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Determination of the Terbium-152 half-life from mass-separated samples from CERN-ISOLDE and assessment of the radionuclide purity
/ Collins, S M (Teddington, Natl. Phys. Lab ; U. Surrey (main)) ; Ko¨ster, U (Laue-Langevin Inst.) ; Robinson, A P (Teddington, Natl. Phys. Lab ; U. Manchester (main) ; Manchester U.) ; Ivanov, P (Teddington, Natl. Phys. Lab) ; Cocolios, T E (Leuven U.) ; Russell, B (Teddington, Natl. Phys. Lab) ; Fenwick, A J (Teddington, Natl. Phys. Lab) ; Bernerd, C (Leuven U. ; CERN) ; Stegemann, S (Leuven U.) ; Johnston, K (CERN) et al.
Terbium-152 is one of four terbium radioisotopes that together form a potential theranostic toolbox for the personalised treatment of tumours. As 152 Tb decay by positron emission it can be utilised for diagnostics by positron emission tomography. [...]
2023 - 16 p.
- Published in : Appl. Radiat. Isot. 202 (2023) 111044
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Evidence for spherical-oblate shape coexistence in $^{87}\mathrm{Tc}$
/ Liu, X (Stockholm, Res. Inst. Atomic Phys. ; Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Cederwall, B (Stockholm, Res. Inst. Atomic Phys.) ; Qi, C (Stockholm, Res. Inst. Atomic Phys.) ; Wyss, R A (Stockholm, Res. Inst. Atomic Phys.) ; Aktas, Ö (Stockholm, Res. Inst. Atomic Phys.) ; Ertoprak, A (Stockholm, Res. Inst. Atomic Phys. ; Istanbul U.) ; Zhang, W (Stockholm, Res. Inst. Atomic Phys.) ; Clément, E (GANIL) ; de France, G (GANIL) ; Ralet, D (CSNSM, Orsay) et al.
Excited states in the neutron-deficient nucleus $^{87}$Tc have been studied via the fusion-evaporation reaction $^{54}$Fe($^{36}$Ar, 2$n$1p) $^{87}$Tc at 115 MeV beam energy. The AGATA γ -ray spectrometer coupled to the DIAMANT, NEDA, and Neutron Wall detector arrays for light-particle detection was used to measure the prompt coincidence of $\gamma$ rays and light particles. [...]
2022 - 6 p.
- Published in : Phys. Rev. C 106 (2022) 034304
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3.
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Evidence of Partial Seniority Conservation in the $\pi{g}_{9/2}$ Shell for the $N=50$ Isotones
/ Pérez-Vidal, R M (Valencia U., IFIC ; INFN, Legnaro) ; Gadea, A (Valencia U., IFIC) ; Domingo-Pardo, C (Valencia U., IFIC) ; Gargano, A (INFN, Naples ; Carlos III U., Madrid) ; Valiente-Dobón, J J (INFN, Legnaro) ; Clément, E (GANIL) ; Lemasson, A (GANIL) ; Coraggio, L (INFN, Naples ; Carlos III U., Madrid ; Napoli Seconda U.) ; Siciliano, M (Argonne, PHY) ; Szilner, S (Boskovic Inst., Zagreb) et al.
The reduced transition probabilities for the $4^+_1 \to 2^+_1$ and $2^+_1 \to 0^+_1$ transitions in $^{92}$Mo and $^{94}$Ru and for the $4^+_1 \to 2^+_1$ and $6^+_1 \to 4^+_1$ transitions in $^{90}$Zr have been determined in this experiment making use of a multinucleon transfer reaction. These results have been interpreted on the basis of realistic shell-model calculations in the $f_{5/2}, p_{3/2}, p_{1/2},$ and $g_{9/2}$ proton valence space. [...]
2022 - 7 p.
- Published in : Phys. Rev. Lett. 129 (2022) 112501
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4.
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Excited states in $^{217}$Ra populated in the α decay of $^{221}$Th
/ 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 $^{221}_{90}$Th, populating excited states in $^{217}_{88}$Ra, was studied using αγ-coincidence spectroscopy. Two α-decay branches from $^{221}$Th have been newly observed, with $E_{\alpha} \mathrm{(keV)} [b_{\alpha}(\%)]=7951(8)[0.14(3)]$ and $8247(3)[1.51(12)]$, 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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Reinterpretation of excited states in $^{212}$Po: Shell-model multiplets rather than $\alpha$-cluster states
/ Fernández, A (CSIC, Madrid) ; Jungclaus, A (CSIC, Madrid) ; Golubev, P (Lund U.) ; Rudolph, D (Lund U.) ; Sarmiento, L G (Lund U.) ; Gargano, A (INFN, Naples) ; Naïdja, H (Constantine U.) ; Astier, A (IJCLab, Orsay) ; Dupont, E (IJCLab, Orsay) ; Gadea, A (Valencia U., IFIC) et al.
A $\gamma$ -ray spectroscopic study of $^{212}$Po was performed at the Grand Accélérateur National d’Ions Lourds, using the inverse kinematics α-transfer reaction $^{12}$C($^{208}$Pb, $^{212}$Po) $^8$Be and the AGATA spectrometer. A careful analysis based on $\gamma \gamma$ coincidence relations allowed us to establish 14 new excited states in the energy range between 1.9 and 3.3 MeV. [...]
2021 - 19 p.
- Published in : Phys. Rev. C 104 (2021) 054316
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6.
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Evidence for enhanced neutron-proton correlations from the level structure of the $N=Z+1$ nucleus $_{43}^{87}\mathrm{Tc}_{44}$
/ Liu, X. (Royal Inst. Tech., Stockholm ; Beijing, GUCAS ; Lanzhou, Inst. Modern Phys.) ; Cederwall, B. (Royal Inst. Tech., Stockholm) ; Qi, C. (Royal Inst. Tech., Stockholm) ; Wyss, R.A. (Royal Inst. Tech., Stockholm) ; Aktas, Ö. (Royal Inst. Tech., Stockholm) ; Ertoprak, A. (Royal Inst. Tech., Stockholm) ; Zhang, W. (Royal Inst. Tech., Stockholm) ; Clément, E. (GANIL) ; de France, G. (GANIL) ; Ralet, D. (CSNSM, Orsay) et al.
The low-lying excited states in the neutron-deficient $N=Z+1$ nucleus $^{87}_{43}$Tc$^{\ }_{44}$ have been studied via the fusion-evaporation reaction $^{54}$Fe($^{36}$Ar, $2n1p$)$^{87}$Tc at the Grand Accélérateur National d'Ions Lourds (GANIL), France. The AGATA spectrometer was used in conjunction with the auxiliary NEDA, Neutron Wall, and DIAMANT detector arrays to measure coincident prompt $\gamma$-rays, neutrons, and charged particles emitted in the reaction. [...]
arXiv:2109.06292.-
2021-08-20 - 5 p.
- Published in : Phys. Rev. C 104 (2021) L021302
Fulltext: PhysRevC.104.L021302 - PDF; 2109.06292 - PDF;
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7.
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Low-lying electric dipole $γ$-continuum for the unstable $^{62,64}$Fe nuclei: Strength evolution with neutron number
/ Avigo, R (INFN, Milan ; Milan U.) ; Wieland, O (INFN, Milan) ; Bracco, A (INFN, Milan ; Milan U.) ; Camera, F (INFN, Milan ; Milan U.) ; Ameil, F (Darmstadt, GSI) ; Arici, T (Darmstadt, GSI) ; Ataç, A (Royal Inst. Tech., Stockholm) ; Barrientos, D (CERN) ; Bazzacco, D (INFN, Padua) ; Bednarczyk, P (Cracow, INP) et al.
The γ -ray emission from the nuclei $^{62,64}$Fe following Coulomb excitation at bombarding energy of 400-440 AMeV was measured with special focus on E 1 transitions in the energy region 4-8 MeV. The unstable neutron-rich nuclei $^{62,64}$Fe were produced at the FAIR-GSI laboratories and selected with the FRS spectrometer. [...]
2020 - 6 p.
- Published in : Phys. Lett. B 811 (2020) 135951
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8.
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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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9.
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Benchmarking the PreSPEC@GSI experiment for Coulex-multipolarimetry on the $\pi (p_{3/2})\rightarrow \pi (p_{1/2})$ spin-flip transition in $^{85}$Br
/ Napiralla, P (Darmstadt, Tech. Hochsch. ; Darmstadt, GSI) ; Lettmann, M (Darmstadt, Tech. Hochsch.) ; Stahl, C (Darmstadt, Tech. Hochsch.) ; Rainovski, G (Sofiya U.) ; Pietralla, N (Darmstadt, Tech. Hochsch.) ; Afara, S (King Saud U.) ; Ameil, F (Darmstadt, GSI) ; Arici, T (Darmstadt, GSI) ; Aydin, S (Aksaray U.) ; Barrientos, D (CERN) et al.
A first performance test of the Coulomb excitation multipolarimetry (Coulex-multipolarimetry) method is presented. It is based on a $^{85}\hbox {Br}\,\pi p_{3/2}\rightarrow \pi p_{1/2}$ spin-flip experiment performed as part of the PreSPEC-AGATA campaign at the GSI Helmholtzzentrum für Schwerionenforschung (GSI). [...]
2020 - 10 p.
- Published in : Eur. Phys. J. A 56 (2020) 147
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10.
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Isospin Properties of Nuclear Pair Correlations From the Level Structure of the Self-Conjugate Nucleus $^{88}$Ru
/ Cederwall, B (Royal Inst. Tech., Stockholm) ; Liu, X (Royal Inst. Tech., Stockholm) ; Aktas, Ö (Royal Inst. Tech., Stockholm) ; Ertoprak, A (Royal Inst. Tech., Stockholm ; Istanbul U.) ; Zhang, W (Royal Inst. Tech., Stockholm) ; Qi, C (Royal Inst. Tech., Stockholm) ; Clément, E (GANIL) ; de France, G (GANIL) ; Ralet, D (CSNSM, Orsay) ; Gadea, A (Valencia U., IFIC) et al.
The low-lying energy spectrum of the extremely neutron-deficient self-conjugate ($N$=Z) nuclide $^{88}_{44}$Ru$_{44}$ has been measured using the combination of the Advanced Gamma Tracking Array (AGATA) spectrometer, the NEDA and Neutron Wall neutron detector arrays, and the DIAMANT charged particle detector array. Excited states in $^{88}$Ru were populated via the $^{54}$Fe($^{36}$Ar,2n$γ$)$^{88}$Ru* fusion-evaporation reaction at the Grand Accélérateur National d’Ions Lourds (GANIL) accelerator complex. [...]
2020 - 6 p.
- Published in : Phys. Rev. Lett. 124 (2020) 062501
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