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Normal and intruder configurations in $^{34}$Si populated in the $\beta^-$ decay of $^{34}$Mg and $^{34}$Al
/ IDS Collaboration
The structure of $^{34}$Si was studied through $\gamma$ spectroscopy separately in the $\beta^-$ decays of $^{34}$Mg and $^{34}$Al at the ISOLDE facility of CERN. Different configurations in $^{34}$Si were populated independently from the two recently identified $\beta$-decaying states in $^{34}$Al having spin-parity assignments $J^\pi = 4^-$ dominated by the normal configuration $\pi (d_{5/2})^{-1} \otimes \nu (f_{7/2})$ and $J^\pi = 1^+$ by the intruder configuration $\pi (d_{5/2})^{-1} \otimes \nu (d_{3/2})^{-1}(f_{7/2})^{2}$. [...]
arXiv:1908.11626.-
2019-09-12 - 11 p.
- Published in : Phys. Rev. C 100 (2019) 034306
Fulltext: PDF;
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Transfer reactions induced with $^{56}$Ni: shell gaps and np pairing
/ Georgiadou, A (Orsay, IPN ; U. Paris-Sud 11, Dept. Phys., Orsay ; Paris, IN2P3) ; Assié, M (Orsay, IPN ; Paris, IN2P3) ; Blumenfeld, Y ; Crom, B Le ; Guillot, J ; Flavigny, F ; Achouri, L ; Aouadi, M ; Bastin, B ; Benitez, A et al.
The structure of the unstable doubly magic nucleus $^{56}$Ni has been investigated by measuring one-and two-nucleon transfer reactions. The radioactive beam of $^{56}$Ni was produced at GANIL-Caen, France at 30 MeV/u by means of the LISE spectrometer. [...]
Geneva : CERN, 2019 - 6 p.
- Published in : CERN Proc. (2019) , pp. 95-100
Fulltext: PDF;
In : 15th International Conference on Nuclear Reaction Mechanisms, Varenna, Italy, 11 - 15 Jun 2018, pp.95-100
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3.
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Identification of the crossing point at $N=21$ between normal and intruder configurations
/ Lică, R (CERN ; Bucharest, IFIN-HH) ; Rotaru, F (Bucharest, IFIN-HH) ; Borge, M J G (CERN ; Madrid, Inst. Estructura Materia) ; Grévy, S (GANIL ; CENBG, Gradignan) ; Negoiţă, F (Bucharest, IFIN-HH) ; Poves, A (Madrid, Autonoma U.) ; Sorlin, O (GANIL) ; Andreyev, A N (York U., England) ; Borcea, R (Bucharest, IFIN-HH) ; Costache, C (Bucharest, IFIN-HH) et al.
/IDS
The β− decay of Mg34 was used to study the Al34 nucleus through γ spectroscopy at the Isotope Separator On-Line facility of CERN. Previous studies identified two β-decaying states in Al34 having spin-parity assignments Jπ=4− dominated by the normal configuration π(d5/2)−1⊗ν(f7/2) and Jπ=1+ by the intruder configuration π(d5/2)−1⊗ν(d3/2)−1(f7/2)2. [...]
2017 - 6 p.
- Published in : Phys. Rev. C 95 (2017) 021301
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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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Properties of low-lying intruder states in 34Aland 34Sipopulated in the beta-decay of 34Mg
/ Lică, R (CERN) ; Rotaru, F ; Negoită, F ; Grévy, S ; Mărginean, N ; Desagne, Ph ; Stora, T (CERN) ; Borcea, C ; Borcea, R ; Călinescu, S et al.
The results of the IS530 experiment at ISOLDE revealed new information concerning several nuclei close to the N ≈ 20 'Island of Inversion' - 34Mg, 34Al, 34Si. The half-life of 34Mgwas found to be three times larger than the adopted value (63(1) ms instead of 20(10) ms). [...]
2015 - 4 p.
- Published in : AIP Conf. Proc. 1645 (2015) 363-366
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Properties of intruder states in $^{34}$Al and $^{34}$Si
/ Rotaru, F (Bucharest, IFIN-HH) ; Lica, R (Bucharest, IFIN-HH) ; Negoita, F (Bucharest, IFIN-HH) ; Grévy, S (CENBG, Gradignan) ; Marginean, N (Bucharest, IFIN-HH) ; Dessagne, Ph (Strasbourg, IPHC) ; Stora, T (CERN) ; Borcea, C (Bucharest, IFIN-HH) ; Borcea, R (Bucharest, IFIN-HH) ; Calinescu, S (Bucharest, IFIN-HH) et al.
We report on two experimental results for nuclei located in the region of the N = 20 island of inversion. In the first experiment, performed at GANIL, we have discovered and studied the $0_{2}^{ + }$ state in $^{34}$Si and made the hypothesis that it was fed by the beta-decay of a predicted isomeric $1^{+}$ state in $^{34}$Al. [...]
2015 - 7 p.
- Published in : JPS Conf. Proc. 6 (2015) 020006
In : 2nd Conference on Advances in Radioactive Isotope Science, Tokyo, Japan, 1 - 6 Jun 2014, pp.020006
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7.
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Measurements of prompt fission gamma-rays and neutrons with lanthanide halide scintillation detectors
/ Oberstedt, A (Goteborg, ITP) ; Belgya, T (Wigner RCP, Budapest) ; Billnert, R (Geel, JRC) ; Borcea, R (Geel, JRC) ; Brys, T (Geel, JRC) ; Chaves, C (Geel, JRC) ; Gamboni, T (Geel, JRC) ; Geerts, W (Geel, JRC) ; Göök, A (Darmstadt, Tech. Hochsch.) ; Guerrero, C (CERN) et al.
Photons have been measured with lanthanide halide scintillation detectors in coincidence with fission fragments. Using the time-of-flight information, reactions from γ-rays and neutrons could easily be distinguished. [...]
2014
Published version from CERN: PDF;
In : European Research Infrastructures for Nuclear Data Applications (ERINDA) workshop, CERN, Geneva, Switzerland, 1 - 3 Oct 2013, pp.79-86
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8.
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Properties of low-lying intruder states in 34Al and 34Si sequentially populated in beta-decay of 34Mg
/ Negoita, F (IFIN-HH Bucharest Romania) ; Grevy, S (CENBG Bordeaux France) ; Lica, R (IFIN-HH Bucharest Romania) ; Marginean, N (IFIN-HH Bucharest Romania) ; Desagne, Ph (IPHC Strasbourg France) ; Stora, T (ISOLDE/CERN Geneva Switzerland) ; Borcea, C (IFIN-HH Bucharest Romania) ; Borcea, R (IFIN-HH Bucharest Romania) ; Calinescu, S (IFIN-HH Bucharest Romania) ; Daugas, JM (CEA DAM DIF Arpajon France) et al.
CERN-INTC-2014-059 ; INTC-CLL-017.
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2014.
Fulltext - Original Document (INTC-P-314)
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9.
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Properties of low-lying intruder states in $^{34}$Al and $^{34}$Si sequentially populated in $\beta$-decay of $^{34}$Mg
/ Negoita, F (IFIN-HH Bucharest Romania) ; Grevy, S (CENBG Bordeaux France) ; Lica, R (IFIN-HH Bucharest Romania) ; Marginean, N (IFIN-HH Bucharest Romania) ; Desagne, Ph (IPHC Strasbourg France) ; Stora, T (ISOLDE/CERN Geneva Switzerland) ; Borcea, C (IFIN-HH Bucharest Romania) ; Borcea, R (IFIN-HH Bucharest Romania) ; Calinescu, S (IFIN-HH Bucharest Romania) ; Daugas, JM (CEA DAM DIF Arpajon France) et al.
CERN-INTC-2014-027 ; INTC-P-314-ADD-1.
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2014.
Fulltext - Original Document (INTC-P-314)
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10.
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Properties of low-lying intruder states in $^{34}$Al and $^{34}$Si sequentially populated in $\beta$-decay of $^{34}$Mg
/ Negoita, F (IFIN-HH Bucharest Romania) ; Grevy, S (CENBG Bordeaux France) ; Lica, R (IFIN-HH Bucharest Romania) ; Marginean, N (IFIN-HH Bucharest Romania) ; Desagne, Ph (IPHC Strasbourg France) ; Stora, T (ISOLDE/CERN Geneva Switzerland) ; Borcea, C (IFIN-HH Bucharest Romania) ; Borcea, R (IFIN-HH Bucharest Romania) ; Calinescu, S (IFIN-HH Bucharest Romania) ; Daugas, JM (CEA DAM DIF Arpajon France) et al.
CERN-INTC-2014-026 ; INTC-SR-037.
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2014.
Fulltext - Original Document (INTC-P-314)
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