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Characterization of suprathermal electrons inside a laser accelerated plasma via highly-resolved K-alpha-emission

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dc.contributor.authorSmid, M.
dc.contributor.authorRenner, O.
dc.contributor.authorColaitis, A.
dc.contributor.authorTikhonchuk, V. T.
dc.contributor.authorRosmej, F. B.
dc.date.accessioned2024-11-21T12:03:29Z
dc.date.available2024-11-21T12:03:29Z
dc.date.issued2019
dc.description.abstractSuprathermal electrons are routinely generated in high-intensity laser produced plasmas via instabilities driven by non-linear laser-plasma interaction. Their accurate characterization is crucial for the performance of inertial confinement fusion as well as for performing experiments in laboratory astrophysics and in general high-energy-density physics. Here, we present studies of non-thermal atomic states excited by suprathermal electrons in kJ-ns-laser produced plasmas. Highly spatially and spectrally resolved X-ray emission from the laser-deflected part of the warm dense Cu foil visualized the hot electrons. A multi-scale two-dimensional hydrodynamic simulation including non-linear laser-plasma interactions and hot electron propagation has provided an input for ab initio non-thermal atomic simulations. The analysis revealed a significant delay between the maximum of laser pulse and presence of suprathermal electrons. Agreement between spectroscopic signatures and simulations demonstrates that combination of advanced high-resolution X-ray spectroscopy and non-thermal atomic physics offers a promising method to characterize suprathermal electrons inside the solid density matter.
dc.identifier.citationCharacterization of suprathermal electrons inside a laser accelerated plasma via highly-resolved K-alpha-emission / Smid, M [et al.] // NATURE COMMUNICATIONS. - 2019. - 10. - 10.1038/s41467-019-12008-9
dc.identifier.doi10.1038/s41467-019-12008-9
dc.identifier.urihttps://www.doi.org/10.1038/s41467-019-12008-9
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/18703
dc.relation.ispartofNATURE COMMUNICATIONS
dc.titleCharacterization of suprathermal electrons inside a laser accelerated plasma via highly-resolved K-alpha-emission
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume10
relation.isOrgUnitOfPublicationdcdb137c-0528-46a5-841b-780227a67cce
relation.isOrgUnitOfPublication.latestForDiscoverydcdb137c-0528-46a5-841b-780227a67cce
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