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CERN Document Server 2,044 records found  1 - 10nextend  jump to record: Search took 0.26 seconds. 
1.
(100)
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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2.
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Shell structure of potassium isotopes deduced from their magnetic moments / IS484 collaboration
$\textbf{Background:}$ Ground-state spins and magnetic moments are sensitive to the nuclear wave function, thus they are powerful probes to study the nuclear structure of isotopes far from stability. \\ \\ $\textbf{Purpose:}$ Extend our knowledge about the evolution of the $1/2^+$ and $3/2^+$ states for K isotopes beyond the $N = 28$ shell gap. [...]
arXiv:1410.0895; CERN-ISOLDE-2015-007; CERN-ISOLDE-2015-007.- 2014-09-29 - 12 p. - Published in : Phys. Rev. C 90 (2014) 034321 Fulltext: PDF; External link: Preprint
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3.
(86)
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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4.
(80)
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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5.
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Study of Neutron-Deficient $^{202-205}$Fr Isotopes with Collinear Resonance Ionization Spectroscopy / De Schepper, Stijn
The scope of this master’s thesis is the study of neutron-deficient $^{202−205}$Fr isotopes [...]
CERN-THESIS-2013-235 - 66 p.

Fulltext
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6.
(46)
Refining the nuclear mass surface with the mass of $^{103}$Sn / Nies, L. (CERN ; Greifswald U.) ; Atanasov, D. (LP2I, Bordeaux) ; Athanasakis-Kaklamanakis, M. (CERN ; Leuven U.) ; Au, M. (CERN ; Mainz U.) ; Bernerd, C. (CERN) ; Blaum, K. (Heidelberg, Max Planck Inst.) ; Chrysalidis, K. (CERN) ; Fischer, P. (Greifswald U.) ; Heinke, R. (CERN) ; Klink, C. (CERN ; Darmstadt, Tech. U.) et al.
Mass measurements with the ISOLTRAP mass spectrometer at CERN-ISOLDE improve mass uncertainties of neutron-deficient tin isotopes towards doubly-magic $^{100}$Sn. The mass uncertainty of $^{103}$Sn was reduced by a factor of 4, and the new value for the mass excess of -67104(18) keV is compared with nuclear \textit{ab initio} and density functional theory calculations. [...]
arXiv:2410.17995.- 2025-01-09 - 13 p. - Published in : Phys. Rev. C 111 (2025) 014315 Fulltext: PDF;
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7.
(45)
Measurement of the $\beta$-asymmetry parameter of $^{67}$Cu in search for tensor type currents in the weak interaction / Soti, G. (Leuven U.) ; Wauters, F. (Leuven U.) ; Breitenfeldt, M. (Leuven U.) ; Finlay, P. (Leuven U.) ; Herzog, P. (Bonn U., HISKP) ; Knecht, A. (Leuven U. ; CERN) ; Köster, U. (Laue-Langevin Inst.) ; Kraev, I.S. (Leuven U.) ; Porobic, T. (Leuven U.) ; Prashanth, P.N. (Leuven U.) et al.
Precision measurements at low energy search for physics beyond the Standard Model in a way complementary to searches for new particles at colliders. In the weak sector the most general $\beta$ decay Hamiltonian contains, besides vector and axial-vector terms, also scalar, tensor and pseudoscalar terms. [...]
arXiv:1409.1824.- 2014-09-25 - 15 p. - Published in : Phys. Rev. C 90 (2014) 035502 Fulltext: PDF; External link: Preprint
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8.
(45)
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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9.
(40)
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 $N=104$ are a well-known example of nuclei exhibiting shape coexistence. Mixing of configurations can be studied by measuring the monopole strength $\rho^2(E0)$, however, currently the experimental information is scarce and lacks precision, especially for the $I^\pi \rightarrow I^\pi$ ($I \neq 0$) transitions. [...]
arXiv:2305.16442.- 2023-07-06 - 20 p. - Published in : Phys. Rev. C 108 (2023) 014308 Fulltext: Publication - PDF; 2305.16442 - PDF;
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10.
(39)
Quadrupole moment of $^{203}$Fr / Wilkins, S G (Manchester U.) ; Lynch, K M (CERN) ; Billowes, J (Manchester U.) ; Binnersley, C L (Manchester U.) ; Bissell, M L (Manchester U.) ; Cocolios, T E (KU Leuven, Dept. Phys. Astron.) ; Day Goodacre, T (Manchester U. ; CERN) ; de Groote, R P (KU Leuven, Dept. Phys. Astron.) ; Farooq-Smith, G J (KU Leuven, Dept. Phys. Astron.) ; Flanagan, K T (Manchester U.) et al.
The spectroscopic electric quadrupole moment of the neutron-deficient francium isotope 203Fr was measured by using high-resolution collinear resonance ionization spectroscopy (CRIS) at the CERN Isotope Separation OnLine Device (ISOLDE) facility. A remeasurement of the 207Fr quadrupole moment was also performed, resulting in a departure from the established literature value. [...]
2017 - 6 p. - Published in : Phys. Rev. C 96 (2017) 034317 Fulltext: PDF;
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