Browsing by Author "Yamazaki, M."

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An attempt at a product vibrational analysis of a photo-induced chemical reaction by means of time-resolved (e, 2e) electron momentum spectroscopy
(2015-01-01)
Yamazaki, M.
;
Nakazawa, H.
;
Zhu, C. Y.
;
Takahashi, M.
;
應用化學系
We report on a new attempt at an analysis of the vibrational state distributions in the products of a photo-induced chemical reaction. The experiment was performed by using time-resolved electron momentum spectroscopy (TR-EMS) for the products produced by the three-body photodissociation dynamics of the deuterated acetone molecule at 195 nm. It has been found from a comparison between the experiment and associated theoretical calculations that future TR-EMS measurements with improved statistics could be useful for the vibrational analysis of reaction products, in cases when effects of molecular vibration on their electron momentum densities are large enough so as to be noticeable in the binding energy spectra.
Theoretical analysis of the time-resolved binary (e, 2e) binding energy spectra on three-body photodissociation of acetone at 195 nm
(2017-01-01)
Yamazaki, M.
;
Nakayama, S.
;
Zhu, C. Y.
;
Takahashi, M.
;
應用化學系
We report on theoretical progress in time-resolved (e, 2e) electron momentum spectroscopy of photodissociation dynamics of the deuterated acetone molecule at 195 nm. We have examined the predicted minimum energy reaction path to investigate whether associated (e, 2e) calculations meet the experimental results. A noticeable difference between the experiment and calculations has been found at around binding energy of 10 eV, suggesting that the observed difference may originate, at least partly, in ever-unconsidered non-minimum energy paths.