Zobrazeno 1 - 10
of 22
pro vyhledávání: '"J W Thomsen"'
Autor:
J W Thomsen, Thomas H. Rod, J C Houver, J Salgado, N Andersen, Svend Erik Nielsen, Danielle Dowek
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 37:2119-2133
This paper reports experimental and theoretical scattering angle-dependent differential cross sections (DCS) for the electron transfer processes He+ + Na(3s or 3p) → He(2s or 2p) + Na+ at an impact energy of 1 keV. The He(2p) channels are the domin
Publikováno v:
Applied Physics B: Lasers and Optics. 75:835-839
We have developed a tunable intense narrow-band 285 nm light source based on frequency doubling of 570 nm light in BBO. At input powers of 840 mW (including 130 mW used for locking purposes) we generate 99 mW UV radiation with an intensity profile su
Autor:
Alain Dubois, Sonia Grego, J C Houver, N Andersen, Ingrid Reiser, Anders Svensson, Svend Erik Nielsen, J W Thomsen, J Salgado, D Dowek, C Richter
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 35:2051-2068
This paper reports experimental and theoretical P-state-to-P-state results for the electron transfer process Li+ + Na(3p)→Li(2p) + Na+ at an impact energy of 1 keV. By a systematic combination of the optical preparation of specific Na(3p) states wi
Autor:
J W Thomsen, D N Madsen
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 35:2173-2181
This paper reports on an experimental study of resonant photo-ionization of the 3s3p 1P1 level of magnesium using near-resonant light at 285 nm. We extract an absolute photo-ionization cross section of (8.1±2.3)×10-17 cm2 using a magneto-optical tr
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 33:4981-4988
This paper presents experimental studies of resonant two-photon ionization of Mg via the 3s 21 S0 → 3s3p 1 P1 transition using 285.2 nm CW light. Dimensionless ratios of the cross section for ionization into a continuum state of S character relativ
Autor:
N Andersen, Anders Svensson, Alain Dubois, J W Thomsen, J C Houver, D Dowek, Svend Erik Nielsen, J Salgado
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 32:5189-5204
This paper reports experimental and theoretical results for the influence of optical target preparation on electron transfer for 6Li+-Na(3p) collisions at an impact energy of 1 keV. The spatial pattern of the scattered neutrals is strongly forwardly
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 31:3429-3437
The effects of excitation and orbital alignment on the electron transfer process in - collisions are investigated experimentally and theoretically over a wide range of impact energies. Experimentally, the integral alignment parameter and the ratios b
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 31:3419-3428
The final state integral alignment for the electron transfer process is investigated in the keV energy range. Experimentally, polarization analysed photons from the Li I - transition are detected in coincidence with scattered Li neutrals in the 1-25
Autor:
Anders Svensson, J W Thomsen, Ingrid Reiser, Svend Erik Nielsen, D Dowek, J Salgado, N Andersen, Alain Dubois, J C Houver
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 30:3059-3075
This paper reports experimental and theoretical results for the influence of optical target preparation on electron transfer for the collision system at a proton impact energy of 2 keV. The spatial pattern of the forwardly scattered neutrals is found
Autor:
Ingrid Reiser, Anders Svensson, J W Thomsen, J. C. Houver, Danielle Dowek, E Sidky, J Salgado, Nils Andersen
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 29:5459-5473
We have performed an experimental study of the electron transfer processes in collisions leading to Li(2s) and Li(2p), using a beam at a collision energy of 1 keV. Neutral particles scattered in a narrow forward cone were detected in coincidence with