Abstract
In the interstellar medium polycyclic aromatic hydrocarbon molecules (PAH) are exposed to strong ionizing radation leading to complex organic photochemistry. We investigated these ultrafast fragmentation reac-tions after ionization of the PAHs phenanthrene, fluorene and pyrene at a wavelength of 30.3 nm using pump probe spectroscopy at a free electron laser. We observe double ionization and afterwards hydrogen abstraction and acetylene loss with characteristic time scales for the reaction processes below one hundred femtoseconds.
| Original language | English |
|---|---|
| Article number | 112008 |
| Journal | Journal of Physics : Conference Series |
| Volume | 1412 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - 11 Jun 2020 |
| Externally published | Yes |
| Event | 31st International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2019 - Deauville, France Duration: 23 Jul 2019 → 30 Jul 2019 |
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