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Energy-and angle-resolved pumpprobe femtosecond photoelectron spectroscopy: Molecular rotation

Summary: Energy- and angle-resolved pump­probe femtosecond photoelectron
spectroscopy: Molecular rotation
Yasuki Arasaki and Kazuo Takatsukaa)
Department of Basic Science, Graduate School of Arts and Sciences, University of Tokyo, Komaba,
153-8902, Tokyo, Japan
Kwanghsi Wang and Vincent McKoy
Laboratory for Molecular Sciences, California Institute of Technology, Pasadena, California 91125
Received 6 December 2000; accepted 13 February 2001
We have incorporated a classical treatment of molecular rotation into our formulation of energy- and
angle-resolved pump­probe photoelectron spectroscopy. This classical treatment provides a useful
approach to extracting the photoelectron signal primarily associated with vibrational dynamics in
cases where rotational motion is slow and the coupling between rotational and vibrational motion is
weak. We illustrate its applicability with pump­probe photoelectron spectra for wave packets on the
u double-minimum state of Na2 . © 2001 American Institute of Physics.
DOI: 10.1063/1.1361067
Femtosecond time-resolved spectroscopy has been
widely exploited in numerous applications ranging from fun-
damental studies of real-time motion in the photodissociation


Source: Arasaki, Yasuki - Department of Basic Science, University of Tokyo


Collections: Physics