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Evolution of nuclear structure in the neutron-rich Nb96,97,99 isotopes: Evidence for shape coexistence in N=58Nb99
/ Kumar, V (West Scotland U. ; Strathclyde U.) ; Chapman, R (West Scotland U. ; Strathclyde U.) ; O'Donnell, D (West Scotland U. ; Strathclyde U.) ; Ollier, J (West Scotland U. ; Strathclyde U.) ; Orlandi, R (JAEA, Ibaraki) ; Smith, J F (West Scotland U. ; Strathclyde U.) ; Spohr, K -M (West Scotland U. ; Strathclyde U.) ; Torres, D A (West Scotland U. ; Strathclyde U.) ; Wady, P (West Scotland U. ; Strathclyde U.) ; Tandel, S K (Shiv Nadar U.) et al.
Excited states of the neutron-rich niobium isotopes Nb96,97,98,4196,97,98,99 have been populated in two experiments which used fusion-fission and multinucleon binary grazing reactions to populate high-spin yrast states. In the multinucleon-transfer experiment, a 530-MeV beam of Zr96 ions was incident on a thin Sn124 target; projectile-like ejectiles were detected and identified using the PRISMA magnetic spectrometer and the associated γ rays were detected using the CLARA array of Ge detectors. [...]
2023 - 19 p.
- Published in : Phys. Rev. C 108 (2023) 044313
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An innovative Superconducting Recoil Separator for HIE-ISOLDE
/ Martel, I (Huelva U.) ; Acosta, L (Mexico U.) ; Aguado, J L (Huelva U.) ; Assie, M (IJCLab, Orsay) ; Al-Aqeel, M A M (Liverpool U. ; Bucharest, IFIN-HH) ; Ballarino, A (CERN) ; Barna, D (Wigner RCP, Budapest) ; Berjillos, R (Huelva U.) ; Bonora, M (CERN) ; Bontoiu, C (Liverpool U.) et al.
The ISOLDE Scientific Infrastructure at CERN offers a unique range of post-accelerated radioactive beams. The scientific program can be improved with the “Isolde Superconducting Recoil Separator” (ISRS), an innovative spectrometer able to deliver unprecedented (A, Z) resolution. [...]
2023 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., B 541 (2023) 176-179
Fulltext: PDF;
In : 19th International Conference on Electromagnetic Isotope Separators and Related Topics (EMIS 2022), Daejeon, Korea, 3 - 7 Oct 2022, pp.176-179
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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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Population of a low-spin positive-parity band from high-spin intruder states in $^{177}$Au: The two-state mixing effect
/ Venhart, M (Bratislava, Inst. Phys.) ; Balogh, M (Bratislava, Inst. Phys.) ; Herzáň, A (Bratislava, Inst. Phys.) ; Wood, J L (Georgia Tech., Atlanta) ; Ali, F A (Liverpool U. ; Sulaimaniya U.) ; Joss, D T (Liverpool U.) ; Andreyev, A N (York U., England ; JAERI, Tokai) ; Auranen, K (Jyvaskyla U.) ; Carroll, R J (Liverpool U.) ; Drummond, M C (Liverpool U.) et al.
The extremely neutron-deficient isotopes $^{177,179}$Au were studied by means of in-beam γ -ray spectroscopy. Specific tagging techniques, α -decay tagging in $^{177}$Au and isomer tagging in $^{179}$Au, were used for these studies. [...]
2020 - 6 p.
- Published in : Phys. Lett. B 806 (2020) 135488
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6.
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Coulomb excitation of $^{222}$Rn
/ 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 $^{222}$Rn was investigated by determining the electric-quadrupole (E2) and octupole (E3) matrix elements using subbarrier, multistep Coulomb excitation. The radioactive $^{222}$Rn 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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High-spin states of $^{218}$Th
/ O'Donnell, D (SUPA, UK ; Liverpool U. ; IIT, Roorkee) ; Page, R D (Liverpool U.) ; Grahn, T (Jyvaskyla U.) ; Ali, F A (Liverpool U. ; Sulaimaniya U.) ; Auranen, K (Jyvaskyla U.) ; Capponi, L (SUPA, UK) ; Carroll, R J (Liverpool U.) ; Chishti, M M R (SUPA, UK) ; Drummond, M C (Liverpool U.) ; Greenlees, P T (Jyvaskyla U.) et al.
High-spin states in the $N = 128$ nucleus $^{218}$Th have been investigated following fusion–evaporation reactions, using the recoil-decay tagging technique. Due to the short-lived nature of the ground state of $^{218}$Th prompt $\gamma$ rays have been correlated with the $\alpha$ decay of the daughter nucleus $^{214}$Ra. [...]
2020 - 12 p.
- Published in : J. Phys. G 47 (2020) 095103
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Electric and magnetic dipole strength in $^{66}$Zn
/ 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 $^{66}$Zn 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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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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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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