Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session F10: GEC Session on Electron and Photon Interactions with Molecules
8:00 AM–10:00 AM,
Wednesday, June 5, 2024
Room: 204AB
Chair: Stephen Hogan, University College London
Abstract: F10.00001 : Excited-State Photo Physics of Cryogenically Cooled Molecular Ions
8:00 AM–8:30 AM
Presenter:
Lars Henrik Andersen
(Aarhus University)
Author:
Lars Henrik Andersen
(Aarhus University)
Our approach utilizes an ion storage ring and involves cooling chromophore ions in an ion trap held at 6K before injection and storage in the ring [1]. This, combined with action spectroscopy, unveils well-resolved vibrational structures related to the excited state [2]. Furthermore, employing femtosecond laser pump-probe schemes allows us to unravel the level and spectral specific photo response [3]. Intriguingly, spectra of cold molecular chromophore ions may exhibit both well-resolved vibrational structures in certain regions and regions devoid of sharp structures.
[1] H. B. Pedersen, H. Juul, F. K. Mikkelsen, A. P. Rasmussen, and L. H. Andersen, Phys. Rev. A 106 053111 (2022)
[2] Lars H. Andersen, Anne P. Rasmussen, Henrik B. Pedersen, Oleg B. Beletsan, and Anastasia V. Bochenkova, J. Phys. Chem. Lett. 14 6395-6401 (2023)
[3] Anne P. Rasmussen, Henrik B. Pedersen, and Lars H. Andersen. Phys. Chem. Chem. Phys. 25 32868-32874 (2023)
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