R
R. F. Garcia Ruiz
Researcher at Massachusetts Institute of Technology
Publications - 96
Citations - 1988
R. F. Garcia Ruiz is an academic researcher from Massachusetts Institute of Technology. The author has contributed to research in topics: Neutron & Hyperfine structure. The author has an hindex of 21, co-authored 81 publications receiving 1260 citations. Previous affiliations of R. F. Garcia Ruiz include CERN & University of Manchester.
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Journal ArticleDOI
Unexpectedly large charge radii of neutron-rich calcium isotopes
R. F. Garcia Ruiz,Mark Bissell,Mark Bissell,Klaus Blaum,Andreas Ekström,Andreas Ekström,N. Frömmgen,Gaute Hagen,M. Hammen,Kai Hebeler,Jason D. Holt,Gustav R. Jansen,Gustav R. Jansen,Magda Kowalska,K. Kreim,Witold Nazarewicz,Witold Nazarewicz,Witold Nazarewicz,Rainer Neugart,Gerda Neyens,Wilfried Nörtershäuser,Wilfried Nörtershäuser,Thomas Papenbrock,Thomas Papenbrock,J. Papuga,Achim Schwenk,Achim Schwenk,J. Simonis,Klaus Wendt,Klaus Wendt,Deyan T. Yordanov,Deyan T. Yordanov +31 more
TL;DR: In this article, the authors present the first measurements of the charge radii of 49,51,52Ca, obtained from laser spectroscopy experiments at ISOLDE, CERN.
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Laser Spectroscopy of Neutron-Rich Tin Isotopes: A Discontinuity in Charge Radii across the N=82 Shell Closure
C. Gorges,L. V. Rodríguez,D. L. Balabanski,Mark Bissell,Klaus Blaum,Bradley Cheal,R. F. Garcia Ruiz,Georgi Georgiev,W. Gins,H. Heylen,A. Kanellakopoulos,S. Kaufmann,Magda Kowalska,V. Lagaki,S. Lechner,B. Maaß,S. Malbrunot-Ettenauer,Witold Nazarewicz,Rainer Neugart,Gerda Neyens,Wilfried Nörtershäuser,Paul-Gerhard Reinhard,S. Sailer,R. Sánchez,Stefan E. Schmidt,L. Wehner,C. Wraith,L. Xie,Ziye Xu,Xiaofei Yang,Deyan Yordanov +30 more
TL;DR: It is demonstrated that a recently developed Fayans energy density functional provides a coherent description of the kinks at both doubly magic nuclei, ^{132}Sn and ^{208}Pb, without sacrificing the overall performance.
Journal ArticleDOI
Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of N = 32
Á. Koszorús,Á. Koszorús,Xiaofei Yang,Xiaofei Yang,W. G. Jiang,W. G. Jiang,W. G. Jiang,S. J. Novario,S. J. Novario,S. W. Bai,J. Billowes,C. L. Binnersley,Mark Bissell,Thomas Elias Cocolios,B. S. Cooper,R. P. de Groote,R. P. de Groote,Andreas Ekström,Kieran Flanagan,Christian Forssén,S. Franchoo,R. F. Garcia Ruiz,R. F. Garcia Ruiz,Fredrik Gustafsson,Gaute Hagen,Gustav R. Jansen,A. Kanellakopoulos,Markus Kortelainen,Markus Kortelainen,Witold Nazarewicz,Gerda Neyens,Gerda Neyens,Thomas Papenbrock,Thomas Papenbrock,Paul-Gerhard Reinhard,C. M. Ricketts,B. K. Sahoo,A. R. Vernon,A. R. Vernon,Shane Wilkins +39 more
TL;DR: In this article, the authors used the collinear resonance ionization spectroscopy method with β-decay detection to measure the charge radius of potassium isotopes up to 52K and showed no sign of magicity at 32 neutrons.
Journal ArticleDOI
Spectroscopy of short-lived radioactive molecules
R. F. Garcia Ruiz,R. F. Garcia Ruiz,Robert Berger,J. Billowes,C. L. Binnersley,Mark Bissell,Alexander A. Breier,Alex Brinson,K. Chrysalidis,Thomas Elias Cocolios,B. S. Cooper,Kieran Flanagan,Thomas F. Giesen,R. Â. P. de Groote,S. Franchoo,Fredrik Gustafsson,T. A. Isaev,Á. Koszorús,Gerda Neyens,Gerda Neyens,H. A. Perrett,C. M. Ricketts,Sebastian Rothe,Lutz Schweikhard,A. R. Vernon,Klaus Wendt,Frank Wienholtz,Frank Wienholtz,Shane Wilkins,Xiaofei Yang +29 more
TL;DR: An experimental approach to studying short-lived radioactive molecules, which allows us to measure molecules with lifetimes of just tens of milliseconds and provides evidence of the existence of a suitable laser-cooling scheme for these molecules and represents a key step towards high-precision studies in these systems.
Journal ArticleDOI
Measurement and microscopic description of odd–even staggering of charge radii of exotic copper isotopes
R. P. de Groote,R. P. de Groote,J. Billowes,C. L. Binnersley,Mark Bissell,Thomas Elias Cocolios,T. Day Goodacre,T. Day Goodacre,G. J. Farooq-Smith,D. V. Fedorov,Kieran Flanagan,S. Franchoo,R. F. Garcia Ruiz,R. F. Garcia Ruiz,R. F. Garcia Ruiz,W. Gins,W. Gins,Jason D. Holt,Jason D. Holt,Á. Koszorús,Kara Marie Lynch,T. Miyagi,Witold Nazarewicz,Gerda Neyens,Gerda Neyens,Paul-Gerhard Reinhard,Sebastian Rothe,Sebastian Rothe,H. H. Stroke,A. R. Vernon,A. R. Vernon,Klaus Wendt,Shane Wilkins,Shane Wilkins,Ziye Xu,Xiaofei Yang,Xiaofei Yang +36 more
TL;DR: In this paper, the authors report measurements of the charge radii of short-lived copper isotopes up to the very exotic 78Cu (with proton number Z = 29 and neutron number N = 49), produced at only 20 ions s−1, using the collinear resonance ionization spectroscopy method at the Isotope Mass Separator On-Line Device facility (ISOLDE) at CERN.