Resonance-enhanced multiphoton ionization of molecular hydrogen via the E,F1Σg+ state: Photoelectron energy and angular distributions

1984 ◽  
Vol 105 (1) ◽  
pp. 22-27 ◽  
Author(s):  
Scott L. Anderson ◽  
Glenn D. Kubiak ◽  
Richard N. Zare
Keyword(s):  
Molecular Hydrogen ◽  
Multiphoton Ionization ◽  
Angular Distributions ◽  
Photoelectron Energy ◽  
Energy And Angular Distributions

scholarly journals Energy and angular distributions of electrons from ion impact on atomic and molecular hydrogen. IV. 28–114-keVHe++ H collisions

1996 ◽  
Vol 53 (1) ◽  
pp. 303-311 ◽  
Author(s):  
Y.-Y. Hsu ◽  
M. W. Gealy ◽  
G. W. Kerby ◽  
M. E. Rudd ◽  
D. R. Schultz ◽  
...  
Keyword(s):  
Molecular Hydrogen ◽  
Angular Distributions ◽  
Ion Impact ◽  
Energy And Angular Distributions

scholarly journals Photopreparation of molecular hydrogen ions in intense laser fields

2000 ◽  
Vol 18 (3) ◽  
pp. 443-448 ◽  
Author(s):  
C. SCHELLHAMMER ◽  
V. SCHYJA ◽  
A. HIELSCHER ◽  
H. HELM
Keyword(s):  
Molecular Hydrogen ◽  
Rydberg States ◽  
Intense Laser ◽  
Angular Distributions ◽  
Hydrogen Ions ◽  
Intense Laser Fields ◽  
Laser Fields ◽  
Vibrational Levels ◽  
Energy And Angular Distributions ◽  
Very High

Detailed experiments on the energy and angular distributions of both electrons and protons formed from molecular hydrogen in strong femtosecond laser fields are reported. At the wavelengths 389 and 406 nm the ionization dynamics is governed by resonance shifting of molecular Rydberg states. Differences from this mechanism appear only at the very lowest intensities, when close lying resonances of the E, F-state determine the photoelectron pattern in resonant enhanced ionization, and at very high intensities, when tunnel ionization suppresses molecular details. At wavelengths below 400 nm at intensities in the range of ≈1·1013 W/cm2 femtosecond pulses are quite suitable for preparation of state selected H2+ targets in a restricted range of vibrational levels.

scholarly journals Energy and angular distributions of electrons from ion impact on atomic and molecular hydrogen. II. 20–114-keVH++H

1995 ◽  
Vol 51 (3) ◽  
pp. 2256-2264 ◽  
Author(s):  
G. W. Kerby ◽  
M. W. Gealy ◽  
Y.-Y. Hsu ◽  
M. E. Rudd ◽  
D. R. Schultz ◽  
...  
Keyword(s):  
Molecular Hydrogen ◽  
Angular Distributions ◽  
Ion Impact ◽  
Energy And Angular Distributions

The interaction of atomic particles with solid surfaces at intermediate energies IV. The energy and angular distributions of particles scattered with electric charge from polycrystalline platinum at bombarding energies of 500-5000 eV

1974 ◽  
Vol 341 (1625) ◽  
pp. 213-231 ◽  
Keyword(s):  
Charged Particles ◽  
Solid Surfaces ◽  
Hydrogen Ion ◽  
Angular Distributions ◽  
Sodium Potassium ◽  
Intermediate Energies ◽  
Polycrystalline Platinum ◽  
Composite Spectra ◽  
Energy And Angular Distributions ◽  
Bombarding Energy

The distributions in angle and energy for charged particles emitted from polycrystalline platinum bombarded with ions of hydrogen, sodium, potassium and some hydrocarbons, have been measured, in continuation of previous work (Cawthron, Cotterell & Oliphant 1969 a , b , parts I and II; 1970, part III) to lower energies. Composite spectra are presented, including ions of both signs. The flux of emitted charged particles, under hydrogen ion bombardment, is shown to contain approximately equal numbers of protons and H¯ ions, except at the lowest bombarding energies, where the latter apparently predominate. Scattering in all cases is shown to increase with bombarding energy over the range covered, the increase being near linear for hydrogen and very rapid for alkalimetal ions. In all cases the total emission of charged particles is very small at the lowest bombarding energies employed.

Sign in / Sign up

Export Citation Format

Share Document