1995 Fiscal Year Final Research Report Summary
Transit Region Dynamics in the reative Hg^<**>(^3P_1)- H_2 Collisions
| Project/Area Number |
06453014
|
|---|
| Research Category |
Grant-in-Aid for General Scientific Research (B)
|
| Allocation Type | Single-year Grants |
|---|
| Research Field |
Physical chemistry
|
|---|
| Research Institution | TOHOKU UNIVERSITY |
|---|
Principal Investigator |
SATO Yukinori Tohoku University Research Institute for Scientific Measurements Plof., 科学計測研究所, 教授 (10006158)
|
|---|
| Co-Investigator(Kenkyū-buntansha) |
OKUNISHI Misaki Tohoku University Research Institute for Scientific Measurements Recearch Asso., 科学計測研究所, 助手 (80224161)
OHMORI Kenji Tohoku University Research Institute for Scientific Measurements Recearch Asso., 科学計測研究所, 助手 (10241580)
|
|---|
| Project Period (FY) |
1994 – 1995
|
| Keywords | Transition Region Spectroscopy / Spectral Line Shapes / Reaction Dynamics / Far Wings / Collisional Broadening of Atomic Resonance Lines / Fine-Structure Transitions / 水銀光増感反応 / ポンプ・プローブ |
|---|
| Research Abstract |
Far-wing excitation and probe approach is employed to investigate the transit-region dynamics of the collisions of Hg (^3P_1) with the rare-gas atoms and the diatomic molecules. The following results are obtained :
(1)The absolute absorption coefficients have been determined for the red- and blue-wings of the Hg resonance line at 253.7nm broadened by He, Ne, Ar, N_2, CO,H_2 and D_2. The unduratory satellite structures in the blue wing of the Hg resonance line broadened by Ar are investigated theoretically.
(2)The far-wing pump and probe (FEP) technique has been applied to the far-wings of the Hg resonance line broadened by N_2 and CO to srudy the transit-region dynamics of the fine-structure transitions : Hg^<**>(^3P_1)+N_2, CO * Hg^<**>(^3P_0)+N_2, CO.
The FEP technique has been also used to study the transit-region dynamics of the chemical reactions : Hg^<**>(^3P_1)+H_2, D_2, HD * HgH,HgD(CHI_2SIGMA^+, v, j)+H,D.
Combining the results of (1) and (2), we have determined the probabilities for the transit regions ^^- and ^^- of the collisional quasimolecules to decay to the individual final states of the above collisional processes.
As for the Hg^*-H_2 reactive collisiions, the ^^- state is found to be three times more effective in producing HgH than the ^^- state. We have concluded that no "early" barrior is expected on both of the ^^- state and ^^- state surfaces in the entrance channel of the HgH formation.
|
Research Products
(10 results)
