[en] Radiative lifetimes of seven excited states of Er III have been measured using time-resolved
laser-induced fluorescence following two-photon excitation. Relativistic Hartree-Fock
calculations taking core-polarization effects into account are found to be in excellent
agreement with the experimental results. A large set of new calculated transition probabilities
is presented for many transitions of astrophysical interest. These results will be useful for investigating the composition of chemically peculiar stars.
Disciplines :
Physics
Author, co-author :
Biémont, Emile ; Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Garnir, Henri-Pierre ; Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Bastin, Thierry ; Université de Liège - ULiège > Département de physique > Physique des atomes froids
Palmeri, P.
Quinet, Pascal ; Université de Liège - ULiège > Département de physique > Physique nucléaire, atomique et spectroscopie
Li, Z. S.
Zhang, Z. G.
Lokhnygin, V.
Svanberg, S.
Language :
English
Title :
Radiative lifetime measurements and transition probabilities of astrophysical interest in Er III
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