How signatures of quasifission evolve in reactions forming Curium

E. Williams, D. J. Hinde, M. Dasgupta, R. Du Rietz, I. P. Carter, M. Evers, D. H. Luong, S. D. McNeil, D. C. Rafferty, K. Ramachandran, A. Wakhle

    Research output: Contribution to journalConference articlepeer-review

    Abstract

    Quasifission, a fission-like reaction outcome in which no compound nucleus forms, is an important competitor to fusion in reactions used for super-heavy element formation. The precise mechanisms driving the competition between quasifission and fusion are poorly understood. To explore the influence reaction parameters have on quasifission probabilities, an investigation into the evolution of quasifission signatures as a function of entrance channel parameters is required. Using the Australian National University's 14UD tandem accelerator and CUBE detector for two-body fission studies, measurements were made for a diverse range of reactions forming isotopes of Curium. Observables known to reveal signs of quasifission-namely mass ratio spectra, mass-angle distributions, and angular anisotropies-were extracted. Evidence of quasifission was observed in all reactions, but the observables showing evidence of quasifission were not the same for all reactions. A link between this evolution and reaction timescales will be discussed.

    Original languageEnglish
    Article number00063
    JournalEPJ Web of Conferences
    Volume86
    DOIs
    Publication statusPublished - 29 Jan 2015
    Event6th International Conference on FUSION 2014 - New Delhi, India
    Duration: 24 Feb 201428 Feb 2014

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