# Investigation of Shell Effects in the Fusion-Fission Process in the Reaction $^{34}$S + $^{186}$W Near the Interaction Barrier

Abstract : The reaction 34S + 186W at Elab = 160 MeV was investigated with the aim of diving into the features of the fusion-fission process. Gamma rays coincident with binary reaction fragments were measured using the high efficiency gamma-ray spectrometer ORGAM at the TANDEM Accelerator facility of I.P.N., Orsay, and the time-of-flight spectrometer for fission fragments registration CORSET of the Flerov Laboratory of Nuclear Reactions (FLNR), Dubna. Evidence of symmetric and asymmetric fission modes were observed in the mass and TKE distributions, occurring due to shell effects in the fragments. The coupling of the ORGAM and CORSET setups enables the FF-γ coincident measurement which offers the opportunity to extract the isotopic distribution of the fragments of different masses formed in the aforementioned reaction and to find the exact neutron multiplicity, the average spin and average angular momenta. Details regarding the experimental setup, methods of processing the acquisitioned data and preliminary results are presented.
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Conference papers

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Submitted on : Tuesday, April 12, 2016 - 2:29:18 PM
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### Citation

I.M. Harca, E.M. Kozulin, A. Bogachev, S.N. Dmitriev, J. Itkis, et al.. Investigation of Shell Effects in the Fusion-Fission Process in the Reaction $^{34}$S + $^{186}$W Near the Interaction Barrier. International Symposium on Exotic Nuclei EXON-2014, Sep 2014, Kaliningrad, Russia. pp.699-706, ⟨10.1142/9789814699464_0072⟩. ⟨in2p3-01301560⟩

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