Nugent-Glandorf, L.
, Scheer, M.
, Samuels, D.
, Mulhisen, A.
, Grant, E.
, Yang, X.
, Bierbaum, V.
and Leone, S.
(2001),
Ultrafast Time-Resolved Soft X-Ray Photoelectron Spectroscopy of Dissociating Br<sub>2</sub>, Physical Review Letters
(Accessed October 30, 2025)
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Ultrafast Time-Resolved Soft X-Ray Photoelectron Spectroscopy of Dissociating Br2
Published
Author(s)
L Nugent-Glandorf, M Scheer, D A. Samuels, A M. Mulhisen, E R. Grant, X Yang, V M. Bierbaum,
Abstract
The dissociation of excited state Br2 is probed with the novel technique of ultrafast soft x-ray photoelectron spectroscopy. Excited Br2 molecules are prepared in the dissociative 1IIu state with 80 fs 400 nm pulses, and a series of photoelectron spectra are obtained during dissociation with pulses of soft x-ray light (47 nm, 26.4 eV, 250 fs). The formation of Br atoms is readily detected and the data support a dissociation time for Br2 on the order of 40 fs. Amplitudes of the pump-probe features reveal that the ionization cross-section of atomic Br at 47 nm is nearly equal to} 40 times larger than that of Br2.Citation
Physical Review Letters
Volume
87
Issue
No. 19
Pub Type
Journals
Keywords
bromine, photoelectron spectroscopy, ultrafast
Citation
Issues
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Created October 31, 2001, Updated October 12, 2021