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VOLUME 84, NUMBER 19 P H Y S I C A L R E V I E W L E T T E R S 8 MAY 2000 Observation of Predicted Resonance Structure in the H 1 D2 ! HD y0 5 0, j0 5 7 1 D
 

Summary: VOLUME 84, NUMBER 19 P H Y S I C A L R E V I E W L E T T E R S 8 MAY 2000
Observation of Predicted Resonance Structure in the H 1 D2 ! HD y0 5 0, j0 5 7 1 D
Reaction at a Collision Energy of 0.94 eV
Brian K. Kendrick
Theoretical Division (T-12, MS-B268), Los Alamos National Laboratory, Los Alamos, New Mexico 87545
Lalith Jayasinghe, Steven Moser, Marcis Auzinsh, and Neil Shafer-Ray
Department of Physics and Astronomy, The University of Oklahoma, Norman, Oklahoma 73019
(Received 28 January 2000)
We present experimental verification of predicted resonance structure in the energy dependence of the
H 1 D2 reaction. Specifically we predict and observe a broad resonance in the H 1 D2 ! HD y0
0, j0
7 1 D reaction at a collision energy of 0.94 eV. This resonance structure is roughly Gaussian
with a full width at half maximum of 0.1 eV. These results represent the first experimentally observed
resonance structure in the fundamental H 1 H2 reaction system.
PACS numbers: 34.50.Pi, 82.20.Pm
Understanding the role that dynamical scattering
resonances play in chemical reactions is crucial to our
basic understanding of all chemical reactivity. This
understanding is key to laser control of reactions and the
long-sought bond selective chemistry. The identification

  

Source: Auzinsh, Marcis - Department of Physics, University of Latvia

 

Collections: Physics