Quantum theory of D+H/sub 2/ rearrangement collision: Effects of vibrational excitation
Journal Article
·
· Phys. Rev. Lett.; (United States)
A quantum mechanical approach is used to calculate the cross sections and rate constants of D+H/sub 2/(v/sub ..cap alpha../=1,0) ..-->.. DH(v/sub ..beta../=0,1)+H. With v/sub ..cap alpha../=0, present results are in agreement with classical calculation. With v/sub ..cap alpha../=1, cross sections for the vibrational adiabatic transition (v/sub ..cap alpha../=1 to v/sub ..beta../=1) is an order of magnitude larger than that for the vibrational nonadiabatic transition (v/sub ..cap alpha../=1 to v/sub ..beta../=0). This result is in agreement with recent experiments but in disagreement with classical-trajectory calculation.
- Research Organization:
- Departments of Physics, University of California, Riverside, California 92521
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 5428601
- Journal Information:
- Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 44:18; ISSN PRLTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640304* -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
ATOM-MOLECULE COLLISIONS
BOLTZMANN STATISTICS
BORN APPROXIMATION
COLLISIONS
CROSS SECTIONS
CRYOGENIC FLUIDS
DEUTERIUM
ELEMENTS
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXCITED STATES
FLUIDS
HYDROGEN
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
MECHANICS
MOLECULE COLLISIONS
NONMETALS
NUCLEI
ODD-ODD NUCLEI
QUANTUM MECHANICS
STABLE ISOTOPES
VIBRATIONAL STATES
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ATOM COLLISIONS
ATOM-MOLECULE COLLISIONS
BOLTZMANN STATISTICS
BORN APPROXIMATION
COLLISIONS
CROSS SECTIONS
CRYOGENIC FLUIDS
DEUTERIUM
ELEMENTS
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EXCITATION
EXCITED STATES
FLUIDS
HYDROGEN
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
MECHANICS
MOLECULE COLLISIONS
NONMETALS
NUCLEI
ODD-ODD NUCLEI
QUANTUM MECHANICS
STABLE ISOTOPES
VIBRATIONAL STATES