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Decay modes of the $9/2^-$ isomeric state in $^{183}$Tl
/ Venhart, M (Bratislava, Inst. Phys.) ; Andreyev, A N (JAERI, Tokai ; York U., England) ; Cubiss, J G (York U., England) ; Wood, J L (Georgia Tech., Atlanta) ; Barzakh, A E (St. Petersburg, INP) ; Van Beveren, C (Leuven U.) ; Cocolios, T E (Leuven U.) ; de Groote, R P (Leuven U.) ; Fedorov, D V (St. Petersburg, INP) ; Fedosseev, V N (CERN) et al.
The internal transition decay and α decay of the $T_{1/2} = 53.3$ ms, $9/2^-$ isomeric state in the neutron-deficient isotope, $^{183}$Tl, have been studied using the Resonance Ionization Laser Ion Source and the Windmill detection setup at the ISOLDE facility at CERN. Clean samples of $^{183}$Tl were produced by selective laser ionization and subsequent mass separation. [...]
2022 - 9 p.
- Published in : Phys. Rev. C 105 (2022) 034338
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2.
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Internal decay of the (10$^{-}$) intruder state in $^{184}$TI
/ Van Beveren, C (Leuven U.) ; Andreyev, A N (York U., England ; JAEA, Ibaraki) ; Barzakh, A E (St. Petersburg, INP) ; Cocolios, T E (CERN ; Manchester U.) ; Fedorov, D (St. Petersburg, INP) ; Fedosseev, V N (CERN) ; Ferrer, R (Leuven U.) ; Huyse, M (Leuven U.) ; Köster, U (Laue-Langevin Inst.) ; Lane, J (Paisley U.) et al.
Decay spectroscopy of $^{184}$TI has been performed at the CERN Isotope Separator On-Line (ISOLDE) facility. An excitation energy of 506.1(1) keV and a half-life of 47.1(7) ms of the intruder based (10−) state have been extracted. [...]
APS, 2015 - 8 p.
- Published in : Phys. Rev. C 92 (2015) 014325
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3.
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α -decay properties of $^{200,202}$FR
/ Ghys, L (Leuven U. ; SCK-CEN, Mol) ; Andreyev, A N (York U., England ; JAEA, Ibaraki) ; Huyse, M (Leuven U.) ; Van Duppen, P (Leuven U.) ; Antalic, S (Comenius U.) ; Barzakh, A (St. Petersburg, INP) ; Capponi, L (West Scotland U.) ; Cocolios, T E (Leuven U. ; CERN ; Manchester U.) ; Cubiss, J (York U., England) ; Derkx, X (West Scotland U. ; ENSICAEN) et al.
Background: The neutron-deficient lead region provides a range of nuclear phenomena, including isomerism at low energies. This phenomenon can be studied by α decay because the degree of hindrance of α decay provides information on the change in nuclear structure of connected states. [...]
2019 - 13 p.
- Published in : Phys. Rev. C 100 (2019) 054310
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4.
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Inverse odd-even staggering in nuclear charge radii and possible octupole collectivity in $^{217,218,219}\mathrm{At}$ revealed by in-source laser spectroscopy
/ Barzakh, A E (St. Petersburg, INP) ; Cubiss, J G (York U., England) ; Andreyev, A N (York U., England ; JAEA, Ibaraki ; CERN) ; Seliverstov, M D (St. Petersburg, INP ; York U., England) ; Andel, B (Comenius U.) ; Antalic, S (Comenius U.) ; Ascher, P (Heidelberg, Max Planck Inst.) ; Atanasov, D (Heidelberg, Max Planck Inst.) ; Beck, D (Darmstadt, GSI) ; Bieroń, J (Jagiellonian U.) et al.
Hyperfine-structure parameters and isotope shifts for the 795-nm atomic transitions in $^{217,218,219}$At have been measured at CERN-ISOLDE, using the in-source resonance-ionization spectroscopy technique. Magnetic dipole and electric quadrupole moments, and changes in the nuclear mean-square charge radii, have been deduced. [...]
2019 - 9 p.
- Published in : Phys. Rev. C 99 (2019) 054317
Article from SCOAP3: PDF;
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5.
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Charge radii and electromagnetic moments of $^{195–211}$At
/ Cubiss, J G (York U., England) ; Barzakh, A E (St. Petersburg, INP) ; Seliverstov, M D (York U., England ; St. Petersburg, INP) ; Andreyev, A N (York U., England ; JAEA, Ibaraki ; Paisley U. ; CERN) ; Andel, B (Comenius U.) ; Antalic, S (Comenius U.) ; Ascher, P (Heidelberg, Max Planck Inst.) ; Atanasov, D (Heidelberg, Max Planck Inst.) ; Beck, D (Darmstadt, GSI) ; Bieroń, J (Jagiellonian U.) et al.
Hyperfine-structure parameters and isotope shifts of At195–211 have been measured for the first time at CERN-ISOLDE, using the in-source resonance-ionization spectroscopy method. The hyperfine structures of isotopes were recorded using a triad of experimental techniques for monitoring the photo-ion current. [...]
2018 - 19 p.
- Published in : Phys. Rev. C 97 (2018) 054327
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6.
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Change in structure between the $I = 1/2$ states in $^{181}$Tl and $^{177,179}$Au
/ Cubiss, J G (York U., England ; CERN) ; Barzakh, A E (Kurchatov Inst., Moscow) ; Andreyev, A N (York U., England ; JAERI, Tokai ; CERN) ; Al Monthery, M (York U., England) ; Althubiti, N (Manchester U.) ; Andel, B (Comenius U.) ; Antalic, S (Comenius U.) ; Atanasov, D (Heidelberg, Max Planck Inst.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Cocolios, T E (Leuven U. ; Manchester U. ; CERN) et al.
The first accurate measurements of the $\alpha$-decay branching ratio and half-life of the $I^{\pi}=1/2^+$ ground state in $^{181}$Tl have been made, along with the first determination of the magnetic moments and $I=1/2$ spin assignments of the ground states in $^{177,179}$Au. The results are discussed within the complementary systematics of the reduced $\alpha$-decay widths and nuclear $g$ factors of low-lying, $I^{\pi}=1/2^+$ states in the neutron-deficient lead region. [...]
2018 - 9 p.
- Published in : Phys. Lett. B 786 (2018) 355-363
Article from SCOAP3: PDF;
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7.
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Detailed $\alpha$-decay study of $^{180}\mathrm{Tl}$
/ Andel, B (Comenius U.) ; Andreyev, A N (York U., England ; JAEA, Ibaraki ; CERN) ; Antalic, S (Comenius U.) ; Barzakh, A (St. Petersburg, INP) ; Bree, N (Leuven U.) ; Cocolios, T E (Leuven U. ; CERN) ; Comas, V F (Darmstadt, GSI) ; Diriken, J (Leuven U.) ; Elseviers, J (Leuven U.) ; Fedorov, D V (St. Petersburg, INP) et al.
A detailed $\alpha$-decay spectroscopy study of $^{180}\mathrm{Tl}$ has been performed at ISOLDE (CERN). $Z$-selective ionization by the Resonance Ionization Laser Ion Source (RILIS) coupled to mass separation provided a high-purity beam of $^{180}\mathrm{Tl}$. [...]
2017 - 11 p.
- Published in : Phys. Rev. C 96 (2017) 054327
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8.
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Changes in mean-squared charge radii and magnetic moments of $^{179–184}$Tl measured by in-source laser spectroscopy
/ Barzakh, A E ; Andreyev, A N (York U., England ; JAERI, Tokai) ; Cocolios, T E (KU Leuven, Dept. Phys. Astron. ; CERN) ; de Groote, R P (KU Leuven, Dept. Phys. Astron.) ; Fedorov, D V ; Fedosseev, V N (CERN) ; Ferrer, R (KU Leuven, Dept. Phys. Astron.) ; Fink, D A (CERN) ; Ghys, L (KU Leuven, Dept. Phys. Astron. ; SCK-CEN, Mol) ; Huyse, M (KU Leuven, Dept. Phys. Astron.) et al.
Hyperfine structure and isotope shifts have been measured for the ground and isomeric states in the neutron-deficient isotopes $^{179–184}Tl$ using the 276.9-nm transition. The experiment has been performed at the CERN-Isotope Separator On-Line facility using the in-source resonance-ionization laser spectroscopy technique. [...]
2017 - 12 p.
- Published in : Phys. Rev. C 95 (2017) 014324
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9.
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Shape coexistence studied in ${}^{\mathrm{182,184}}$Hg via the β decay of ${}^{\mathrm{182,184}}$Tl
/ Rapisarda, E (Leuven U. ; PSI, Villigen) ; Andreyev, A N (York U., England) ; Antalic, S (Comenius U.) ; Barzakh, A (St. Petersburg, INP) ; Cocolios, T E (Leuven U.) ; Darby, I G (Leuven U.) ; Groote, R De (Leuven U.) ; De Witte, H (Leuven U.) ; Diriken, J (Leuven U.) ; Elseviers, J (Leuven U.) et al.
The ${\beta }^{+}$/EC decay of ${}^{\mathrm{182,184}}$Tl to excited states in the daughter nuclei ${}^{\mathrm{182,184}}$Hg has been investigated at the CERN on-line isotope mass separator facility. In both Tl nuclei two β-decaying states were observed. [...]
2017 - 17 p.
- Published in : J. Phys. G 44 (2017) 074001
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10.
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$\alpha$-decay study of $^{182,184}$Tl
/ Van Beveren, C (Leuven U.) ; Andreyev, A N (York U., England ; JAEA, Ibaraki) ; Barzakh, A E (St. Petersburg, INP) ; Cocolios, T E (CERN ; Manchester U.) ; de Groote, R P (Leuven U.) ; Fedorov, D (St. Petersburg, INP) ; Fedosseev, V N (CERN) ; Ferrer, R (Leuven U.) ; Ghys, L (Leuven U. ; SCK-CEN, Mol) ; Huyse, M (Leuven U.) et al.
α -decay spectroscopy of 182,184 Tl has been performed at the CERN isotope separator on-line ( ISOLDE ) facility. New fi ne-structure α decays have been observed for both isotopes. [...]
2016 - 23 p.
- Published in : J. Phys. G 43 (2016) 025102
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