Lifetime measurements and calculated transition probabilities in W III

[en] 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<70 000 cm-1 and with log gf=- 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.

Disciplines :

Physics

Author, co-author :

Palmeri, Patrick

Quinet, Pascal ; Université de Mons > Faculté des Sciences > Astrophysique et spectroscopie

Fivet, Vanessa

Biémont, Emile

Nilsson, H.

Engström, L.

Lundberg, H.

Language :

English

Title :

Lifetime measurements and calculated transition probabilities in W III

Publication date :

01 July 2008

Journal title :

Physica Scripta

ISSN :

0031-8949

Publisher :

Royal Swedish Academy of Sciences, Sweden

Volume :

Issue :

Pages :

1-5

Peer reviewed :

Peer Reviewed verified by ORBi

Research unit :

S804 - Astrophysique et spectroscopie
S888 - Physique atomique et Astrophysique

Available on ORBi UMONS :

since 10 July 2010

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