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A. Naves de Brito
Researcher at University of Brasília
Publications - 114
Citations - 2746
A. Naves de Brito is an academic researcher from University of Brasília. The author has contributed to research in topics: Excited state & Ion. The author has an hindex of 31, co-authored 109 publications receiving 2654 citations. Previous affiliations of A. Naves de Brito include Uppsala University & University of Oulu.
Papers
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Journal ArticleDOI
Femtosecond dissociation of core-excited hcl monitored by frequency detuning
Olle Björneholm,S. Sundin,Svante Svensson,R. R. T. Marinho,A. Naves de Brito,Faris Gel'mukhanov,Hans Ågren +6 more
TL;DR: In this article, a deexcitation spectrum with two qualitatively different contributions-a broad molecular background and narrow atomic lines, is presented, and the experiment demonstrates that the ratio of integrated
Journal ArticleDOI
Subnatural linewidths in the Kr M5N2,3N2,3 and Xe N5O2,3O2,3 resonant Auger spectra.
Antti Kivimäki,A. Naves de Brito,Seppo Aksela,Helena Aksela,O.-P. Sairanen,A. Ausmees,S. J. Osborne,L. B. Dantas,S. Svensson +8 more
TL;DR: In this paper, the line sharpening effect of the Auger resonant Raman effect was observed with clarity for the first time and the kinetic energies of the resonant Auger lines following the 3d→5p and 4d→6p excitations in Kr and Xe, respectively, were observed.
Journal ArticleDOI
X-ray photoelectron, Auger electron and ion fragment spectra of O2 and potential curves of O22+
Mats Larsson,P. Baltzer,S. Svensson,Björn Wannberg,Nils Mårtensson,A. Naves de Brito,Nestor Correia,M. P. Keane,M Carlsson-Gothe,L. Karlsson +9 more
TL;DR: In this paper, the potential energy curves for a number of electronic states of the O22+ dication have been calculated with the complete active space SCF (CASSCF) and multireference contracted CI (MRCCI) methods with a one-particle basis set of medium size ((8s, 6p, 2d)).
Journal ArticleDOI
A theoretical study of x‐ray photoelectron spectra of model molecules for polymethylmethacrylate
TL;DR: In this paper, the usefulness of delta selfconsistent field (ΔSCF) approximation in connection with high-resolution x-ray photoelectron spectra for component and structural analysis of organic compounds is explored.
Journal ArticleDOI
The size of neutral free clusters as manifested in the relative bulk-to-surface intensity in core level photoelectron spectroscopy.
Maxim Tchaplyguine,R. R. T. Marinho,Mathieu Gisselbrecht,Joachim Schulz,Nils Mårtensson,Stacey L. Sorensen,A. Naves de Brito,Raimund Feifel,Gunnar Öhrwall,Marcus Lundwall,Svante Svensson,Olle Björneholm +11 more
TL;DR: The approach relies on an experimental measure of the surface and interior or "bulk" cluster atoms provided by the x-ray photoelectron spectroscopy and on a model for the attenuation of photoelectrons ejected from the bulk of the cluster as the result of the ionizing irradiation.