@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

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    dct:description """
              We have studied dissociative multiphoton ionization of NO2 by time-resolved velocity map imaging in a two-color pump-probe experiment using the 400 and 266 nm harmonics of a regeneratively amplified titanium-sapphire laser. We observe that most of the ion signal appears as NO+ with ~0.28 eV peak kinetic energy. Approximately 600 fs period oscillations indicative of wave packet motion are also observed in the NO+ decay. We attribute the signal to two competitive mechanisms. The first involving three-photon 400 nm absorption followed by dissociative ionization of the pumped state by a subsequent 266 nm photon. The second involving one-photon 400 nm absorption to the 2B2 state of NO2 followed by two-photon dissociative ionization at 266 nm. This interpretation is derived from the observation that the total NO+ ion signal exhibits biexponential decay, 0.72 exp(–t/90±10) + 0.28 exp(–t/4000±400), where t is the 266 nm delay in femtoseconds. The fast decay of the majority of the NO+ signal suggests a direct dissociation via the bending mode of the pumped state.
            """ ;
    dct:identifier "hal-00084734" ;
    dct:issued "2026-05-10T06:22:10.439043"^^xsd:dateTime ;
    dct:language "en" ;
    dct:modified "2026-05-10T06:22:10.439047"^^xsd:dateTime ;
    dct:publisher <https://rec.harvest-normandie.data4citizen.com/organization/cce9db95-46d9-4dc2-84b6-764215d0a002> ;
    dct:title "Dissociative multiphoton ionization of NO2 studied by time-resolved imaging" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "CCSD" ] ;
    dcat:distribution <https://rec.harvest-normandie.data4citizen.com/dataset/oai-hal-hal-00084734v1/resource/c65330a3-3c32-4f90-87a8-4538d73f6724> ;
    dcat:keyword "3380eh-3380gj-3380wz-8250hp-8250pt-8253eb",
        "chimtheochemical-sciencestheoretical-andor-physical-chemistry",
        "infoeu-reposemanticsarticle",
        "journal-articles",
        "molecule-photon-collisions",
        "multiphoton-processes",
        "nitrogen-compounds",
        "photodissociation",
        "photoionisation",
        "time-resolved-spectra" ;
    dcat:landingPage <ISSN:%200021-9606> .

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    dct:issued "2026-05-10T06:22:10.452034"^^xsd:dateTime ;
    dct:modified "2026-05-10T06:22:10.425817"^^xsd:dateTime ;
    dct:title "Dissociative multiphoton ionization of NO2 studied by time-resolved imaging" ;
    dcat:accessURL <https://hal.science/hal-00084734> .

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