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Quadrupole and octupole collectivity in the semi-magic nucleus 80206Hg126
/ Morrison, L (Surrey U.) ; Hadyńska-Klȩk, K (Warsaw U., Heavy Ion Lab ; Surrey U.) ; Podolyák, Zs (Surrey U.) ; Gaffney, L P (Liverpool U. ; CERN) ; Zielińska, M (IRFU, Saclay) ; Brown, B A (Michigan State U., East Lansing (main)) ; Grawe, H (Darmstadt, GSI) ; Stevenson, P D (Surrey U.) ; Berry, T (Surrey U.) ; Boukhari, A (CSNSM, Orsay) et al.
The first low-energy Coulomb-excitation measurement of the radioactive, semi-magic, two proton-hole nucleus 206Hg, was performed at CERN's recently-commissioned HIE-ISOLDE facility. Two γ rays depopulating low-lying states in 206Hg were observed. [...]
2023 - 5 p.
- Published in : Phys. Lett. B 838 (2023) 137675
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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
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In : 23rd International School on Nuclear Physics, Neutron Physics and Applications, Varna, Bulgaria, 22 - 28 Sep 2019, pp.012027
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Dealing with contaminants in Coulomb excitation of radioactive beams
/ Morrison, L (Surrey U.) ; Hadynska-Klek, K (Warsaw U. (main) ; Surrey U.) ; Podolyák, Zs (Surrey U.) ; Gaffney, L P (Liverpool U. ; CERN) ; Kaya, L (Cologne U.) ; Berry, T (Surrey U.) ; Boukhari, A (Orsay) ; Brunet, M (Surrey U.) ; Canavan, R (Surrey U. ; Teddington, Natl. Phys. Lab) ; Catherall, R (CERN) et al.
Data analysis of the Coulomb excitation experiment of the exotic $^{206}$Hg nucleus, recently performed at CERN’s HIE-ISOLDE facility, needs to account for the contribution to target excitation due to the strongly-present beam contaminant $^{130}$Xe. In this paper, the contamination subtraction procedure is presented..
2020 - 7 p.
- Published in : J. Phys. : Conf. Ser. 1643 (2020) 012146
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In : International Nuclear Physics Conference 2019, Glasgow, United Kingdom, 29 Jul - 2 Aug 2019, pp.012146
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Population of lead isotopes in binary reactions using a $^{94}$Rb radioactive beam
/ Čolović, P (Boskovic Inst., Zagreb) ; Szilner, S (Boskovic Inst., Zagreb) ; Illana, A (INFN, Legnaro) ; Valiente-Dobón, J J (INFN, Legnaro) ; Corradi, L (INFN, Legnaro) ; Pollarolo, G (Turin U. ; INFN, Turin) ; Mijatović, T (Boskovic Inst., Zagreb) ; Goasduff, A (INFN, Legnaro ; Padua U. ; INFN, Padua) ; Benzoni, G (Milan U. ; INFN, Milan) ; Borge, M J G (Madrid, Inst. Estructura Materia) et al.
We measured absolute cross sections for neutron transfer channels populated in the Rb94+Pb208 binary reaction. Cross sections have been extracted identifying directly the lead isotopes with the high efficiency MINIBALL γ-ray array coupled to a particle detector combined with a radioactive Rb94 beam delivered at Elab=6.2 MeV/nucleon by the HIE-ISOLDE facility. [...]
2020 - 8 p.
- Published in : Phys. Rev. C 102 (2020) 054609
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Quadrupole deformation of $^{130}$Xe measured in a Coulomb-excitation experiment
/ Morrison, L (Surrey U.) ; Hadyńska-Klȩk, K (Warsaw U., Heavy Ion Lab ; Surrey U.) ; Podolyák, Zs (Surrey U.) ; Doherty, D T (Surrey U.) ; Gaffney, L P (Liverpool U. ; CERN) ; Kaya, L (Cologne U.) ; Próchniak, L (Warsaw U., Heavy Ion Lab) ; Samorajczyk-Pyśk, J (Warsaw U., Heavy Ion Lab) ; Srebrny, J (Warsaw U., Heavy Ion Lab) ; Berry, T (Surrey U.) et al.
Low-lying states in the isotope $^{130}$Xe were populated in a Coulomb-excitation experiment performed at CERN's HIE-ISOLDE facility. The magnitudes and relative signs of seven $E2$ matrix elements and one $M1$ matrix element coupling five low-lying states in $^{130}$Xe were determined using the semiclassical coupled-channel Coulomb-excitation least-squares search code gosia. [...]
2020 - 13 p.
- Published in : Phys. Rev. C 102 (2020) 054304
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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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High-Statistics Sub-Barrier Coulomb Excitation of $^{106,108,110}$Sn
/ Park, J (Lund U.) ; Knyazev, A (Lund U.) ; Rickert, E (Lund U.) ; Golubev, P (Lund U.) ; Cederkäll, J (Lund U. ; CERN) ; Andreyev, A N (CERN ; York U., England) ; de Angelis, G (INFN, Legnaro) ; Arnswald, K (Cologne U.) ; Barber, L (Manchester U.) ; Berger, C (Munich, Tech. U.) et al.
A Coulomb excitation campaign on $^{106,108,110}$Sn at 4.4–4.5 MeV/u was launched at the HIE-ISOLDE facility at CERN. Larger excitation cross sections and γ-ray statistics were achieved compared to previous experiments at ∼2.8 MeV/u. [...]
2020 - 3 p.
- Published in : JPS Conf. Proc. 32 (2020) 010036
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In : 13th International Conference on Nucleus-Nucleus Collisions (NN 2018), Omiya, Saitama, Japan, 4 - 8 Dec 2018, pp.010036
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HAL 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
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In : International Conference Nuclear Structure and Related Topics, Burgas, Bulgaria, 3 - 9 Jun 2018, pp.03003
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Nuclear moments and transition probabilities in the vicinity of the doubly magic "\^{208}"Pb. "\^{210}"Po and "\^{210}"Pb studies during the LS2.
/ Stuchbery, A (ANU, Canberra, Australia) ; Georgiev, G (CSNSM, Orsay, France) ; Allmond, J (ORNL, Oak Ridge, Tennessee, USA) ; Balabanski, D (ELI-NP, Bucharest, Romania) ; Bignell, L (ANU, Canberra, Australia) ; Blazhev, A (IKP, University of Cologne, Germany) ; Boukhari, A (CSNSM, Orsay, France) ; Braunroth, T (IKP, University of Cologne, Germany) ; Dewald, A (IKP, University of Cologne, Germany) ; Fransen, C (IKP, University of Cologne, Germany) et al.
CERN-INTC-2017-051 ; INTC-I-186.
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2017.
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