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AbstractAbstract
[en] The mercury isotopes were studied by means of the two pick-up reactions (p,d) and (p,t). Enriched targets of 204Hg, 202Hg, 201Hg, 200Hg, 199Hg, 198Hg and 196Hg were bombarded by a 25 MeV proton beam from the Orsay MP tandem accelerator. Emitted particles were analyzed by a split-pole magnetic spectrometer. We present all the results (nearly 150 states) of the analysis of the (p,d) reactions. Our (p,d) and (p,t) study show new discontinuities around 200Hg in systematics of mercury isotopes. Part of the results are compared to the U(5) limits of Interacting Bosons (and Fermions) Models. The light nuclei can be considered reasonably described but this could be somewhat fortuitous. (71 refs)
[fr]
Les noyaux de mercure ont ete etudies au moyen des deux reactions de transfert (p,d) et (p,t) effectuees sur sept cibles enrichies respectivement en 204Hg, 202Hg, 201Hg, 200Hg, 199Hg, 198Hg et 196Hg. Les experiences ont ete realisees avec un faisceau de protons d'energie 25 MeV, aupres de l'accelerateur Tandem MP, les ejectiles etant analyses dans un spectrometre Split-Pole. Les resultats de la reaction (p,d), l'analyse d'environ 150 niveaux, sont presentes de facon extensive. Les resultats issus des deux reactions font apparaitre, dans les systematiques des proprietes de ces isotopes, de nouvelles discontinuites au voisinage du 200Hg. Une partie des donnees est comparee aux predictions des cas limites des symetries U(5) apparaissant dans les modeles des Bosons (et Fermions) en interaction. L'accord satisfaisant en ce qui concerne les isotopes legers, demande a etre confirme et explique. (71 refs)Original Title
Contribution a l'etude de la structure des isotopes de mercure au moyen de la reaction (p,d)
Primary Subject
Source
Oct 1985; 128 p; These (D. es Sci.).
Record Type
Report
Literature Type
Thesis/Dissertation; Numerical Data
Report Number
Country of publication
ANGULAR DISTRIBUTION, DEUTERONS, ENERGY LEVELS, EXPERIMENTAL DATA, INTERACTING BOSON MODEL, MERCURY 196 TARGET, MERCURY 198 TARGET, MERCURY 199 TARGET, MERCURY 200 TARGET, MERCURY 201 TARGET, MERCURY 202 TARGET, MERCURY 204 TARGET, MEV RANGE 10-100, PICKUP REACTIONS, PROTON REACTIONS, SPECTROSCOPIC FACTORS, TRITONS
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