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Julien LECOINTRE
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Toward real-time charged-particle image reconstruction using polar onion-peeling![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
2009, LECOINTRE, Julien; Roberts, G. M.; Nixon, J. L.; Wrede, E.; Verlet, J. R. R.,
- HENALLUX
,
- Article scientifique
Article scientifique
A method to reconstruct full three-dimensional photofragment distributions from their two-dimensional (2D) projection onto a detection plane is presented, for processes in which the expanding Newton sphere has cylindrical symmetry around an axis parallel to the projection plane. The method is based on: (1) onion-peeling in polar coordinates [Zhao et al., Rev. Sci. Instrum. 73, 3044 (2002)] in which ...
Absolute cross-sections and kinetic-energy-release distributions for electron-impact ionization and dissociation of CD +3![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
2009, LECOINTRE, Julien; Belic, D. S.; Jureta, J. J.; Janev, R. K.; Defrance, P.,
- HENALLUX
,
- Article scientifique
Article scientifique
Absolute cross-sections have been measured for electron-impact dissociative excitation and ionization of CD+3/(CH+3) leading to formation of singly-charged fragments (CD +2, CH+, C+, H +2 and D+). The animated crossed-beams method is applied in the energy range from the reaction threshold up to 2.5 keV. The maximum cross-sections are found to be (14.0±1.0)×10-17 cm2, (6.5± 0.7)×10-17 cm2, (3.3± ...
Absolute cross-sections and kinetic energy release distributions for electron-impact dissociation of D3+![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
2009, LECOINTRE, Julien; Abdellahi El Ghazaly, M. O.; Jureta, J. J.; Belic, D. S.; Urbain, X.; Defrance, P.,
- HENALLUX
,
- Article scientifique
Article scientifique
Absolute cross-sections for electron-impact dissociation of D+3 leading to the formation of D+ and D+2 products have been measured by applying the animated electron-ion beam method in the energy range from the respective thresholds up to 2.5 keV. The maximum total cross-sections are observed to be (13.9 ± 1.1) × 10−17 cm2 and (8.2 ± 0.1) × 10−17 cm2 (around 50 eV) for D+ and for D+2 fragments, ...
Energy distributions of H+ fragments ejected by fast proton and electron projectiles in collision with H2O molecules![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
2009, LECOINTRE, Julien; de Barros, A. L. F.; Luna, H.; Shah, M. B.; Montenegro, E. C.,
- HENALLUX
,
- Article scientifique
Article scientifique
Experimental measurements of the kinetic energy distribution spectra of
H
+
fragment ions released during radiolysis of water molecules in collision with 20, 50, and 100 keV proton projectiles and 35, 200, 400, and 1000 eV electron projectiles are reported using a pulsed beam and drift tube time-of-flight based velocity measuring technique. The spectra show that
H
+
fragments carrying a ...
Dissociative excitation of NeD+![Peer reviewed Peer reviewed](/themes/Mirage2//images/peer_review.svg)
2009, LECOINTRE, Julien; Ngassam, V.; Jureta, J.J.; Mitchell, J. B. A.; Orel, A. E.; Defrance, P.,
- HENALLUX
,
- Article scientifique
Article scientifique
Measurements of NeD+ dissociative excitation cross section were obtained in Louvain-la-Neuve (UCL, Belgium) by using the animated crossed electron-ion beam method. The electronic structure of the system was calculated by using quantum chemistry calculations for the NeD+ ion and ab initio electron scattering calculations using the complex Kohn variational method for the resonant NeD neutral complex ...