Detailed observations of photo-accessible triplet doubly excited states in helium
Identifieur interne : 00AF38 ( Main/Exploration ); précédent : 00AF37; suivant : 00AF39Detailed observations of photo-accessible triplet doubly excited states in helium
Auteurs : J G Lambourne [France] ; F. Penent [France] ; P. Lablanquie [France] ; R I Hall [France] ; M. Ahmad [France] ; M. Itnik [Slovénie] ; K. Buar [Slovénie] ; P. Hammond [Australie] ; S. Stranges [Italie] ; R. Richter [Italie] ; M. Alagia [Italie] ; M. Coreno [Italie]Source :
- Journal of Physics B: Atomic, Molecular and Optical Physics [ 0953-4075 ] ; 2003.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
- Artefact, Autoionization, Beamline, Clear evidence, Electric fields, Electron state, Energy calibration, Excitation, Excited states, Experimental device, Fano, Gure, Helium, Helium ground state, Helium ions, Ionization, Ionization threshold, Lambourne, Last digit, Lett, Lineshape, Metastable, Metastable atom, Metastable atom yields, Metastable atoms, Metastable state, Metastable states, Monochromator, Monochromator function, Observable triplet series, Penent, Phase beamline, Photoion, Photoionization, Photon, Photon yields, Phys, Quantum defect, Quantum defect values, Radiative decay, Relative intensities, Singlet series, Small peaks, Smaller peaks, Synchrotron, Synchrotron radiation, Theoretical values, Triplet, Triplet series, Triplet state, Triplet states, Ultraviolet visible spectrometry, Uorescence, Uorescence decay, Zitnik.
- Teeft :
- Artefact, Autoionization, Beamline, Clear evidence, Energy calibration, Excitation, Fano, Gure, Helium ground state, Ionization, Ionization threshold, Lambourne, Last digit, Lett, Lineshape, Metastable, Metastable atom, Metastable atom yields, Metastable atoms, Metastable state, Metastable states, Monochromator, Monochromator function, Observable triplet series, Penent, Phase beamline, Photoion, Photon, Photon yields, Phys, Quantum defect, Quantum defect values, Relative intensities, Singlet series, Small peaks, Smaller peaks, Synchrotron, Theoretical values, Triplet, Triplet series, Triplet states, Uorescence, Uorescence decay, Zitnik.
Abstract
High resolution synchrotron radiation has been used to makeextensive measurements of the doubly excited states converging on theHe(N 2) ionization threshold of helium. The excitation of two series of triplet doubly excited states,2pnd(3Do) andsp2,n(3Po),have recently been observed by Penent et al (2001 Phys.Rev.Lett.86 2758). In this paperthe excitation of a third weakly excited series of triplet doubly excited states,2pnd(3Po),which was suggested by the previous measurements, is confirmed. The metastable atomyields, resulting from the radiative decay of these three observable series of triplet doublyexcited series, are reported and compared to the recent theoretical calculations of itnik et al (2002 Phys.Rev.A 65 032520).
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Affiliations:
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Ahmad</name><affiliation wicri:level="3"><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire de Dynamique des Ions, Atomes et Molcules, Universit Pierre et Marie Curie, 75252 Paris Cedex 05</wicri:regionArea><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Paris</settlement></placeName></affiliation></author><author><name sortKey="Itnik, M" sort="Itnik, M" uniqKey="Itnik M" first="M" last="Itnik">M. Itnik</name><affiliation wicri:level="1"><country xml:lang="fr">Slovénie</country><wicri:regionArea>J Stefan Institute, Jamova 39, 1000 Ljubljana</wicri:regionArea><wicri:noRegion>1000 Ljubljana</wicri:noRegion></affiliation></author><author><name sortKey="Buar, K" sort="Buar, K" uniqKey="Buar K" first="K" last="Buar">K. Buar</name><affiliation wicri:level="1"><country xml:lang="fr">Slovénie</country><wicri:regionArea>J Stefan Institute, Jamova 39, 1000 Ljubljana</wicri:regionArea><wicri:noRegion>1000 Ljubljana</wicri:noRegion></affiliation></author><author><name sortKey="Hammond, P" sort="Hammond, P" uniqKey="Hammond P" first="P" last="Hammond">P. Hammond</name><affiliation wicri:level="1"><country xml:lang="fr">Australie</country><wicri:regionArea>Centre for Atomic, Molecular and Surface Physics, University of Western Australia, Crawley, Perth, WA6009</wicri:regionArea><wicri:noRegion>WA6009</wicri:noRegion></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Australie</country></affiliation></author><author><name sortKey="Stranges, S" sort="Stranges, S" uniqKey="Stranges S" first="S" last="Stranges">S. Stranges</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>Dipartimento di Chimica, Universit di Roma La Sapienza, 00185 Rome</wicri:regionArea><placeName><settlement type="city">Rome</settlement><region nuts="2">Latium</region></placeName></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>INFM Unit Laboratorio TASC, Area Science Park, I-34012 Trieste</wicri:regionArea><wicri:noRegion>I-34012 Trieste</wicri:noRegion></affiliation></author><author><name sortKey="Richter, R" sort="Richter, R" uniqKey="Richter R" first="R" last="Richter">R. Richter</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>Sincrotrone Trieste, I-34012, Trieste</wicri:regionArea><wicri:noRegion>Trieste</wicri:noRegion></affiliation></author><author><name sortKey="Alagia, M" sort="Alagia, M" uniqKey="Alagia M" first="M" last="Alagia">M. Alagia</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>IMIP-CNR, c/o Gas Phase Beamline, Laboratorio Elettra, I-34012 Trieste</wicri:regionArea><wicri:noRegion>I-34012 Trieste</wicri:noRegion></affiliation></author><author><name sortKey="Coreno, M" sort="Coreno, M" uniqKey="Coreno M" first="M" last="Coreno">M. Coreno</name><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>IMIP-CNR, c/o Gas Phase Beamline, Laboratorio Elettra, I-34012 Trieste</wicri:regionArea><wicri:noRegion>I-34012 Trieste</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Italie</country><wicri:regionArea>INFM Unit Laboratorio TASC, Area Science Park, I-34012 Trieste</wicri:regionArea><wicri:noRegion>I-34012 Trieste</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Physics B: Atomic, Molecular and Optical Physics</title><title level="j" type="abbrev">J. Phys. B: At. Mol. Opt. Phys.</title><idno type="ISSN">0953-4075</idno><idno type="eISSN">1361-6455</idno><imprint><publisher>Institute of Physics Publishing</publisher><date type="published" when="2003">2003</date><biblScope unit="volume">36</biblScope><biblScope unit="issue">21</biblScope><biblScope unit="page" from="4339">4339</biblScope><biblScope unit="page" to="4350">4350</biblScope><biblScope unit="production">Printed in the UK</biblScope></imprint><idno type="ISSN">0953-4075</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0953-4075</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Artefact</term><term>Autoionization</term><term>Beamline</term><term>Clear evidence</term><term>Electric fields</term><term>Electron state</term><term>Energy calibration</term><term>Excitation</term><term>Excited states</term><term>Experimental device</term><term>Fano</term><term>Gure</term><term>Helium</term><term>Helium ground state</term><term>Helium ions</term><term>Ionization</term><term>Ionization threshold</term><term>Lambourne</term><term>Last digit</term><term>Lett</term><term>Lineshape</term><term>Metastable</term><term>Metastable atom</term><term>Metastable atom yields</term><term>Metastable atoms</term><term>Metastable state</term><term>Metastable states</term><term>Monochromator</term><term>Monochromator function</term><term>Observable triplet series</term><term>Penent</term><term>Phase beamline</term><term>Photoion</term><term>Photoionization</term><term>Photon</term><term>Photon yields</term><term>Phys</term><term>Quantum defect</term><term>Quantum defect values</term><term>Radiative decay</term><term>Relative intensities</term><term>Singlet series</term><term>Small peaks</term><term>Smaller peaks</term><term>Synchrotron</term><term>Synchrotron radiation</term><term>Theoretical values</term><term>Triplet</term><term>Triplet series</term><term>Triplet state</term><term>Triplet states</term><term>Ultraviolet visible spectrometry</term><term>Uorescence</term><term>Uorescence decay</term><term>Zitnik</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>3280F</term><term>Champ électrique</term><term>Dispositif expérimental</term><term>Désintégration radiative</term><term>Etat excité</term><term>Etat triplet</term><term>Etat électronique</term><term>Hélium</term><term>Hélium ion</term><term>Photoionisation</term><term>Rayonnement synchrotron</term><term>Spectrométrie UV visible</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Artefact</term><term>Autoionization</term><term>Beamline</term><term>Clear evidence</term><term>Energy calibration</term><term>Excitation</term><term>Fano</term><term>Gure</term><term>Helium ground state</term><term>Ionization</term><term>Ionization threshold</term><term>Lambourne</term><term>Last digit</term><term>Lett</term><term>Lineshape</term><term>Metastable</term><term>Metastable atom</term><term>Metastable atom yields</term><term>Metastable atoms</term><term>Metastable state</term><term>Metastable states</term><term>Monochromator</term><term>Monochromator function</term><term>Observable triplet series</term><term>Penent</term><term>Phase beamline</term><term>Photoion</term><term>Photon</term><term>Photon yields</term><term>Phys</term><term>Quantum defect</term><term>Quantum defect values</term><term>Relative intensities</term><term>Singlet series</term><term>Small peaks</term><term>Smaller peaks</term><term>Synchrotron</term><term>Theoretical values</term><term>Triplet</term><term>Triplet series</term><term>Triplet states</term><term>Uorescence</term><term>Uorescence decay</term><term>Zitnik</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">High resolution synchrotron radiation has been used to makeextensive measurements of the doubly excited states converging on theHe(N 2) ionization threshold of helium. The excitation of two series of triplet doubly excited states,2pnd(3Do) andsp2,n(3Po),have recently been observed by Penent et al (2001 Phys.Rev.Lett.86 2758). In this paperthe excitation of a third weakly excited series of triplet doubly excited states,2pnd(3Po),which was suggested by the previous measurements, is confirmed. The metastable atomyields, resulting from the radiative decay of these three observable series of triplet doublyexcited series, are reported and compared to the recent theoretical calculations of itnik et al (2002 Phys.Rev.A 65 032520).</div></front></TEI><affiliations><list><country><li>Australie</li><li>France</li><li>Italie</li><li>Slovénie</li></country><region><li>Latium</li><li>Île-de-France</li></region><settlement><li>Orsay</li><li>Paris</li><li>Rome</li></settlement></list><tree><country name="France"><region name="Île-de-France"><name sortKey="Lambourne, J G" sort="Lambourne, J G" uniqKey="Lambourne J" first="J G" last="Lambourne">J G Lambourne</name></region><name sortKey="Ahmad, M" sort="Ahmad, M" uniqKey="Ahmad M" first="M" last="Ahmad">M. Ahmad</name><name sortKey="Hall, R I" sort="Hall, R I" uniqKey="Hall R" first="R I" last="Hall">R I Hall</name><name sortKey="Lablanquie, P" sort="Lablanquie, P" uniqKey="Lablanquie P" first="P" last="Lablanquie">P. Lablanquie</name><name sortKey="Penent, F" sort="Penent, F" uniqKey="Penent F" first="F" last="Penent">F. Penent</name></country><country name="Slovénie"><noRegion><name sortKey="Itnik, M" sort="Itnik, M" uniqKey="Itnik M" first="M" last="Itnik">M. Itnik</name></noRegion><name sortKey="Buar, K" sort="Buar, K" uniqKey="Buar K" first="K" last="Buar">K. Buar</name></country><country name="Australie"><noRegion><name sortKey="Hammond, P" sort="Hammond, P" uniqKey="Hammond P" first="P" last="Hammond">P. Hammond</name></noRegion><name sortKey="Hammond, P" sort="Hammond, P" uniqKey="Hammond P" first="P" last="Hammond">P. Hammond</name></country><country name="Italie"><region name="Latium"><name sortKey="Stranges, S" sort="Stranges, S" uniqKey="Stranges S" first="S" last="Stranges">S. Stranges</name></region><name sortKey="Alagia, M" sort="Alagia, M" uniqKey="Alagia M" first="M" last="Alagia">M. Alagia</name><name sortKey="Coreno, M" sort="Coreno, M" uniqKey="Coreno M" first="M" last="Coreno">M. Coreno</name><name sortKey="Coreno, M" sort="Coreno, M" uniqKey="Coreno M" first="M" last="Coreno">M. Coreno</name><name sortKey="Richter, R" sort="Richter, R" uniqKey="Richter R" first="R" last="Richter">R. Richter</name><name sortKey="Stranges, S" sort="Stranges, S" uniqKey="Stranges S" first="S" last="Stranges">S. Stranges</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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