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Time delay in two-electron photodetachment and tests of fundamental threshold laws

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dc.contributor.authorKheifets, Anatoli
dc.contributor.authorBray, I.
dc.date.accessioned2023-07-03T02:05:26Z
dc.date.available2023-07-03T02:05:26Z
dc.date.issued2021
dc.date.updated2022-04-10T08:18:45Z
dc.description.abstractThe photoelectron group delay, also known as the Wigner time delay (WTD), is examined in photodetachment of the and ions near their lowest inelastic and the double detachment thresholds. These threshold processes promoting the remaining bound electron to an excited state or ejecting it to the continuum involve two active electrons and are termed collectively two-electron photodetachment. The opening of an inelastic channel is governed by the Wigner threshold law which affects the WTD very differently in H- and Li-. At the same time, the Wannier threshold behavior of the WTD in double detachment is similar in both targets. Experimental verification of these theoretical predictions will subject the Wigner and Wannier threshold laws to a set of stringent tests in the time domain.en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn2643-1564en_AU
dc.identifier.urihttp://hdl.handle.net/1885/293857
dc.language.isoen_AUen_AU
dc.provenancePublished by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International licenseen_AU
dc.publisherAmerican Physical Societyen_AU
dc.rights© 2021 The authorsen_AU
dc.rights.licenseCreative Commons Attribution licenceen_AU
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_AU
dc.sourcePhysical Review Researchen_AU
dc.titleTime delay in two-electron photodetachment and tests of fundamental threshold lawsen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue4en_AU
local.bibliographicCitation.lastpage8en_AU
local.bibliographicCitation.startpage1en_AU
local.contributor.affiliationKheifets, Anatoli, College of Science, ANUen_AU
local.contributor.affiliationBray, I., Curtin Universityen_AU
local.contributor.authoruidKheifets, Anatoli, u9701451en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor510201 - Atomic and molecular physicsen_AU
local.identifier.absseo280120 - Expanding knowledge in the physical sciencesen_AU
local.identifier.ariespublicationa383154xPUB22531en_AU
local.identifier.citationvolume3en_AU
local.identifier.doi10.1103/PhysRevResearch.3.043017en_AU
local.identifier.scopusID2-s2.0-85117115197
local.publisher.urlhttps://journals.aps.org/en_AU
local.type.statusPublished Versionen_AU

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