Nuclear structure effects in quasifission - Understanding the formation of the heaviest elements

D. J. Hinde, E. Williams, G. Mohanto, C. Simenel, D. Y. Jeung, M. Dasgupta, E. Prasad, A. Wakhle, K. Vo-Phuoc, I. P. Carter, K. J. Cook, D. H. Luong, C. S. Palshetkar, D. C. Rafferty, E. C. Simpson

    Research output: Contribution to journalConference articlepeer-review

    2 Citations (Scopus)


    Quasifission is an important process suppressing the fusion of two heavy nuclei in reactions used to create superheavy elements. Quasifission results in rapid separation of the dinuclear system initially formed at contact. Achieving reliable a priori prediction of quasifission probabilities is a very difficult problem. Through measurements with projectiles from C to Ni, the Australian National University's Heavy Ion Accelerator Facility and CUBE spectrometer have been used to map out mass-angle distributions (MAD) - the fission mass-ratio as a function of centre-of-mass angle. These provide information on quasifission dynamics in the least modeldependent way. Average quasifission time-scales have been extracted, and compared with TDHF calculations of the collisions, with good agreement being found. With the baseline information from the survey of experimental MAD, strong influences of the nuclear structure of the projectile and target nuclei can be clearly determined.

    Original languageEnglish
    Article number03005
    JournalEPJ Web of Conferences
    Publication statusPublished - 5 Sept 2016
    Event2015 Heavy Ion Accelerator Symposium, HIAS 2015 - Canberra, Australia
    Duration: 14 Sept 201518 Sept 2015


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