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Combined high-resolution laser spectroscopy and nuclear decay spectroscopy for the study of the low-lying states in $^{206}$Fr, $^{202}$At, and $^{198}$Bi
/ Lynch, K M (CERN ; Leuven U.) ; Cocolios, T E (Leuven U. ; Manchester U.) ; Billowes, J (Manchester U.) ; Bissell, M L (Leuven U. ; Manchester U.) ; Budinčević, I (Leuven U.) ; Day Goodacre, T (Manchester U. ; CERN) ; de Groote, R P (Leuven U.) ; Farooq-Smith, G J (Leuven U. ; Manchester U.) ; Fedosseev, V N (CERN) ; Flanagan, K T (Manchester U.) et al.
High-resolution laser spectroscopy was performed on $^{206}$Fr with the collinear resonance ionization spectroscopy (CRIS) experiment at CERN-ISOLDE. The hyperfine structure and isotope shift of the ground, first isomeric and second isomeric states were measured. [...]
2016 - 9 p.
- Published in : Phys. Rev. C 93 (2016) 014319
APS Open Access article: PDF;
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A dedicated decay-spectroscopy station for the collinear resonance ionization experiment at ISOLDE
/ Rajabali, M.M (Leuven U.) ; Billowes, J (Manchester U.) ; Bissell, M.L (Leuven U.) ; Cocolios, T.E (CERN) ; De Schepper, S (Leuven U.) ; Dewolf, K (Leuven U.) ; Flanagan, K.T (Manchester U.) ; Le Blanc, F (Orsay, IPN ; Orsay, LPT) ; Lynch, K.M (Manchester U ; CERN) ; Marsh, B.A (CERN) et al.
A new decay-spectroscopy station (DSS) has been developed to be coupled to the collinear resonance ionization spectroscopy (CRIS) beam line at CERN-ISOLDE. The system uses a rotatable wheel with ten 20@mg/cm^2 carbon foils as beam implantation sites for the efficient measurement of charged decay products. [...]
2013 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 707 (2013) 35-39
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Laser-assisted nuclear decay spectroscopy of $^{176,177,179}$Au
/ Harding, R D (York U., England ; CERN) ; Andreyev, A N (York U., England ; JAERI, Tokai) ; Barzakh, A E (St. Petersburg, INP) ; Cubiss, J G (York U., England) ; Van Duppen, P (Leuven U.) ; Al Monthery, M (York U., England) ; Althubiti, N A (Manchester U.) ; Andel, B (Leuven U. ; Comenius U.) ; Antalic, S (Comenius U.) ; Cocolios, T E (Leuven U. ; Manchester U.) et al.
A study of the laser-ionized and mass-separated neutron-deficient isotopes $^{176,177,179}$Au was performed using the Resonance Ionization Laser Ion Source and the Windmill detection setup at ISOLDE, CERN. New and improved data on complex fine-structure α decays of the three isotopes were deduced, providing insight into the low-lying levels in the daughter nuclei $^{172,173,175}$Ir. [...]
2021 - 16 p.
- Published in : Phys. Rev. C 104 (2021) 024326
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Laser-assisted decay spectroscopy for the ground states of $^{180,182}$Au
/ Harding, R D (CERN ; York U., England) ; Andreyev, A N (York U., England ; JAERI, Tokai) ; Barzakh, A E (St. Petersburg, INP) ; Atanasov, D (Heidelberg, Max Planck Inst.) ; Cubiss, J G (York U., England) ; Van Duppen, P (Leuven U.) ; Al Monthery, M (York U., England) ; Althubiti, N A (Manchester U.) ; Andel, B (Leuven U. ; Comenius U.) ; Antalic, S (Comenius U.) et al.
A study of the ground states of the laser-ionized and mass-separated odd-odd isotopes $^{180,182}$Au was performed using the Resonance Ionization Laser Ion Source, Windmill detection setup and ISOLTRAP Multi-Reflection Time-of-Flight Mass Spectrometer at ISOLDE, CERN. A complex fine-structure α-decay pattern of $^{180}$Au was deduced, providing insight into the low-lying levels in the daughter nucleus $^{176}Ir$. [...]
2020 - 16 p.
- Published in : Phys. Rev. C 102 (2020) 024312
Fulltext from publisher: PDF;
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Probing the $_{31}\mathrm{Ga}$ ground-state properties in the region near $Z=28$ with high-resolution laser spectroscopy
/ Farooq-Smith, G J (KU Leuven, Dept. Phys. Astron. ; Manchester U.) ; Vernon, A R (Manchester U.) ; Billowes, J (Manchester U.) ; Binnersley, C L (Manchester U.) ; Bissell, M L (Manchester U.) ; Cocolios, T E (KU Leuven, Dept. Phys. Astron. ; Manchester U.) ; Day Goodacre, T (Manchester U. ; CERN) ; de Groote, R P (KU Leuven, Dept. Phys. Astron.) ; Flanagan, K T (Manchester U.) ; Franchoo, S (Orsay, IPN) et al.
Magnetic-dipole and electric-quadrupole moments for $^{65,67,69,75,79–82}\mathrm{Ga}$ are reported using the Collinear Resonance Ionization Spectroscopy (CRIS) technique at the ISOLDE facility, CERN. The moments of $^{65}\mathrm{Ga}$ have been measured for the first time: $\mu =+1.775(3)\mu_N$ and $Q_s=+21.0(15)e\mathrm{fm}2$. [...]
2017 - 9 p.
- Published in : Phys. Rev. C 96 (2017) 044324
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Decay-Assisted Laser Spectroscopy of Neutron-Deficient Francium
/ Lynch, K.M. (Manchester U. ; CERN ; Leuven U.) ; Billowes, J. (Manchester U.) ; Bissell, M.L. (Leuven U.) ; Budincevic, I. (Leuven U.) ; Cocolios, T.E. (Manchester U. ; CERN) ; De Groote, R.P. (Leuven U.) ; De Schepper, S. (Leuven U.) ; Fedosseev, V.N. (CERN) ; Flanagan, K.T. (Manchester U.) ; Franchoo, S. (Orsay, IPN) et al.
This paper reports on the hyperfine-structure and radioactive-decay studies of the neutron-deficient francium isotopes $^{202-206}$Fr performed with the Collinear Resonance Ionization Spectroscopy (CRIS) experiment at the ISOLDE facility, CERN. The high resolution innate to collinear laser spectroscopy is combined with the high efficiency of ion detection to provide a highly-sensitive technique to probe the hyperfine structure of exotic isotopes. [...]
arXiv:1402.4266.-
2014-03-28 - 15 p.
- Published in : Phys. Rev. X 4 (2014) 011055
APS Open Access article: PDF; Fulltext: PDF; External link: Preprint
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Use of a Continuous Wave Laser and Pockels Cell for Sensitive High-Resolution Collinear Resonance Ionization Spectroscopy
/ de Groote, R P (Leuven U.) ; Budinčević, I (Leuven U.) ; Billowes, J (Manchester U.) ; Bissell, M L (Leuven U. ; Manchester U.) ; Cocolios, T E (Manchester U.) ; Farooq-Smith, G J (Manchester U.) ; Fedosseev, V N (CERN) ; Flanagan, K T (Manchester U.) ; Franchoo, S (Orsay, IPN) ; Garcia Ruiz, R F (Leuven U.) et al.
New technical developments have led to a 2 orders of magnitude improvement of the resolution of the collinear resonance ionization spectroscopy (CRIS) experiment at ISOLDE, CERN, without sacrificing the high efficiency of the CRIS technique. Experimental linewidths of 20(1) MHz were obtained on radioactive beams of francium, allowing us for the first time to determine the electric quadrupole moment of the short lived [t1/2=22.0(5) ms] Fr219 Qs=-1.21(2) eb, which would not have been possible without the advantages offered by the new method. [...]
2015 - 6 p.
- Published in : Phys. Rev. Lett. 115 (2015) 132501
APS Open Access article: PDF;
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$^{61}$Cr as a Doorway to the $N = 40$ Island of Inversion
/ Lalanne, L. (Leuven U. ; CERN ; Strasbourg, IPHC) ; Athanasakis-Kaklamanakis, M. (Leuven U. ; CERN) ; Dao, D.D. (Strasbourg, IPHC) ; Koszorús, Á. (Leuven U.) ; Liu, Y.C. (Peking U., SKLNPT) ; Mancheva, R. (Leuven U. ; CERN) ; Nowacki, F. (Strasbourg, IPHC) ; Reilly, J. (Manchester U.) ; Bernerd, C. (CERN) ; Chrysalidis, K. (CERN) et al.
This paper reports on the measurement of the ground-state spin and nuclear magnetic dipole moment of $^{61}$Cr. [...]
arXiv:2409.07324.
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Laser-spectroscopy studies of the nuclear structure of neutron-rich radium
/ Lynch, K M (CERN) ; Wilkins, S G (Manchester U.) ; Billowes, J (Manchester U.) ; Binnersley, C L (Manchester U.) ; Bissell, M L (Manchester U.) ; Chrysalidis, K (CERN) ; Cocolios, T E (Leuven U.) ; Day Goodacre, T (Manchester U. ; CERN) ; de Groote, R P (Leuven U.) ; Farooq-Smith, G J (Leuven U.) et al.
The neutron-rich radium isotopes, Ra222−233, were measured with Collinear Resonance Ionization Spectroscopy (CRIS) at the ISOLDE facility, CERN. The hyperfine structure of the 7s2S01→7s7pP13 transition was probed, allowing measurement of the magnetic moments, quadrupole moments, and changes in mean-square charge radii. [...]
2018 - 9 p.
- Published in : Phys. Rev. C 97 (2018) 024309
Fulltext: PDF; Fulltext from Publisher: PDF;
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