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Evolution of quadrupole collectivity in N=80 isotones toward the Z=64 subshell gap: The $B(E2;2_{1}^{+} \rightarrow 0_{1}^{+})$ value of $^{142}$Sm
/ Stegmann, R (Darmstadt, Tech. Hochsch.) ; Bauer, C (Darmstadt, Tech. Hochsch.) ; Rainovski, G (Sofiya U.) ; Pietralla, N (Darmstadt, Tech. Hochsch.) ; Stahl, C (Darmstadt, Tech. Hochsch.) ; Bönig, S (Darmstadt, Tech. Hochsch.) ; Ilieva, S (Darmstadt, Tech. Hochsch.) ; Blazhev, A (Cologne U.) ; Damyanova, A (Sofiya U. ; Geneva U.) ; Danchev, M (Sofiya U.) et al.
It was shown that the evolution of the $B(E2;2_{1}^{+} \rightarrow 0_{1}^{+})$ values in $N$ = 80 isotones from Te to Nd is affected by the underlying subshell structure. This manifests itself in the observation of the local suppression of the $B(E2)$ value at $Z$ = 58 with respect to the neighboring nuclei $^{136}$Ba and $^{140}$Nd. [...]
APS, 2015 - 5 p.
- Published in : Phys. Rev. C 91 (2015) 054326
Published fulltext: PDF;
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2.
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Coulomb Excitation of $^{142}$Xe
/ Henrich, C (Darmstadt, Tech. U.) ; Kröll, Th (Darmstadt, Tech. U.) ; Arnswald, K (Cologne U.) ; Berger, C (Munich, Tech. U.) ; Berner, C (Munich, Tech. U.) ; Berry, T (Surrey U.) ; Bildstein, V (Guelph U.) ; Cederkäll, J (Lund U. (main)) ; Cox, D (Jyvaskyla U.) ; de Angelis, G (INFN, Legnaro) et al.
The even–even nucleus $^{142}$Xe lies north-east of the doubly magic $^{132}$Sn on the neutron-rich side of the nuclear chart. In order to gain further information on the octupole collectivity and the evolution of quadrupole collectivity in this region, a “safe” Coulomb excitation experiment was carried out at the new HIE-ISOLDE facility (CERN) at the end of 2016. [...]
2018 - 5 p.
- Published in : Acta Phys. Pol. B 49 (2018) 529-533
Fulltext: PDF;
In : 35th Mazurian Lakes Conference on Physics : Exotic Nuclei : Laboratories for Fundamental Laws of Nature, Piaski, Poland, 3 - 9 Sep 2017, pp.529-533
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3.
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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
Fulltext: PDF;
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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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5.
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Determination of the $B(E3,0^+ \rightarrow 3^-)$ strength in the octupole-correlated nuclei $^{142,144}$Ba using Coulomb excitation
/ Andreyev, Andrei (University of York) ; Barton, Charles (University of York) ; Blazhev, Andrey (University of Cologne) ; Butler, Peter Anthony (University of Liverpool) ; Cederkäll, Joakim (Lund University) ; Cline, Douglas (University of Rochester) ; Cocolios, Thomas Elias (KU Leuven) ; Danchev, Miroslav (Sofia University) ; Van Duppen, Piet (KU Leuven) ; Gaffney, Liam Paul (ISOLDE-CERN) et al.
CERN-INTC-2017-002 ; INTC-CLL-027.
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2017.
Fulltext - Original Document (INTC-P-348)
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6.
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Determination of the $B(E3,0^+ \rightarrow 3^-)$ strength in the octupole-correlated nuclei $^{142,144}$Ba using Coulomb excitation
/ Andreyev, Andrei (York University) ; Barton, Charles (York University) ; Blazhev, Andrey (Cologne University) ; Butler, Peter Anthony (Liverpool University) ; Cederkäll, Joakim (Lund University) ; Cline, Douglas (University of Rochester) ; Cocolios, Thomas Elias (KU Leuven) ; Danchev, Miroslav (Sofia University) ; Van Duppen, Piet (KU Leuven) ; Gernhäuser, Roman (LMU Munich) et al.
CERN-INTC-2016-042 ; INTC-SR-054.
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2016.
Fulltext
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7.
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Multiple Coulomb excitation of a neutron rich $^{88}$Kr beam to study symmetric and mixed symmetric states in inverse kinematics
/ Moschner, Kevin (Institute of Nuclear Physics, University of Cologne, Cologne, Germany) ; Blazhev, Andrey (Institute of Nuclear Physics, University of Cologne) ; Jolie, Jan (Institute of Nuclear Physics, University of Cologne) ; Warr, Nigel (Institute of Nuclear Physics, University of Cologne) ; De Witte, Hilde (Instituut voor Kern- en Stralingsfysica, K.U.Leuven) ; Djongolov, Martin (Faculty of Physics, St. Kliment Ohridski University of Sofia) ; Fernandez, Guillermo (Institut für Kernphysik, Technische Universität Darmstadt) ; Gerst, Rosa-Belle (Institute of Nuclear Physics, University of Cologne) ; Gladnishki, Kalin (Faculty of Physics, St. Kliment Ohridski University of Sofia) ; Hartig, Anna-Lena (Institut für Kernphysik, Technische Universität Darmstadt) et al.
CERN-INTC-2016-015 ; INTC-P-461.
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2016.
Fulltext
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Quadrupole collectivity in neutron-rich Cd isotopes
/ Kröll, T (Darmstadt, Tech. U.) ; Ilieva, S (Darmstadt, Tech. Hochsch.) ; Bönig, S (Darmstadt, Tech. Hochsch.) ; Thürauf, M (Darmstadt, Tech. Hochsch.) ; Hartig, A L (Darmstadt, Tech. Hochsch.)
In this contribution, nuclear structure studies with post-accelerated radioactive beams of the neutron-rich isotopes $^{122,123,124,126,128}$Cd from the REX-ISOLDE facility at CERN are presented. The method employed is ($\gamma$)-ray spectroscopy with the MINIBALL array following “safe” Coulomb excitation. [...]
2015 - 5 p.
- Published in : JPS Conf. Proc. 6 (2015) 020009
In : 2nd Conference on Advances in Radioactive Isotope Science, Tokyo, Japan, 1 - 6 Jun 2014, pp.020009
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9.
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Coulomb excitation of neutron-rich Cd isotopes
/ Ilieva, S (Tech. U. Darmstadt, Inst. Nucl. Phys.) ; Thürauf, M (Tech. U. Darmstadt, Inst. Nucl. Phys.) ; Kröll, Th (Tech. U. Darmstadt, Inst. Nucl. Phys.) ; Krücken, R (Munich, Tech. U.) ; Behrens, T (Munich, Tech. U.) ; Bildstein, V (Munich, Tech. U. ; Heidelberg, Max Planck Inst.) ; Blazhev, A (Cologne U.) ; Bönig, S (Tech. U. Darmstadt, Inst. Nucl. Phys.) ; Butler, P A (Liverpool U.) ; Cederkäll, J (CERN) et al.
The isotopes Cd122,124,126 were studied in a “safe” Coulomb-excitation experiment at the radioactive ion-beam facility REX-ISOLDE at CERN. The reduced transition probabilities B(E2;0g.s.+→21+) and limits for the quadrupole moments of the first 2+ excited states in the three isotopes were determined. [...]
2014 - 10 p.
- Published in : Phys. Rev. C 89 (2014) 014313
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10.
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Study of octupole deformation in n-rich Ba isotopes populated via $\beta$- decay
/ Benzoni, G (INFN sezione di Milano, Milano, Italy) ; Marginean , N (IFIN-HH, Bucharest, Romania) ; Mach , H (National Centre for Nuclear Research, NCBJ, Otwock, Poland) ; Bracco, A (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) ; Leoni, S (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) ; Morales-Lopez, A (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) ; Avigo, R (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) ; Blasi, N (INFN sezione di Milano, Milano, Italy) ; Bottoni, S (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) ; Ceruti, S (INFN sezione di Milano and Universita' degli studi di Milano, Milano, Italy) et al.
CERN-INTC-2013-030 ; INTC-P-390.
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2013.
Fulltext
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