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CERN Document Server Pronađeno je 38 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.63 sekundi 
1.
Spectroscopy of 187187Tl: 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 γγ-ray spectra of 187187Tl was studied via the 142142Nd(5050Cr, 3p2n)187187Tl fusion-evaporation reaction at a beam energy of 255 MeV. An enhanced level scheme of 187187Tl was established. [...]
2024 - 10 p. - Published in : Eur. Phys. J. A 60 (2024) 165
2.
On the nature of yrast states in neutron-rich polonium isotopes / IDS Collaboration
Polonium isotopes having two protons above the shell closure at Z=82Z=82 show a wide variety of low-lying high-spin isomeric states across the whole chain. [...]
arXiv:2407.03839.
- 6.
Fulltext
3.
β decay of the ground state and of a low-lying isomer in Bi216 / IDS Collaboration
A detailed β-decay study of the low- and high-spin states in Bi216 has been performed at the ISOLDE Decay Station at the CERN-ISOLDE facility. In total, 48 new levels and 83 new transitions in the β-decay daughter Po216 were identified. [...]
2024 - 18 p. - Published in : Phys. Rev. C 109 (2024) 064321 Fulltext: PDF;
4.
Half-life determination of 215215At and 221221Ra with high-purity radioactive ion beams / Bara, S (KU Leuven, Dept. Phys. Astron.) ; Jajčišinová, E (KU Leuven, Dept. Phys. Astron. ; Geel, JRC) ; Cocolios, T E (KU Leuven, Dept. Phys. Astron.) ; Andel, B (Comenius U.) ; Antalic, S (Comenius U.) ; Camaiani, A (Florence U. ; INFN, Florence ; KU Leuven, Dept. Phys. Astron.) ; Costache, C (Bucharest, IFIN-HH) ; Dockx, K (KU Leuven, Dept. Phys. Astron.) ; Farooq-Smith, G J (Edinburgh U. ; KU Leuven, Dept. Phys. Astron.) ; Kellerbauer, A (Geel, JRC) et al.
At CERN-ISOLDE, high-purity radioactive ion beams of 219219Fr and 221221RaF were investigated with αα-decay spectroscopy at the CRIS and ASET experiments in the course of three different experimental campaigns. The half-life of 215215At, αα-decay daughter of 219219Fr, is measured to be 36.3(3)[9]μs, and that of 221221Ra was determined to be 26.2(1)[6]s, both of which are well in line with the trends in this region of the nuclear landscape but at odds with some of the reported literature..
2024 - 8 p. - Published in : Appl. Radiat. Isot. 208 (2024) 111289 Fulltext: Preprint - PDF; Supplementary material - PDF;
5.
Deformation versus Sphericity in the Ground States of the Lightest Gold Isotopes / Cubiss, J G (York U., England) ; Andreyev, A N (York U., England ; JAEA, Ibaraki) ; Barzakh, A E (Unlisted) ; Van Duppen, P (KU Leuven, Dept. Phys. Astron.) ; Hilaire, S (CEA DAM) ; Péru, S (CEA DAM) ; Goriely, S (Brussels U., IAA) ; Al Monthery, M (York U., England) ; Althubiti, N A (Manchester U. ; Al Jouf U. ; Ain Shames U.) ; Andel, B (Comenius U.) et al.
The changes in mean-squared charge radii of neutron-deficient gold nuclei have been determined using the in-source, resonance-ionization laser spectroscopy technique, at the ISOLDE facility (CERN). From these new data, nuclear deformations are inferred, revealing a competition between deformed and spherical configurations. [...]
2023 - 8 p. - Published in : Phys. Rev. Lett. 131 (2023) 202501 Fulltext: PDF;
6.
Simultaneous <math><mi>γ</mi></math>-ray and electron spectroscopy of <math><mmultiscripts><mi>Hg</mi><mprescripts/><none/><mrow><mn>182</mn><mo>,</mo><mn>184</mn><mo>,</mo><mn>186</mn></mrow></mmultiscripts></math> isotopes / IDS Collaboration
Background: The mercury isotopes around N=104N=104 are a well-known example of nuclei exhibiting shape coexistence. Mixing of configurations can be studied by measuring the monopole strength ρ2(E0)ρ2(E0), however, currently the experimental information is scarce and lacks precision, especially for the IπIπIπIπ (I0I0) transitions. [...]
arXiv:2305.16442.- 2023-07-06 - 20 p. - Published in : Phys. Rev. C 108 (2023) 014308 Fulltext: Publication - PDF; 2305.16442 - PDF;
7.
First observation of the decay of the 13/24++ isomer in 183183Hg 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 183183Hg was observed for the first time following the αα decay of the 13/2++ isomer in 187187Pb produced in the 142142Nd(5050Cr, 2p3n) reaction. Using αγαγ 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;
8.
First observation of a shape isomer and a low-lying strongly-coupled prolate band in neutron-deficient semi-magic 187187Pb / 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;
9.
Producing gold at ISOLDE-CERN / Barzakh, A E (St. Petersburg, INP) ; Andreyev, A N (York U., England ; JAERI, Tokai) ; Atanasov, D (Heidelberg, Max Planck Inst.) ; Cubiss, J G (York U., England) ; Harding, R D (York U., England ; CERN) ; Al Monthery, M (York U., England) ; Althubiti, N A (Manchester U. ; Al Jouf U.) ; Andel, B (Comenius U. ; Leuven U.) ; Antalic, S (Comenius U.) ; Ballof, J (CERN ; Mainz U., Inst. Kernchem.) et al.
The yield of 18 ion beams of radioactive gold nuclei produced in the thick uranium target at ISOLDE (CERN) by 1.4-GeV protons was measured. The production-efficiency dependence on the half-life (efficiency curve) was derived using the in-target production calculations by the FLUKA-CERN code. [...]
2022 - 7 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 513 (2022) 26-32
10.
Charge radii, moments, and masses of mercury isotopes across the N=126N=126 shell closure / Goodacre, T. Day (Manchester U. ; TRIUMF ; CERN) ; Afanasjev, A.V. (Mississippi State U.) ; Barzakh, A.E. (St. Petersburg, INP) ; Nies, L. (CERN ; Greifswald U.) ; Marsh, B.A. (CERN) ; Sels, S. (CERN ; Leuven U.) ; Perera, U.C. (Mississippi State U.) ; Ring, P. (Munich, Tech. U.) ; Wienholtz, F. (CERN ; Greifswald U.) ; Andreyev, A.N. (York U., England ; JAERI, Tokai) et al.
Combining laser spectroscopy in a Versatile Arc Discharge and Laser Ion Source, with Penning-trap mass spectrometry at the CERN-ISOLDE facility, this work reports on mean-square charge radii of neutron-rich mercury isotopes across the N=126N=126 shell closure, the electromagnetic moments of 207207Hg and more precise mass values of 206208206208Hg. The odd-even staggering (OES) of the mean square charge radii and the kink at N=126N=126 are analyzed within the framework of covariant density functional theory (CDFT), with comparisons between different functionals to investigate the dependence of the results on the underlying single-particle structure. [...]
arXiv:2111.10468.- 2021-11-30 - 20 p. - Published in : Phys. Rev. C 104 (2021) 054322 Fulltext: PDF;

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