title: Two-proton migration in 1,3-butadiene in intense laser fields.
abstract: Ultrafast proton migration in 1,3-butadiene in an intense laser field (40 fs, 4.5 × 10(14) W cm(-2)) is investigated by using Coulomb explosion coincidence momentum imaging. The spatial distribution maps of a migrating proton reconstructed for the two three-body Coulomb explosion pathways, C(4)H(6)(3+)→ H(+) + CH(3)(+) + C(3)H(2)(+) and C(4)H(6)(3+)→ H(+) + C(2)H(+) + C(2)H(4)(+), reveal that two protons migrate within a 1,3-butadiene molecule, prior to the three body decomposition.
authors: Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
authors: Huailiang
authors: H
authors: Xu
authors: Tomoya
authors: T
authors: Okino
authors: Katsunori
authors: K
authors: Nakai
authors: Kaoru
authors: K
authors: Yamanouchi
authors: Stefan
authors: S
authors: Roither
authors: Xinhua
authors: X
authors: Xie
authors: Daniil
authors: D
authors: Kartashov
authors: Li
authors: L
authors: Zhang
authors: Andrius
authors: A
authors: Baltuska
authors: Markus
authors: M
authors: Kitzler