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1.
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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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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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3.
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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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4.
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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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5.
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EXILL—a high-efficiency, high-resolution setup for $\gamma$-spectroscopy at an intense cold neutron beam facility
/ Jentschel, M (Laue-Langevin Inst.) ; Blanc, A (Laue-Langevin Inst.) ; de France, G (GANIL) ; Köster, U (Laue-Langevin Inst.) ; Leoni, S (Milan U.) ; Mutti, P (Laue-Langevin Inst.) ; Simpson, G (LPSC, Grenoble) ; Soldner, T (Laue-Langevin Inst.) ; Ur, C (Padua U. ; Bucharest, IFIN-HH) ; Urban, W (Laue-Langevin Inst. ; Warsaw U.) et al.
In the EXILL campaign a highly efficient array of high purity germanium (HPGe) detectors was operated at the cold neutron beam facility PF1B of the Institut Laue-Langevin (ILL) to carry out nuclear structure studies, via measurements of γ-rays following neutron-induced capture and fission reactions. The setup consisted of a collimation system producing a pencil beam with a thermal capture equivalent flux of about 10(8) n s(−)(1)cm(−)(2) at the target position and negligible neutron halo. [...]
2017
- Published in : JINST 12 (2017) P11003
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Collective 2$^{+1}$ excitations in$^{206}$Po and$^{208,210}$Rn
/ Grahn, T (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Pakarinen, J (Jyvaskyla U. ; Helsinki Inst. of Phys. ; CERN) ; Jokiniemi, L (Jyvaskyla U.) ; Albers, M (Cologne U.) ; Auranen, K (Jyvaskyla U. ; Helsinki Inst. of Phys.) ; Bauer, C (Darmstadt, Tech. Hochsch.) ; Bernards, C (Yale U.) ; Blazhev, A (Cologne U.) ; Butler, P A (Liverpool U.) ; Bönig, S (Darmstadt, Tech. Hochsch.) et al.
In the present study, $B(E2, 2^{+1}\rightarrow 0^{+1})$ values have been measured in the$^{208,210}$Rn and$^{206}$Po nuclei through Coulomb excitation of re-accelerated radioactive beams in inverse kinematics at CERN-ISOLDE. These nuclei have been proposed to lie in, or at the boundary of the region where the seniority scheme should persist. [...]
2016
- Published in : Eur. Phys. J. A 52 (2016) 340
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7.
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Fast-timing study in the 78Ni region: $\beta$-Decay of 81Zn
/ Paziy, V (Madrid U.) ; Mach, H (Madrid U. ; Warsaw, Inst. Nucl. Studies) ; Fraile, L M (Madrid U.) ; Aprahamian, A (Notre Dame U.) ; Bernards, C (Yale U. ; Cologne U.) ; Briz, J A (Madrid U.) ; Bucher, B (Notre Dame U.) ; Chiara, C J (Argonne, PHY ; Maryland U., Dept. Chem.) ; Dlouhý, Z (Rez, Nucl. Phys. Inst.) ; Gheorghe, I (Bucharest, IFIN-HH) et al.
The neutron-rich nucleus $^{81}$Ga was populated from the $\beta$-decay of $^{81}$Zn produced at the ISOLDE (CERN) facility. The analysis of $\beta$-gated $\gamma$-ray singles and $\gamma-\gamma$ coincidences permits to extend significantly the level scheme of $^{81}$Ga as well as to provide a new half-life for $^{81}$Zn. [...]
2015 - 4 p.
- Published in : JPS Conf. Proc. 6 (2015) 030009
In : 2nd Conference on Advances in Radioactive Isotope Science, Tokyo, Japan, 1 - 6 Jun 2014, pp.030009
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9.
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Coulomb excitation of $^{72}$Zn
: vibrational proton-neutron structure of the even-A Z=30 isotopic chain
/ Mücher, D ; Albers, M ; Bernards, C ; Bettermann, L ; Blazhev, A ; Eberth, J ; Fransen, C ; Gladnishki, K ; Das-Gupta, S ; Hadynska, K et al.
CERN-INTC-2009-014 ; INTC-P-262.
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2009.
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