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Inelastic deuteron breakup followed by fission at intermediate energy |
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| Authors: | V A Rubchenya W H Trzaska J Äystö A A Alexandrov I D Alkhazov K -T Brinkmann A Evsenin S V Khlebnikov A V Kuznetsov V G Lyapin M Mutterer Yu E Penionzhkevich O I Osetrov Z Radivojevich Yu G Sobolev G P Tjurin D N Vakhtin |
| Institution: | 1. Khlopin Radium Institute, St. Petersburg, Russia 5. Department of Physics, University of Jyv?skyl?, Finland 2. Flerov Laboratory of Nuclear Reactions, JINR, Dubna, 141980, Russia 3. Technical University, Dresden, Germany 4. Technical University, Darmstadt, Germany |
| Abstract: | The results of experimental and theoretical studies of the double-differential proton and neutron spectra measured in coincidence with fission fragments in the deuteron-induced reaction on a 238U target at E d =65 MeV are presented. These spectra measured in the forward direction are analyzed in the plane-wave Born approximation by using the modified model of stripping into a continuum. The pre-neutron emission fission fragment mass distributions were measured for the (d, f), (d, pf), and (d, nf) reaction channels. The enhancement of highly asymmetric mass division in the (d, pf) channel for the low-energy part of the breakup proton spectrum was observed. The (d, pf) channel can be used to imitate the neutron-induced fission at intermediate energy. The fission characteristics were analyzed in the model taking into account nuclear friction and relevant fission modes. |
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