Experimental and theoretical progress in time-resolved (e, 2e) electron momentum spectroscopy of photodissociation dynamics of acetone at 195 nm

Synopsis We report on experimental and theoretical progress in time-resolved (e, 2e) electron momentum spectroscopy of photodissociation dynamics of the deuterated acetone molecule at 195 nm. Experimentally, we are conducting a series of measurements to have improved experimental results, compared t...

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Published in:Journal of physics. Conference series 2017-07, Vol.875 (7), p.62051
Main Authors: Nakayama, Shotaro, Yamazaki, Masakazu, Takahashi, Masahiko
Format: Article
Language:English
Subjects:
Acetone
Deuteration
Mathematical analysis
Momentum
Photodissociation
Physics
Spectroscopy
Spectrum analysis
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Yamazaki, Masakazu
Takahashi, Masahiko
description Synopsis We report on experimental and theoretical progress in time-resolved (e, 2e) electron momentum spectroscopy of photodissociation dynamics of the deuterated acetone molecule at 195 nm. Experimentally, we are conducting a series of measurements to have improved experimental results, compared to the earlier ones, by using a pump laser with higher intensity. Theoretically, 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 the 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.
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subjects Acetone
Deuteration
Mathematical analysis
Momentum
Photodissociation
Physics
Spectroscopy
Spectrum analysis
title Experimental and theoretical progress in time-resolved (e, 2e) electron momentum spectroscopy of photodissociation dynamics of acetone at 195 nm
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