBJ, Swierk) ; Walters, W B (Maryland U., Dept. Chem.) ; Aprahamian, A (Notre Dame U.) ; Bernards, C (Cologne U. ; Yale U. (main)) ; Briz, J A (Madrid, Inst. Estructura Materia) ; Bucher, B (Notre Dame U. ; LLNL, Livermore) ; Chiara, C J (Maryland U., Dept. Chem. ; Argonne, PHY) et al.
The existence of two close-lying nuclear states in $^{73}$Ga has recently been experimentally determined: a 1/2$^−$ spin-parity for the ground state was measured in a laser spectroscopy experiment, while a J$^{\pi} = 3/2^−$ level was observed in transfer reactions. This scenario is supported by Coulomb excitation studies, which set a limit for the energy splitting of 0.8 keV. [...]
2017 - 13 p.
- Published in : Phys. Rev. C 96 (2017) 034311
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Search for shape-coexisting 0$^+$ states in $^{66}$Ni from lifetime measurements
/ Olaizola, B (UCM, Madrid, Dept. Phys.) ; Fraile, L M (UCM, Madrid, Dept. Phys.) ; Mach, H (UCM, Madrid, Dept. Phys. ; NCBJ, Warsaw) ; Poves, A (Madrid, Autonoma U.) ; Nowacki, F (Strasbourg, IPHC) ; Aprahamian, A (Notre Dame U.) ; Briz, J A (Madrid, Inst. Estructura Materia) ; Cal-González, J (UCM, Madrid, Dept. Phys.) ; Ghiţa, D (Bucharest, IFIN-HH) ; Köster, U (Laue-Langevin Inst.) et al.
The lifetime of the 0$_3^+$ state in $^{66}$Ni, two neutrons below the $N=40$ subshell gap, has been measured. The transition $B(E2;0_3^+ \rightarrow 2_1^+)$ is one of the most hindered E2 transitions in the Ni isotopic chain and it implies that, unlike $^{68}$Ni, there is a spherical structure at low excitation energy. [...]
2017 - 6 p.
- Published in : Phys. Rev. C 95 (2017) 061303
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10.
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Lifetimes and shape-coexisting states of $^{99}Zr$
/ Spagnoletti, P (West Scotland U.) ; Simpson, G (LPSC, Grenoble) ; Kisyov, S (Bucharest, IFIN-HH) ; Bucurescu, D (Bucharest, IFIN-HH) ; Régis, J M (Cologne U.) ; Saed-Samii, N (Cologne U.) ; Blanc, A (Laue-Langevin Inst.) ; Jentschel, M (Laue-Langevin Inst.) ; Köster, U (Laue-Langevin Inst.) ; Mutti, P (Laue-Langevin Inst.) et al.
Lifetimes of intermediate-spin states in two rotational bands of $^{99}Zr$ have been measured. These states were populated following the neutron-induced fission of $^{235}U$ at the PF1B beamline of the Institut Laue-Langevin, Grenoble, during the EXILL-FATIMA campaign. [...]
2019 - 11 p.
- Published in : Phys. Rev. C 100 (2019) 014311
Article from SCOAP3: PDF;
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