Lifetime measurments of excited states in neutron-rich fission fragments

T.W. Hagen L. Grente A. Görgen M.-D. Salsac 1 W. Korten 1 F. Farget 2 T. Braunroth B. Bruyneel 1 I. Celikovic 2 E. Clément 2 G. De France 2 O. Delaune 2 A. Dewald A. Dijon 2 M. Hackstein B. Jacquot 2 J. Litzinger J. Ljungvall 3 C. Louchart 1 C. Michelagnoli D.R. Napoli A. Navin 2 F. Recchia M. Rejmund 2 W. Rother E. Sahin S. Siem B. Sulignano 1 Ch. Theisen 1 J.J. Valiente-Dobon
1 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
2 GANIL - Grand Accélérateur National d'Ions Lourds
3 CSNSM SNO
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière : UMR8609
Abstract : Lifetimes of short-lived excited states in a wide range of neutron-rich fission fragments were measured using the recoil distance Doppler shift (RDDS) technique, which was applied to fusion-fission reactions in inverse kinematics for the first time. The fission fragments were identified eventby- event in mass, charge, and atomic number using the VAMOS magnetic spectrometer at GANIL. Gamma rays originating from the fission fragments were measured with the EXOGAM array of Ge Clover detectors around the target position. Using a degrader, the change in the Doppler shift of the $\gamma$ ray allows the application of the RDDS method. Details of the experimental technique will be discussed and the status for the ongoing analysis for odd-mass yttrium isotopes will be presented.
Type de document :
Communication dans un congrès
XXXIV Mazurian Lakes Conference on Physics, Sep 2015, Piaski, Poland. Acta Physica Polonica B, 47 (3), pp.903-910, 2016, 〈10.5506/APhysPolB.47.903〉
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http://hal.in2p3.fr/in2p3-01294476
Contributeur : Michel Lion <>
Soumis le : mardi 29 mars 2016 - 12:52:44
Dernière modification le : mercredi 31 janvier 2018 - 12:29:47

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IN2P3 | GANIL | CSNSM | DSM-IRFU | CEA | CEA-UPSAY | UNIV-PARIS-SACLAY | CEA-DRF | DSM-GANIL

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T.W. Hagen, L. Grente, A. Görgen, M.-D. Salsac, W. Korten, et al.. Lifetime measurments of excited states in neutron-rich fission fragments. XXXIV Mazurian Lakes Conference on Physics, Sep 2015, Piaski, Poland. Acta Physica Polonica B, 47 (3), pp.903-910, 2016, 〈10.5506/APhysPolB.47.903〉. 〈in2p3-01294476〉

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