001     631864
005     20250626211013.0
024 7 _ |a arXiv:2502.16572
|2 arXiv
024 7 _ |a 10.3204/PUBDB-2025-02061
|2 datacite_doi
037 _ _ |a PUBDB-2025-02061
041 _ _ |a English
088 _ _ |a arXiv:2502.16572
|2 arXiv
100 1 _ |a Music, Valerija
|b 0
245 _ _ |a Wavelength-Dependent Photodissociation of Iodomethylbutane
260 _ _ |c 2025
336 7 _ |a Preprint
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336 7 _ |a WORKING_PAPER
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336 7 _ |a Electronic Article
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336 7 _ |a preprint
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336 7 _ |a ARTICLE
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336 7 _ |a Output Types/Working Paper
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500 _ _ |a 12 pages, 9 figures
520 _ _ |a Ultrashort XUV pulses of the Free-Electron-LASer in Hamburg (FLASH) were used to investigate laser-induced fragmentation patterns of the prototypical chiral molecule 1-iodo-2-methyl-butane (C$_5$H$_{11}$I) in a pump-probe scheme. Ion velocity-map images and mass spectra of optical-laser-induced fragmentation were obtained for subsequent FEL exposure with photon energies of 63 eV and 75 eV. These energies specifically address the iodine 4d edge of neutral and singly charged iodine, respectively. The presented ion spectra for two optical pump-laser wavelengths, i.e., 800 nm and 267 nm, reveal substantially different cationic fragment yields in dependence on the wavelength and intensity. For the case of 800-nm-initiated fragmentation, the molecule dissociates notably slower than for the 267-nm pump. The results underscore the importance of considering optical-laser wavelength and intensity in the dissociation dynamics of this prototypical chiral molecule that is a promising candidate for future studies of its asymmetric nature.
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700 1 _ |a Allum, Felix
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700 1 _ |a Brouard, Mark
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700 1 _ |a Demekhin, Philipp V.
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700 1 _ |a Grychtol, Patrik
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700 1 _ |a Heathcote, David
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700 1 _ |a Li, Zheng
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700 1 _ |a Manschwetus, Bastian
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700 1 _ |a Marder, Lutz
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700 1 _ |a Pietschnig, Rudolf
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700 1 _ |a Rolles, Daniel
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700 1 _ |a Schwob, Lucas
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700 1 _ |a Thomas, Richard D.
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700 1 _ |a Vallance, Claire
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700 1 _ |a Vidanovic, Igor
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700 1 _ |a Schmising, Clemens von Korff
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700 1 _ |a Wagner, René
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700 1 _ |a Zhaunerchyk, Vitali
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700 1 _ |a Ilchen, Markus
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