Alignment in molecular excitation for 3. 22-keV H/sub 2//sup +/-He collisions
Journal Article
·
· Phys. Rev. Lett.; (United States)
Electronic alignment in molecular excitation, relative to a specific internuclear axis orientation, has been observed for the first time, enabling specific detailed checks of the quasidiatomic molecular-orbital model in kiloelectronvolt atom-molecule collisions. The alignment was determined from the polarization of L/sub ..cap alpha../ radiation, resulting from the collision process H/sub 2//sup +/+He..-->..H /sub 2//sup +asterisk/+He ..-->..H/sup +/+H(2p)+He, for specific laboratory scattering angles of H/sup +/. The results suggest that, as in many ion-atom systems, rotational coupling is the dominant excitation mechanism.
- Research Organization:
- Behlen Laboratory of Physics, University of Nebraska, Lincoln, Nebraska 68588
- OSTI ID:
- 6049964
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 50:11; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Alignment and orientation of the excited H(2p) orbital following H+He collisions at intermediate energies
Collision-induced dissociation mechanisms in 4. 83-keV H/sub 3/ /sup +/-He collisions
Alignment effects in charge transfer and excitation for H{sup +} and He{sup 2+} collisions with H{sub 2}{sup +}
Journal Article
·
Fri Apr 15 00:00:00 EDT 1988
· Phys. Rev. A; (United States)
·
OSTI ID:5343990
Collision-induced dissociation mechanisms in 4. 83-keV H/sub 3/ /sup +/-He collisions
Journal Article
·
Thu Aug 01 00:00:00 EDT 1985
· Phys. Rev. A; (United States)
·
OSTI ID:5622220
Alignment effects in charge transfer and excitation for H{sup +} and He{sup 2+} collisions with H{sub 2}{sup +}
Journal Article
·
Mon Aug 15 00:00:00 EDT 2005
· Physical Review. A
·
OSTI ID:20718140
Related Subjects
640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
CATIONS
CHARGED PARTICLES
COLLISIONS
ELEMENTS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
FLUIDS
GASES
HELIUM
HYDROGEN IONS
HYDROGEN IONS 1 PLUS
INELASTIC SCATTERING
ION COLLISIONS
ION-ATOM COLLISIONS
IONS
KEV RANGE
KEV RANGE 01-10
MOLECULAR IONS
MOLECULES
NONMETALS
ORIENTATION
RARE GASES
SCATTERING
SPIN ORIENTATION
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
CATIONS
CHARGED PARTICLES
COLLISIONS
ELEMENTS
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
FLUIDS
GASES
HELIUM
HYDROGEN IONS
HYDROGEN IONS 1 PLUS
INELASTIC SCATTERING
ION COLLISIONS
ION-ATOM COLLISIONS
IONS
KEV RANGE
KEV RANGE 01-10
MOLECULAR IONS
MOLECULES
NONMETALS
ORIENTATION
RARE GASES
SCATTERING
SPIN ORIENTATION