B. Rouvellou | Researchain

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Featured researches published by B. Rouvellou.

Journal of Electron Spectroscopy and Related Phenomena | 1995

A dedicated electron spectrometer for photoionization studies of atomic ions with synchrotron radiation

B. Rouvellou; J.-M. Bizau; D. Cubaynes; L. Journel; S. Al Moussalami

Abstract A cylindrical mirror analyzer (CMA) dedicated to the photoionization on atomic ions of experiments, has been designed using a new semi-analytical method. A direct comparison between the calculated and measured intensities of the emitted photoelectrons is given. Finally, the improvement of the new experimental set-up will be illustrated by the first angle-resolved photoelectron spectra obtained in the photoionization of an ion beam.

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms | 1998

Photoelectron spectroscopy experiments on singly charged positive-ions using synchrotron radiation

B. Rouvellou; J.-M. Bizau; J. Obert; S. Al Moussalami; N. Berland; C. Blancard; E. Bouisset; D. Cubaynes; Segolene Diehl; L. Journel; Putaux Jc; C. Vinsot

Abstract The first angle-resolved photoelectron spectroscopy experiments on singly charged ions using synchrotron radiation are described. The feasibility of these experiments has been demonstrated for resonant photoionisation of Ca+ ions by use of the high flux of photons available from an undulator. These experiments open new opportunities for the detailed study of photoionisation processes in ionic species.

Physical Review Letters | 1996

First Photoexcitation Measurements and R-Matrix Calculations of Even-Parity Hollow States in Laser-Excited Lithium Atoms.

D. Cubaynes; Segolene Diehl; L. Journel; B. Rouvellou; J.-M. Bizau; S. Al Moussalami; F. J. Wuilleumier; N. Berrah; L. Voky; P. Faucher; A Hibbert; C. Blancard; Eugene T. Kennedy; Thomas J. Morgan; John D. Bozek; Alfred S. Schlachter

Physical Review Letters | 1996

FIRST ANGLE-RESOLVED PHOTOELECTRON MEASUREMENTS FOLLOWING INNER-SHELL RESONANT EXCITATION IN A SINGLY CHARGED ION

S. Al Moussalami; J.-M. Bizau; B. Rouvellou; Denis Cubaynes; L. Journel; J. Obert; Putaux Jc; Tommie J. Morgan; M. Richter

Physical Review Letters | 1996

First experimental determination and theoretical calculation of partial photoionization cross sections of lithium over the energy region of hollow Atomic States.

L. Journel; Denis Cubaynes; J.-M. Bizau; S. Al Moussalami; B. Rouvellou; L. Voky; P. Faucher; A Hibbert

Physical Review Letters | 1996

High resolution measurements of partial photoionization cross sections in hollow lithium: A critical comparison with advanced many-body calculations.

Segolene Diehl; D. Cubaynes; J.-M. Bizau; L. Journel; B. Rouvellou; S. Al Moussalami; Eugene T. Kennedy; N. Berrah; C. Blancard; Tommie J. Morgan; John D. Bozek; A. S. Schlachter; L. Voky; P. Faucher; A Hibbert

Physical Review Letters | 1994

Direct double photoionization involving inner and outer electrons: First experimental determination and many-body calculations of an absolute cross section.

L. Journel; B. Rouvellou; Denis Cubaynes; J.-M. Bizau; Z. Liu; J. Liu; M. Richter; P. Sladeczek; K. H. Selbman; P. Zimmermann

Physical Review Letters | 1995

First experimental determinations and R-matrix calculations of the angular distribution of photoelectrons ejected in direct inner-shell photoionization of excited atoms.

B. Rouvellou; Jean-Marc Bizau; D. Cubaynes; J. Novak; M. Pahler; L. Journel; L. Voky; P. Faucher; A Hibbert; N. Berrah

Archive | 1996

First measurements of hollow lithium states produced by triple excitation of laser-excited lithium atoms

Denis Cubaynes; Segolene Diehl; Jean-Marc Bizau; B. Rouvellou; L. Journel; Samir Al Moussalami; Nora Berrah; Eugene T. Kennedy; C. Blancard; John D. Bozek; Alfred S. Schlachter

Archive | 1996

High resolution studies of hollow lithium atoms by photoelectron spectrometry at the Advanced Light Source

Segolene Diehl; Denis Cubaynes; Jean-Marc Bizau; B. Rouvellou; L. Journel; Samir Al Moussalami; Thomas J. Morgan; Eugene T. Kennedy; Nora Berrah; Kathy Blanchard; John D. Bozek; Alfred S. Schlachter

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