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1.
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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
Fulltext: PDF;
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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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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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4.
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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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5.
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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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6.
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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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7.
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First results from the CRIS experiment
/ Flanagan, K T ; Billowes, J ; Bissell, M L ; Budincevic, I ; Cocolios, T E ; de Groote, R P ; Schepper, S ; Fedosseev, V N (CERN) ; Franchoo, S ; Garcia Ruiz, R F et al.
2014 - 7 p.
- Published in : Hyperfine Interact. 227 (2014) 131-137
In : 9th International Workshop on Application of Lasers and Storage Devices in Atomic Nuclei Research: Recent Achievements and Future Prospects, Poznan, Poland, 13 – 16 May 2013, pp.131-137
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8.
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Laser spectroscopy of francium isotopes at the borders of the region of reflection asymmetry
/ Budinčević, I. (KU Leuven, Dept. Phys. Astron.) ; Billowes, J. (Manchester U.) ; Bissell, M.L. (KU Leuven, Dept. Phys. Astron.) ; Cocolios, T.E. (Manchester U.) ; de Groote, R.P. (KU Leuven, Dept. Phys. Astron.) ; De Schepper, S. (KU Leuven, Dept. Phys. Astron.) ; Fedosseev, V.N. (CERN) ; Flanagan, K.T. (Manchester U.) ; Franchoo, S. (Orsay, IPN) ; Garcia Ruiz, R.F. (KU Leuven, Dept. Phys. Astron.) et al.
The magnetic dipole moments and changes in mean-square charge radii of the neutron-rich $^{218m,219,229,231}\text{Fr}$ isotopes were measured with the newly-installed Collinear Resonance Ionization Spectroscopy (CRIS) beam line at ISOLDE, CERN, probing the $7s~^{2}S_{1/2}$ to $8p~^{2}P_{3/2}$ atomic transition. The $\delta\langle r^{2}\rangle^{A,221}$ values for $^{218m,219}\text{Fr}$ and $^{229,231}\text{Fr}$ follow the observed increasing slope of the charge radii beyond $N~=~126$. [...]
arXiv:1407.0563.-
2014-07-23 - 9 p.
- Published in : Phys. Rev. C 90 (2014) 014317
Fulltext: PDF; External link: Preprint
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9.
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Collinear Resonance Ionization Spectroscopy of Neutron-Deficient Francium Isotopes
/ Flanagan, K T (Manchester U.) ; Franchoo, S (Orsay, IPN) ; Ruiz, R F Garcia (Leuven U.) ; Budincevic, I (Leuven U.) ; Procter, T J (Manchester U.) ; Fedosseev, V N (CERN) ; Lynch, K M (Manchester U. ; CERN) ; Cocolios, T E (Manchester U. ; CERN) ; Marsh, B A (CERN) ; Neyens, G (Leuven U.) et al.
The magnetic moments and isotope shifts of the neutron-deficient francium isotopes Fr202-205 were measured at ISOLDE-CERN with use of collinear resonance ionization spectroscopy. A production-to-detection efficiency of 1\% was measured for Fr-202. [...]
2013
- Published in : Phys. Rev. Lett. 111 (2013) 212501
APS Published version, local copy: PDF;
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10.
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The Collinear Resonance Ionization Spectroscopy (CRIS) experimental setup at CERN-ISOLDE
/ Cocolios, T E (Manchester U. ; CERN) ; Neyens, G (Louvain U.) ; Procter, T J (Manchester U.) ; Rothe, S (CERN ; Mainz U., Inst. Phys.) ; Garcia Ruiz, R F (Louvain U.) ; Stroke, H H (New York U.) ; Rossel, R E (CERN ; Mainz U., Inst. Phys.) ; Heylen, H (Louvain U.) ; Franchoo, S (Orsay, IPN) ; Marsh, B A (CERN) et al.
The CRIS setup at CERN-ISOLDE is a laser spectroscopy experiment dedicated to the high-resolution study of the spin, hyperfine structure and isotope shift of radioactive nuclei with low production rates (a few per second). It combines the Doppler-free resolution of the in-flight collinear geometry with the high detection efficiency of resonant ionisation. [...]
2013
- Published in : Nucl. Instrum. Methods Phys. Res., B 317 (2013) 565-569
In : 16th International Conference on Electromagnetic Isotope Separators and Techniques Related to their Applications, Matsue, Japan, 2 - 7 Dec 2012, pp.565-569
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