A new system for photon induced fluorescence spectroscopy applied to the study of doubly excited states of helium

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Title: A new system for photon induced fluorescence spectroscopy applied to the study of doubly excited states of helium
Authors: Coreno, M.1,2, Simone, M. de2, Danailov, M.3, Richter, R.3, Kivimäki, A.4, Zitnik, M.5, Prince, K.C.2,3 kevin.prince@elettra.trieste.it
Source: Journal of Electron Spectroscopy & Related Phenomena. Jun2005, Vol. 144-147, p39-42. 4p.
Subjects: Fluorescence spectroscopy, Noble gases, Energy levels (Quantum mechanics), Light absorption
Abstract: Abstract: A new system for photon induced fluorescence spectroscopy (PIFS) at the gas phase photoemission beamline (Elettra, Trieste) is described. It consists of a novel non-dispersive detector for VUV photons and a spectrometer for UV/visible light with cooled CCD detector. To illustrate the performance of the apparatus, the fluorescence decay of the doubly excited states of helium below the N =2 ionization threshold has been studied. Fluorescence emission from both singlet and triplet states has been observed, and in particular weak visible emission resulting from decay of 73D and 83D triplet states confirmed the recently published assignment of these states. This illustrates how PIFS can be used to provide a direct and unambiguous verification of the assignments of states observed in photoabsorption. [Copyright &y& Elsevier]
Copyright of Journal of Electron Spectroscopy & Related Phenomena is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 17680876
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: A new system for photon induced fluorescence spectroscopy applied to the study of doubly excited states of helium
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  Data: <searchLink fieldCode="AR" term="%22Coreno%2C+M%2E%22">Coreno, M.</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Simone%2C+M%2E+de%22">Simone, M. de</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Danailov%2C+M%2E%22">Danailov, M.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Richter%2C+R%2E%22">Richter, R.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Kivimäki%2C+A%2E%22">Kivimäki, A.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Zitnik%2C+M%2E%22">Zitnik, M.</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Prince%2C+K%2EC%2E%22">Prince, K.C.</searchLink><relatesTo>2,3</relatesTo><i> kevin.prince@elettra.trieste.it</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Electron+Spectroscopy+%26+Related+Phenomena%22">Journal of Electron Spectroscopy & Related Phenomena</searchLink>. Jun2005, Vol. 144-147, p39-42. 4p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Fluorescence+spectroscopy%22">Fluorescence spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Noble+gases%22">Noble gases</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+levels+%28Quantum+mechanics%29%22">Energy levels (Quantum mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Light+absorption%22">Light absorption</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Abstract: A new system for photon induced fluorescence spectroscopy (PIFS) at the gas phase photoemission beamline (Elettra, Trieste) is described. It consists of a novel non-dispersive detector for VUV photons and a spectrometer for UV/visible light with cooled CCD detector. To illustrate the performance of the apparatus, the fluorescence decay of the doubly excited states of helium below the N =2 ionization threshold has been studied. Fluorescence emission from both singlet and triplet states has been observed, and in particular weak visible emission resulting from decay of 73D and 83D triplet states confirmed the recently published assignment of these states. This illustrates how PIFS can be used to provide a direct and unambiguous verification of the assignments of states observed in photoabsorption. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Electron Spectroscopy & Related Phenomena is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.elspec.2005.01.272
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      – Code: eng
        Text: English
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        PageCount: 4
        StartPage: 39
    Subjects:
      – SubjectFull: Fluorescence spectroscopy
        Type: general
      – SubjectFull: Noble gases
        Type: general
      – SubjectFull: Energy levels (Quantum mechanics)
        Type: general
      – SubjectFull: Light absorption
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      – TitleFull: A new system for photon induced fluorescence spectroscopy applied to the study of doubly excited states of helium
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            NameFull: Coreno, M.
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            NameFull: Simone, M. de
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            NameFull: Danailov, M.
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            NameFull: Richter, R.
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            NameFull: Kivimäki, A.
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            NameFull: Zitnik, M.
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            NameFull: Prince, K.C.
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              Text: Jun2005
              Type: published
              Y: 2005
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              Value: 144-147
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            – TitleFull: Journal of Electron Spectroscopy & Related Phenomena
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