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Coulomb Excitation of Proton-rich $N = 80$ Isotones at HIE-ISOLDE
/ Kern, Ralph (Darmstadt, Tech. U.) ; Zidarova, Radostina (Darmstadt, Tech. U.) ; Pietralla, Norbert (Darmstadt, Tech. U.) ; Rainovski, Georgi (Sofiya U.) ; Gaffney, Liam P (CERN) ; Blazhev, Andrey (Cologne U.) ; Boukhari, Amar (CERN) ; Cederkäll, Joakim (CERN ; Lund U. (main)) ; Cubiss, James G (York U., England) ; Djongolov, Martin (Sofiya U.) et al.
A projectile Coulomb-excitation experiment was performed at the radioactive ion beam facility HIE-ISOLDE at CERN. The radioactive $^{140}$Nd and $^{142}$Sm ions were post accelerated to the energy of 4.62 MeV/A and impinged on a 1.45 mg/cm$^2$-thin $^{208}$Pb target. [...]
2020 - 8 p.
- Published in : J. Phys. : Conf. Ser. 1555 (2020) 012027
Fulltext: PDF;
In : 23rd International School on Nuclear Physics, Neutron Physics and Applications, Varna, Bulgaria, 22 - 28 Sep 2019, pp.012027
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Restoring the valence-shell stabilization in $^{140}$Nd
/ Kern, R (Darmstadt, Tech. U.) ; Zidarova, R (Darmstadt, Tech. U. ; Sofiya U.) ; Pietralla, N (Darmstadt, GSI) ; Rainovski, G (Sofiya U.) ; Stegmann, R (Darmstadt, GSI) ; Blazhev, A (Cologne U.) ; Boukhari, A (CERN) ; Cederkäll, J (CERN ; Lund U. (main)) ; Cubiss, J G (York U., England) ; Djongolov, M (Sofiya U.) et al.
A projectile Coulomb-excitation experiment was performed at the radioactive-ion beam facility HIE-ISOLDE at CERN to obtain $E2$ and $M1$ transition matrix elements of $^{140}$Nd using the multistep Coulomb-excitation code GOSIA. The absolute $M1$ strengths, $\textrm{B}(M1;2^+_2→2^+_1)=0.033(8)μ^2_N,\textrm{B}(M1;2^+_3→2^+_1)=0.26^{+0.11}_{−0.10}μ^2_N$, and $\textrm{B}(M1;2^+_4→2^+_1)<0.04μ^2_{\textrm{N}}$, identify the $2^+_3$ state as the main fragment of the one-quadrupole-phonon proton-neutron mixed-symmetry state of $^{140}$Nd. [...]
2020 - 6 p.
- Published in : Phys. Rev. C 102 (2020) 041304
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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
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TU Darmstadt server - Fulltext - Full text
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Search for Isovector Valence-Shell Excitations in $^{140}$Nd and $^{142}$Sm via Coulomb excitation reactions of radioactive ion beams
/ Kern, Ralph (Darmstadt, Tech. U.) ; Stegmann, Robert (Darmstadt, Tech. U.) ; Pietralla, Norbert (Darmstadt, Tech. U.) ; Rainovski, Georgi (Sofiya U.) ; Gaffney, Liam Paul (CERN) ; Blazhev, Andrey (Cologne U.) ; Boukhari, Amar (CERN) ; Cederkäll, Joakim (CERN ; Lund U.) ; Cubiss, James (CERN) ; Djongolov, Martin (Sofiya U.) et al.
Projectile Coulomb excitation experiments were performed at HIE-ISOLDE at CERN with the radioactive ion beams of $^{140}$Nd and $^{142}$Sm. Ions with an energy of 4.62 MeV/A were impinging on a 1.45 mg/cm$^2$ thick $^{208}$Pb target. [...]
2018 - 5 p.
- Published in : EPJ Web Conf. 194 (2018) 03003
Fulltext: PDF;
In : International Conference Nuclear Structure and Related Topics, Burgas, Bulgaria, 3 - 9 Jun 2018, pp.03003
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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.
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Study of the effect of shell stabilization of the collective isovector valence-shell excitations along the N=80 isotonic chain
/ Stegmann, Robert (Insitut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany) ; Bauer, Christopher (Insitut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany) ; Rainovski, Georgi (Department of Atomic Physics, University of Sofia, Sofia, Bulgaria) ; Pietralla, Norbert (Insitut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany) ; Bönig, Sabine (Insitut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany) ; Ilieva, Stoyanka (Insitut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany) ; Stahl, Christian (Insitut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany) ; Danchev, Miroslav (Department of Atomic Physics, University of Sofia, Sofia, Bulgaria) ; Gladnishki, Kalin (Department of Atomic Physics, University of Sofia, Sofia, Bulgaria) ; Damyanova, Antoaneta (Department of Atomic Physics, University of Sofia, Sofia, Bulgaria) et al.
CERN-INTC-2015-013 ; INTC-SR-049.
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2015.
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2$^+$ anomaly and configurational isospin polarization of $^{136}$Te
/ Stahl, Christian (Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany) ; Werner, Volker (Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany) ; Pietralla, Norbert (Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany) ; Rainovski, Georgi (Faculty of Physics, St. Kliment Ohridski University of Sofia, 1164 Sofia, Bulgaria) ; Jungclaus, Andrea (Instituto de Estructura de la Materia, CSIC, 28006 Madrid, Spain) ; Kröll, Thorsten (Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany) ; Lettmann, Marc (Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany) ; Möller, Oliver (Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany) ; Reese, Michael (Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany) ; Stegmann, Robert (Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany) et al.
CERN-INTC-2014-055 ; INTC-P-421.
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2014.
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Measurements of octupole collectivity in Rn and Ra nuclei using Coulomb excitation
/ Rapisarda, E (CERN) ; Stora, T (CERN) ; Voulot, D (CERN) ; Wenander, F (CERN) ; Bauer, C (TU Darmstadt) ; Bönig, S (TU Darmstadt) ; Ilieva, S (TU Darmstadt) ; Kröll, Th (TU Darmstadt) ; Scheck, M (TU Darmstadt) ; Stegmann, R (TU Darmstadt) et al.
CERN-INTC-2012-046 ; INTC-P-347.
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2012.
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