Interatomic Coulombic decay in helium nanodroplets

Shcherbinin, M and LaForge, A C and Sharma, Vandana and Devetta, M and Richter, R and Moshammer, R (2017) Interatomic Coulombic decay in helium nanodroplets. Physical Review A, 96. pp. 1-5. ISSN 1050-2947

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Interatomic Coulombic decay (ICD) is induced in helium nanodroplets by photoexciting the n = 2 excited state of He + using XUV synchrotron radiation. By recording multiple-coincidence electron and ion images we find that ICD occurs in various locations at the droplet surface, inside the surface region, or in the droplet interior. ICD at the surface gives rise to energetic He + ions as previously observed for free He dimers. ICD deeper inside leads to the ejection of slow He + ions due to Coulomb explosion delayed by elastic collisions with neighboring He atoms, and to the formation of He k + complexes.

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IITH Creators:
IITH CreatorsORCiD
Sharma, VandanaUNSPECIFIED
Item Type: Article
Subjects: Physics
Divisions: Department of Physics
Depositing User: Library Staff
Date Deposited: 16 Jan 2019 05:00
Last Modified: 16 Jan 2019 05:00
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