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1.
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Shape evolution in even-mass $^{98-104}$Zr isotopes via lifetime measurements using the $\gamma \gamma $-coincidence technique
/ Pasqualato, G. (IJCLab, Orsay) ; Ansari, S. (IRFU, Saclay) ; Heines, J.S. (Oslo U.) ; Modamio, V. (Oslo U.) ; Görgen, A. (Oslo U.) ; Korten, W. (IRFU, Saclay) ; Ljungvall, J. (IJCLab, Orsay ; Strasbourg, IPHC) ; Clément, E. (GANIL) ; Dudouet, J. (IP2I, Lyon) ; Lemasson, A. (GANIL) et al.
The Zirconium (Z = 40) isotopic chain has attracted interest for more than four decades. The abrupt lowering of the energy of the first $2^+$ state and the increase in the transition strength B(E2; $2_1^\rightarrow 0_1^+$ going from $^{98}$Zr to $^{100}$Zr has been the first example of "quantum phase transition" in nuclear shapes, which has few equivalents in the nuclear chart. [...]
arXiv:2410.17004.-
2023-11-21 - 13 p.
- Published in : Eur. Phys. J. A 59 (2023) 276
Fulltext: PDF;
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2.
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Manifestation of the Berry phase in the atomic nucleus $^{213}$Pb
/ Valiente-Dobón, J.J. (INFN, Legnaro) ; Gottardo, A. (INFN, Legnaro) ; Benzoni, G. (INFN, Milan) ; Gadea, A. (Valencia U., IFIC) ; Lunardi, S. (Padua U. ; INFN, Padua) ; Algora, A. (Valencia U., IFIC) ; de Angelis, G. (INFN, Legnaro) ; Bazzacco, D. (INFN, Padua) ; Benlliure, J. (Santiago de Compostela U., IGFAE) ; Boutachkov, P. (Darmstadt, GSI) et al.
The neutron-rich $^{213}$Pb isotope was produced in the fragmentation of a primary 1 GeV $A$ $^{238}$U beam, separated in FRS in mass and atomic number, and then implanted for isomer decay $\gamma$-ray spectroscopy with the RISING setup at GSI. A newly observed isomer and its measured decay properties indicate that states in $^{213}$Pb are characterized by the seniority quantum number that counts the nucleons not in pairs coupled to angular momentum $J=0$. [...]
arXiv:2010.14859.-
2021-05-10 - 7 p.
- Published in : Phys. Lett. B 816 (2021) 136183
Article from SCOAP3: PDF; Fulltext: PDF;
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3.
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Isospin dependence of electromagnetic transition strengths among an isobaric triplet
/ Boso, A (Padua U. ; INFN, Padua ; Teddington, Natl. Phys. Lab) ; Milne, S A (York U., England) ; Bentley, M A (York U., England) ; Recchia, F (Padua U. ; INFN, Padua) ; Lenzi, S M (Padua U. ; INFN, Padua) ; Rudolph, D (Lund U.) ; Labiche, M (Daresbury) ; Pereira-Lopez, X (York U., England) ; Afara, S (King Saud U.) ; Ameil, F (Darmstadt, GSI) et al.
Electric quadrupole matrix elements, Mp , for the Jπ=2+→0+ , ΔT=0 , T=1 transitions across the A=46 isobaric multiplet 46 Cr- 46 V- 46 Ti have been measured at GSI with the FRS-LYCCA-AGATA setup. This allows direct insight into the isospin purity of the states of interest by testing the linearity of Mp with respect to Tz . [...]
2019 - 6 p.
- Published in : Phys. Lett. B 797 (2019) 134835
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4.
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New spectroscopic information on $^{211,213}\mathrm{Tl}$: A changing structure beyond the $N=126$ shell closure
/ Gottardo, A (INFN, Legnaro ; Padua U.) ; Valiente-Dobón, J J (INFN, Legnaro) ; Benzoni, G (INFN, Milan) ; Morales, A I (INFN, Milan) ; Gadea, A (Valencia U., IFIC) ; Lunardi, S (Padua U. ; INFN, Padua) ; Boutachkov, P (Darmstadt, GSI) ; Bruce, A M (Brighton U.) ; Górska, M (Darmstadt, GSI) ; Grebosz, J (Cracow, INP) et al.
The neutron-rich isotopes $^{211,213}\mathrm{Tl}$, beyond the $N=126$ shell closure, have been studied for the first time in isomer $\gamma$-ray decay, exploiting the fragmentation of a primary uranium beam at the Fragment Separator-Rare Isotopes Investigation at GSI setup. The observed isomeric states in $^{211,213}\mathrm{Tl}$ show a deviation from the seniority-like scheme of $^{209}\mathrm{Tl}$. [...]
2019 - 7 p.
- Published in : Phys. Rev. C 99 (2019) 054326
Article from SCOAP3: PDF;
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5.
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Lifetimes and shape-coexisting states of $^{99}Zr$
/ Spagnoletti, P (West Scotland U.) ; Simpson, G (LPSC, Grenoble) ; Kisyov, S (Bucharest, IFIN-HH) ; Bucurescu, D (Bucharest, IFIN-HH) ; Régis, J M (Cologne U.) ; Saed-Samii, N (Cologne U.) ; Blanc, A (Laue-Langevin Inst.) ; Jentschel, M (Laue-Langevin Inst.) ; Köster, U (Laue-Langevin Inst.) ; Mutti, P (Laue-Langevin Inst.) et al.
Lifetimes of intermediate-spin states in two rotational bands of $^{99}Zr$ have been measured. These states were populated following the neutron-induced fission of $^{235}U$ at the PF1B beamline of the Institut Laue-Langevin, Grenoble, during the EXILL-FATIMA campaign. [...]
2019 - 11 p.
- Published in : Phys. Rev. C 100 (2019) 014311
Article from SCOAP3: PDF;
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6.
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New Isomers in the Full Seniority Scheme of Neutron-Rich Lead Isotopes: The Role of Effective Three-Body Forces
/ Gottardo, A (INFN, Legnaro ; Padua U.) ; Valiente-Dobon, J J (INFN, Legnaro) ; Benzoni, G (INFN, Milan) ; Nicolini, R (INFN, Milan ; Milan U.) ; Gadea, A (Valencia U., IFIC) ; Lunardi, S (Padua U. ; INFN, Padua) ; Boutachkov, P (Darmstadt, GSI) ; Bruce, A M (Sydney, U. Technol. ; Brighton U.) ; Gorska, M (Darmstadt, GSI) ; Grebosz, J (Cracow, INP) et al.
2012 - 5 p.
- Published in : Phys. Rev. Lett. 109 (2012) 162502
APS published version, local copy: PDF;
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7.
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Single-particle isomeric states in 121Pd and 117Ru
/ Lalkovski, S. (Sofiya U. ; Brighton U.) ; Bruce, A.M. (Brighton U.) ; Bacelar, A.M.Denis (Brighton U.) ; Gorska, M. (Darmstadt, GSI) ; Pietri, S. (Darmstadt, GSI ; Surrey U.) ; Podolyak, Zs. (Surrey U.) ; Bednarczyk, P. (Darmstadt, GSI) ; Caceres, L. (Darmstadt, GSI) ; Casarejos, E. (Santiago de Compostela U.) ; Cullen, I.J. (Surrey U.) et al.
Neutron-rich nuclei were populated in a relativistic fission of 238U. Gamma-rays with energies of 135 keV and 184 keV were associated with two isomeric states in 121Pd and 117Ru. [...]
arXiv:1112.0657.-
2011 - 5 p.
- Published in : J. Phys.: Conf. Ser. 366 (2012) 012029
Fulltext: PDF; External link: Preprint
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8.
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Shape Transition and Triaxiality in Neutron Rich Tungsten Nuclei
: isomer Spectroscopy of $^{190}{116}$
/ Podolyák, Z ; Regan, P H ; Pfützner, M ; Gerl, J ; Hellström, M ; Caamano, M ; Mayet, P ; Schlegel, C ; Aprahamian, A ; Benlliure, J et al.
http://www-dapnia.cea.fr/Doc/Publications/Archives/sphn-00-69.pdf
DAPNIA-SPHN-2000-69.
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2000. - 6 p.
Access to fulltext document - Access to fulltext document
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9.
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Observation Of The Z=n+1 Nuclei Sub(39)sup(77)y, Sub(40)sup(79)zr And Sub(42)sup(83)mo
/ Janas, Z ; Chandler, C ; Blank, B ; Regan, P H ; Bruce, A M ; Catford, W N ; Curtis, N ; Czajkowski, S ; Dessagne, P ; Fleury, A et al.
CENBG-9812.
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1998.
IN2P3 Publications database
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10.
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Gamow-Teller and Fermi decay of N=Z nuclei above A=70
/ Dessagne, P ; Applebe, D ; Axelsson, L ; Blank, B ; García-Borge, M J ; Bruce, A M ; Catford, W N ; Chandler, C ; Clark, R M ; Cullen, D M et al.
The study of the beta decay of some N=Z nuclei in the A=70 mass range have been performed using the GANIL and CERN/ISOLDE facilities. The fast decays of three T/sub x/=0 odd-odd nuclei have been measured for the first time which extend the number of superallowed transitions. [...]
1999
In : Conference on Experimental Nuclear Physics in Europe : Facing the Next Millennium, Seville, Spain, 21 - 26 Jun 1999, pp.79-82
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