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1.
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Spectroscopy of $^{187}$Tl: shape coexistence
/ Guo, C Y (Peking U., SKLNPT) ; Zhang, W Q (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Huang, H (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Zhang, S Q (Peking U., SKLNPT) ; Li, Z H (Peking U., SKLNPT) ; Liu, Z (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Hua, H (Peking U., SKLNPT) ; Luo, D W (Peking U., SKLNPT) ; Wu, H Y (Peking U., SKLNPT ; Beijing, Inst. Atomic Energy) ; Andreyev, A N (York U., England ; Jefferson Lab ; JAEA, Ibaraki) et al.
The prompt and delayed $\gamma $-ray spectra of $^{187}$Tl was studied via the $^{142}$Nd($^{50}$Cr, 3p2n)$^{187}$Tl fusion-evaporation reaction at a beam energy of 255 MeV. An enhanced level scheme of $^{187}$Tl was established. [...]
2024 - 10 p.
- Published in : Eur. Phys. J. A 60 (2024) 165
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2.
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First observation of the decay of the 13/24$^+$ isomer in $^{183}$Hg and B(M2) systematics of neutron transitions across the nuclear chart
/ Huang, H (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Zhang, W Q (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Andreyev, A N (York U., England, Dept. Math. ; JAEA, Ibaraki) ; Liu, Z (Lanzhou, Inst. Modern Phys. ; Beijing, GUCAS) ; Seweryniak, D (Argonne, PHY) ; Li, Z H (Peking U., SKLNPT) ; Guo, C Y (Peking U., SKLNPT) ; Barzakh, A E (St. Petersburg, INP) ; Van Duppen, P (KU Leuven, Dept. Phys. Astron.) ; Andel, B (Comenius U.) et al.
The decay of the 13/2$^+$ isomeric state in $^{183}$Hg was observed for the first time following the $\alpha$ decay of the 13/2$^+$ isomer in $^{187}$Pb produced in the $^{142}$Nd($^{50}$Cr, 2p3n) reaction. Using $\alpha - \gamma$ delayed coincidence measurements, the half-life of this isomer was measured to be 290(30) μs. [...]
2022 - 8 p.
- Published in : Phys. Lett. B 833 (2022) 137345
Fulltext: PDF;
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3.
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First observation of a shape isomer and a low-lying strongly-coupled prolate band in neutron-deficient semi-magic $^{187}$Pb
/ Zhang, W Q (Lanzhou, Inst. Modern Phys. ; CAS, Beijing) ; Andreyev, A N (York U., England ; JAERI, Tokai) ; Liu, Z (Lanzhou, Inst. Modern Phys. ; CAS, Beijing) ; Seweryniak, D (Argonne, PHY) ; Huang, H (Lanzhou, Inst. Modern Phys. ; CAS, Beijing) ; Li, Z H (Peking U., SKLNPT) ; Li, J G (Lanzhou, Inst. Modern Phys. ; Peking U., SKLNPT) ; Guo, C Y (Peking U., SKLNPT) ; Doherty, D T (Surrey U.) ; Barzakh, A E (St. Petersburg, INP) et al.
Prompt and delayed γ-ray spectroscopy of the neutron-deficient, semi-magic isotope 187Pb has been performed using the recoil-decay and isomer-decay tagging techniques at the Argonne Gas-Filled Analyzer. A new 5.15(15)-μs isomeric state at only 308 keV above the spherical 3/2− ground state is identified and classified as a shape isomer. [...]
2022 - 7 p.
- Published in : Phys. Lett. B 829 (2022) 137129
Publication: PDF;
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4.
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Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of $^{182}$Hg, $^{184}$Hg, $^{186}$Hg and $^{188}$Hg
/ Wrzosek-Lipska, K (Warsaw U., Heavy Ion Lab ; Leuven U.) ; Rezynkina, K (Leuven U. ; U. Strasbourg) ; Bree, N (Leuven U.) ; Zielińska, M (Warsaw U., Heavy Ion Lab ; IRFU, Saclay) ; Gaffney, L P (Liverpool U. ; Leuven U. ; CERN ; West Scotland U.) ; Petts, A (Liverpool U.) ; Andreyev, A (Leuven U. ; York U., England) ; Bastin, B (Leuven U. ; GANIL) ; Bender, M (Lyon, IPN) ; Blazhev, A (Cologne U.) et al.
The neutron-deficient mercury isotopes serve as a classical example of shape coexistence, whereby at low energy near-degenerate nuclear states characterized by different shapes appear. The electromagnetic structure of even-mass $^{182-188}$ Hg isotopes was studied using safe-energy Coulomb excitation of neutron-deficient mercury beams delivered by the REX-ISOLDE facility at CERN. [...]
2019 - 23 p.
- Published in : Eur. Phys. J. A 55 (2019) 130
Fulltext (Open Access version from publisher): PDF;
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5.
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Shape coexistence in neutron-deficient Hg isotopes studied via lifetime measurements in $^{184,186}$Hg and two-state mixing calculations
/ Gaffney, L.P. (Liverpool U. ; Leuven U.) ; Hackstein, M. (Cologne U.) ; Page, R.D. (Liverpool U.) ; Grahn, T. (Liverpool U. ; Jyvaskyla U.) ; Scheck, M. (Liverpool U. ; Darmstadt, Tech. Hochsch.) ; Butler, P.A. (Liverpool U.) ; Bertone, P.F. (Argonne) ; Bree, N. (Leuven U.) ; Carroll, R.J. (Liverpool U.) ; Carpenter, M.P. (Argonne) et al.
The neutron-deficient mercury isotopes, $^{184,186}$Hg, were studied with the Recoil Distance Doppler Shift (RDDS) method using the Gammasphere array and the K\"oln Plunger device. The Differential Decay Curve Method (DDCM) was employed to determine the lifetimes of the yrast states in $^{184,186}$Hg. [...]
arXiv:1401.5030.-
2014-02-11 - 8 p.
- Published in : Phys. Rev. C
Fulltext: PDF; External link: Preprint
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6.
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The ($t, p$) reaction on $^{66}$Ni
/ Kay, B P (Department of Physics, University of York, Heslington, York YO10 5DD, UK) ; Chiara, C J (Dept. of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742, USA and Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA) ; Raabe, R (Leuven U.) ; Andreyev, A N (Department of Physics, University of York, Heslington, York YO10 5DD, UK) ; Back, B B (Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA) ; Boston, A J (Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, UK) ; Butler, P A (Oliver Lodge Laboratory, University of Liverpool, Liverpool L69 7ZE, UK) ; Carpenter, M P (Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA) ; Catford, W N (Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, UK) ; Cederkall, J (Physics Department, Lund University, Box 118, SE-221 00 Lund, Sweden) et al.
CERN-INTC-2012-066 ; INTC-P-367.
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2012.
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7.
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Shape coexistence in the light francium isotopes: First implementation of alpha-tagged Coulomb excitation
/ Jenkins, D G (York U., England) ; Barton, C J (York U., England) ; Davies, P J (York U., England) ; Kay, B P (York U., England) ; Roberts, O J (York U., England) ; Vermeulen, M (York U., England) ; Wadsworth, R (York U., England) ; Flanagan, K T (Manchester U.) ; Freeman, S J (Manchester U.) ; Deacon, A N (Manchester U.) et al.
CERN-INTC-2010-076 ; INTC-P-287.
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2010.
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8.
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Letter of Intent to the ISOLDE and Neutron Time-of-Flight Experiments Committee for experiments with HIE-ISOLDE : Single-Particle Evolution and Test of Shell Models
/ Freeman, Sean J (Manchester U) ; Andreyev, A (West Scotland U.) ; Bildstein, V (Munich, Tech. U.) ; Butler, P A (Liverpool U.) ; Carpenter, M P (Argonne, CNM) ; Catford, W N (Surrey U.) ; Cederkall, J (Lund U.) ; Chapman, R (West Scotland U.) ; Di Julio, D (Lund U.) ; Hoffman, C R (Argonne, CNM) et al.
CERN-INTC-2010-029 ; INTC-I-097.
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2010.
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9.
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One-particle excitations outside the 54Ti semi-magic core : The 55V and 55Ti yrast structures
/ Zhu, S ; Janssens, R V F ; Fornal, B ; Freeman, S J ; Honma, M ; Broda, R ; Carpenter, M P ; Deacon, A N ; Kay, B P ; Kondev, F G et al.
2007
- Published in : Phys. Lett. B 650 (2007) 135-140
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10.
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Microsecond and nanosecond isomers populated in fission reactions
/ Jones, G A ; Walker, P M ; Podolyák, Z ; Regan, P H ; Williams, S J ; Carpenter, M P ; Carroll, J J ; Chakrawarthy, R S ; Chowdhury, P ; Cullen, I J et al.
2006
- Published in : AIP Conf. Proc.: 853 (2006) , pp. 342-349
External link: Published version from AIP
In : International Conference On Reaction Mechanisms And Nuclear Structure At The Coulomb Barrier, San Servolo, Italy, 19 - 23 Mar 2006, pp.342-349
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