2014 Les rendements de fission des 2 isomères de 136I ont été mesurés dans la fission de 235U (n. therm. f) et 235U (n. 3 MeV, f). Ces résultats ont été obtenus par spectrométrie 03B3 (Ge-Li) sans séparation chimique. Le rapport isomérique : Yi136I(45s)/Yi136I(45s) + Yi136I(83s) est respectivement de : 0,55 ± 0,05 (n. therm.) et 0,66 ± 0,07 (n. 3 MeV). On en déduit des valeurs du moment angulaire moyen (JRMS) respectivement égales à 5,9 ± 0,4 0127 et 7,0 ± 1, 0 0127. Abstract. 2014 Fission yields of two 136I isomers have been measured in the fission of 235U (n. therm. f) and 235U (n. 3 MeV, f). The results were obtained from 03B3 spectrometry (Ge-Li) gross spectra. The isomeric ratio : Yi136I(45s)/Yi136I(45s) + Yi136I(83s) is respectively : 0.55 ± 0.05 (n. therm.) and 0.66 ± 0.07 (n. 3 MeV). JRMS values of : 5.9 ± 0.4 0127 and 7.0 ± 1.0 0127 are deduced.
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