Journal Article

PUBDB-2024-05730

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Enantioselective One-Photon Excitation of Formic Acid

Tsitsonis, D.Extern* ; Trinter, F.Extern*XFEL.EU* ; Williams, J.Extern* ; Fehre, K.Extern*XFEL.EU* ; Demekhin, P. (Corresponding author)Extern* ; Jahnke, T.Extern* ; Doerner, R. (Corresponding author)Extern* ; Schoeffler, M. (Corresponding author)Extern*XFEL.EU*

2024
APS College Park, Md.

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Please use a persistent id in citations: doi:10.1103/PhysRevLett.133.093002  doi:10.3204/PUBDB-2024-05730

Abstract: We use one-photon excitation to promote 𝐾-shell electrons of formic acid (which has a planar equilibrium structure) to an antibonding 𝜋* orbital. The excited molecule is known to have a (chiral) pyramidal equilibrium structure. In our experiment, we determine the handedness of the excited molecule by imaging the momenta of charged fragments, which occur after its Coulomb explosion triggered by Auger-Meitner decay cascades succeeding the excitation. We find that the handedness of the excited molecule depends on its spatial orientation with respect to the propagation (or polarization) direction of the exciting photon. The effect is largely independent of the exact polarization properties of the light driving the 1⁢𝑠→𝜋* excitation.

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Contributing Institute(s):

1. DOOR-User (DOOR ; HAS-User)

Research Program(s):

1. 6G3 - PETRA III (DESY) (POF4-6G3) (POF4-6G3)
2. DFG project 328961117 - SFB 1319: Extremes Licht zur Analyse und Kontrolle molekularer Chiralität (ELCH) (328961117) (328961117)
3. DFG project 509471550 - Dynamik photoionisations-induzierter Prozesse in laser-präparierten Molekülen in der Gasphase und der wässrigen Phase (509471550) (509471550)
4. FS-Proposal: I-20200461 (I-20200461) (I-20200461)

Experiment(s):

1. PETRA Beamline P04 (PETRA III)

Appears in the scientific report 2024

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Database coverage:
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