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Investigation of the incomplete fusion reaction mechanism in the 20Ne+122Sn reaction

ECT* Seminar
Jan Mierzejewski (Heavy Ion Laboratory, University of Warsaw, Poland)
19 Mar 2014 - 11:00
Villa Tambosi 2nd Floor, Seminar Room

The 20Ne+122Sn reaction has been investigated using the EAGLE array at the Heavy Ion Laboratory, University of Warsaw. The experiment provided exclusive α particle spectra registered over 4π solid angle for the α5n and α6n channels at two beam energies: 141 and 150 MeV. The data were interpreted using a Monte-Carlo code called COMPA, based on the statistical theory. For both energies the number of α particles emitted in forward angles exceeds the predictions of the statistical model, which assumes that they can be emitted only by the evaporation mechanism. The observed excess of α particles may be attributed mainly to the process of incomplete fusion. We propose to simulate the incomplete fusion α particle spectra using the PLATYPUS code and compare it with the experiment.