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Lifetime measurements and calculated transition probabilities in W III

Identifieur interne : 001265 ( Main/Exploration ); précédent : 001264; suivant : 001266

Lifetime measurements and calculated transition probabilities in W III

Auteurs : P. Palmeri [Belgique] ; P. Quinet [Belgique] ; V. Fivet [Belgique] ; V. Bimont [Belgique] ; H. Nilsson [Suède] ; L. Engstrm [Suède] ; H. Lundberg [Suède]

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RBID : ISTEX:E38DBEF8FA6B3631D40D30757BB136E4F22D1419

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Abstract

New experimental lifetimes for two levels in doubly ionized tungsten, W III, have been obtained using the time-resolved laser-induced-fluorescence technique. Theoretical oscillator strengths obtained from a HFR calculation including the effects of core-polarization are reported for all transitions from levels below E<70000cm1 and with loggf- 2, thus greatly extending our knowledge of the radiative data in W III. Good agreement is found between the calculated lifetimes and the experimental values from this and previous works. These new results fill a gap in the available data for this ion which is expected to play an important role in fusion reactors.

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DOI: 10.1088/0031-8949/78/01/015304


Affiliations:


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<div type="abstract">New experimental lifetimes for two levels in doubly ionized tungsten, W III, have been obtained using the time-resolved laser-induced-fluorescence technique. Theoretical oscillator strengths obtained from a HFR calculation including the effects of core-polarization are reported for all transitions from levels below E<70000cm1 and with loggf- 2, thus greatly extending our knowledge of the radiative data in W III. Good agreement is found between the calculated lifetimes and the experimental values from this and previous works. These new results fill a gap in the available data for this ion which is expected to play an important role in fusion reactors.</div>
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