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Axial and triaxial degrees of freedom in 7272Zn
/ Hellgartner, S (Munich, Tech. U.) ; Mücher, D (Cologne U. ; Guelph U. ; TRIUMF) ; Wimmer, K (Darmstadt, GSI ; Madrid, Inst. Estructura Materia ; Tokyo U.) ; Bildstein, V (Guelph U.) ; Egido, J L (Madrid, Autonoma U.) ; Gernhäuser, R (Munich, Tech. U.) ; Krücken, R (LBNL, NSD) ; Nowak, A K (Munich, Tech. U.) ; Zielinska, M (IRFU, Saclay) ; Bauer, C (Darmstadt, Tech. U.) et al.
The unstable N=42 nucleus 72Zn has been studied using multiple safe Coulomb excitation in inverse kinematics. The experiment was performed at the REX-ISOLDE facility at CERN making first use of the silicon detector array C-REX in combination with the γ-ray spectrometer Miniball. [...]
2023 - 8 p.
- Published in : Phys. Lett. B 841 (2023) 137933
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2.
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Coulomb excitation of pear-shaped nuclei
/ Butler, Peter (Liverpool U.) ; Gaffney, Liam (Liverpool U. ; CERN) ; Spagnoletti, Pietro (West Scotland U.) ; Konki, Joonas (CERN) ; Scheck, Marcus (West Scotland U.) ; Smith, John (West Scotland U.) ; Abrahams, Kenzo (Western Cape U.) ; Bowry, Michael (TRIUMF) ; Cederkäll, Joakim (Lund U.) ; Chupp, Timothy (Michigan U.) et al.
There is a large body of evidence that atomic nuclei can undergo octupole distortion and assume the shape of a pear. This phenomenon is important for measurements of electric-dipole moments of atoms, which would indicate CP violation and hence probe physics beyond the Standard Model of particle physics. [...]
2019 - 5 p.
- Published in : EPJ Web Conf. 223 (2019) 01007
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In : IV International Conference on Nuclear Structure and Dynamics (NSD2019), Venice, Italy, 13 -17 May 2019, pp.01007
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3.
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Coulomb excitation of 222222Rn
/ Spagnoletti, P (West Scotland U. ; Simon Fraser U., Dept. Chem.) ; Butler, P A (Liverpool U.) ; Gaffney, L P (Liverpool U. ; CERN) ; Abrahams, K (Western Cape U.) ; Bowry, M (West Scotland U. ; TRIUMF) ; Cederkäll, J (Lund U.) ; Chupp, T (U. Michigan, Ann Arbor) ; de Angelis, G (INFN, Legnaro) ; De Witte, H (Leuven U.) ; Garrett, P E (Guelph U.) et al.
The nature of quadrupole and octupole collectivity in 222222Rn was investigated by determining the electric-quadrupole (E2) and octupole (E3) matrix elements using subbarrier, multistep Coulomb excitation. The radioactive 222222Rn beam, accelerated to 4.23 MeV/u, was provided by the HIE-ISOLDE facility at CERN. [...]
2022 - 10 p.
- Published in : Phys. Rev. C 105 (2022) 024323
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4.
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Excited states in 217217Ra populated in the α decay of 221221Th
/ Parr, E (West Scotland U. ; SUPA, UK) ; Smith, J F (West Scotland U. ; SUPA, UK) ; Greenlees, P T (Jyvaskyla U.) ; Auranen, K (Jyvaskyla U.) ; Chapman, R (West Scotland U. ; SUPA, UK) ; Cullen, D M (Manchester U.) ; Grahn, T (Jyvaskyla U.) ; Grocutt, L (West Scotland U. ; SUPA, UK) ; Herzáň, A (Jyvaskyla U. ; Bratislava, Inst. Phys.) ; Herzberg, R D (Liverpool U.) et al.
Fine structure in the α decay of 2219022190Th, populating excited states in 2178821788Ra, was studied using αγ-coincidence spectroscopy. Two α-decay branches from 221221Th have been newly observed, with Eα(keV)[bα(%)]=7951(8)[0.14(3)]Eα(keV)[bα(%)]=7951(8)[0.14(3)] and 8247(3)[1.51(12)]8247(3)[1.51(12)], together with three previously known branches. [...]
2020 - 12 p.
- Published in : Phys. Rev. C 102 (2020) 054335
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5.
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Coulomb Excitation of Proton-rich N=80N=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 140140Nd and 142142Sm ions were post accelerated to the energy of 4.62 MeV/A and impinged on a 1.45 mg/cm22-thin 208208Pb 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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6.
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Electric and magnetic dipole strength in 6666Zn
/ Schwengner, R (HZDR, Dresden) ; Massarczyk, R (Los Alamos) ; Scheck, M (Paisley U.) ; Tornow, W (Duke U. ; TUNL, Durham) ; Battaglia, G (Strathclyde U.) ; Beck, T (Darmstadt, Tech. Hochsch.) ; Bemmerer, D (HZDR, Dresden) ; Benouaret, N (Algiers U. Sci. Tech.) ; Beyer, R (HZDR, Dresden) ; Butterling, M (HZDR, Dresden) et al.
The dipole strength of the nuclide 6666Zn was studied in photon-scattering experiments using bremsstrahlung produced with electron beams of energies of 7.5 and 13.4 MeV at the γELBE facility as well as using quasimonoenergetic and linearly polarized photon beams of 30 energies within the range of 4.3 to 9.9 MeV at the HIγS facility. A total of 128 J=1 states were identified, among them 9 with 1++ and 86 with 1− assignments. [...]
2021 - 14 p.
- Published in : Phys. Rev. C 103 (2021) 024312
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7.
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Publisher Correction: The observation of vibrating pear-shapes in radon nuclei [doi: 10.1038/s41467-019-10494-5]
/ Butler, P A (Liverpool U.) ; Gaffney, L P (Liverpool U. ; CERN) ; Spagnoletti, P (West Scotland U.) ; Konki, J (CERN) ; Scheck, M (West Scotland U.) ; Smith, J F (West Scotland U.) ; Abrahams, K (Western Cape U.) ; Bowry, M (TRIUMF) ; Cederkäll, J (Lund U.) ; Chupp, T et al.
An amendment to this paper has been published and can be accessed via a link at the top of the paper..
2020 - 1 p.
- Published in : Nature Commun. 11 (2020) 5185
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8.
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Restoring the valence-shell stabilization in 140Nd
/ 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 140Nd using the multistep Coulomb-excitation code GOSIA. The absolute M1 strengths, B(M1;2+2→2+1)=0.033(8)μ2N,B(M1;2+3→2+1)=0.26+0.11−0.10μ2N, and B(M1;2+4→2+1)<0.04μ2N, identify the 2+3 state as the main fragment of the one-quadrupole-phonon proton-neutron mixed-symmetry state of 140Nd. [...]
2020 - 6 p.
- Published in : Phys. Rev. C 102 (2020) 041304
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Addendum: The observation of vibrating pear-shapes in radon nuclei
/ Butler, P A (Liverpool U.) ; Gaffney, L P (Liverpool U. ; CERN) ; Spagnoletti, P (West Scotland U.) ; Konki, J (CERN) ; Scheck, M (West Scotland U.) ; Smith, J F (West Scotland U.) ; Abrahams, K (Western Cape U.) ; Bowry, M (TRIUMF) ; Cederkäll, J (Lund U.) ; Chupp, T (Michigan U.) et al.
2020
- Published in : Nature Commun. 11 (2020) 3560
Fulltext: PDF; External link: Fulltext from publisher
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10.
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Evolution of quadrupole collectivity in N=80 isotones toward the Z=64 subshell gap: The B(E2;2+1→0+1) value of 142Sm
/ 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→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 136Ba and 140Nd. [...]
APS, 2015 - 5 p.
- Published in : Phys. Rev. C 91 (2015) 054326
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