New high-spin states of $^{142}_ {58}$Ce and $^{140}_{56}$Ba from fusion-fission reactions: Proton excitations in the N = 84 isotones - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue European Physical Journal A Année : 2007

New high-spin states of $^{142}_ {58}$Ce and $^{140}_{56}$Ba from fusion-fission reactions: Proton excitations in the N = 84 isotones

D. Curien
G. Duchene
B.J.P. Gall

Résumé

High-spin states in the $^{142}$Ce and $^{140}$Ba nuclei have been populated in the $^{12}$C + $^{238}$U and $^{18}$O + $^{208}$Pb fusion-fission reactions at 90 MeV and 85 MeV bombarding energy, respectively. The emitted $\gamma$-radiation was detected using the Euroball III and IV arrays. The high-spin yrast and near-to-yrast structures of $^{142}$Ce have been considerably extended. The level scheme of $^{140}$Ba has been extended by six new levels. The newly observed structures in these N = 84 isotones are discussed by analogy with the neighbouring nuclei.
Fichier principal
Vignette du fichier
paper_isotones84.pdf (154.76 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

in2p3-00244925 , version 1 (07-02-2008)

Identifiants

Citer

T. Venkova, M.-G. Porquet, I. Deloncle, P. Petkov, A. Astier, et al.. New high-spin states of $^{142}_ {58}$Ce and $^{140}_{56}$Ba from fusion-fission reactions: Proton excitations in the N = 84 isotones. European Physical Journal A, 2007, 34, pp.349-353. ⟨10.1140/epja/i2007-10526-y⟩. ⟨in2p3-00244925⟩
16 Consultations
57 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More