Molecular Orbital Imaging of the Acetone S2 Excited State Using Time-Resolved (e, 2e) Electron Momentum Spectroscopy

Masakazu Yamazaki, Keiya Oishi, Hiroyuki Nakazawa, Chaoyuan Zhu, Masahiko Takahashi

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

We report a time-resolved (e, 2e) experiment on the deuterated acetone molecule in the S2 Rydberg state with a lifetime of 13.5 ps. The acetone S2 state was prepared by a 195 nm pump laser and probed with electron momentum spectroscopy using a 1.2 keV incident electron beam of 1 ps temporal width. In spite of the low data statistics as well as of the limited time resolution (±35 ps) due to velocity mismatch, the experimental results clearly demonstrate that electron momentum spectroscopy measurements of short-lived transient species are feasible, opening the door to time-resolved orbital imaging in momentum space.

Original languageEnglish
Article number103005
Pages (from-to)1-5
Number of pages5
JournalPhysical Review Letters
Volume114
Issue number10
DOIs
StatePublished - 13 Mar 2015

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