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John Newton

Researcher at Australian National University

Publications -  89
Citations -  3975

John Newton is an academic researcher from Australian National University. The author has contributed to research in topics: Fission & Nuclear reaction. The author has an hindex of 34, co-authored 89 publications receiving 3635 citations. Previous affiliations of John Newton include Science and Engineering Research Council.

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Barrier distributions from the fusion of oxygen ions with Sm 1 4 4 , 1 4 8 , 1 5 4 and W 186

TL;DR: In this representation it is clearly seen that the excitation functions are not smooth and featureless; each is unique and is shown to depend on the details of the structure of the interacting nuclei.
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Effect of breakup on the fusion of Li 6 , Li 7 , and Be 9 with heavy nuclei

TL;DR: In this paper, high precision complete and incomplete fusion cross sections have been measured for the $6}\mathrm{Li}+^{209}\mathm{Bi}, $7]-mathrm[Li+^{ 209]-mathm[Bi], and $9]-mathmm{Be}+''208]-Pb reactions, at energies near and below the Coulomb barrier.
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Fusion versus breakup: Observation of large fusion suppression for 9Be+208Pb

TL;DR: In this paper, the experimental fusion barrier distribution extracted from these data allows reliable prediction of the expected complete fusion cross sections, but the measured cross sections are only 68% of those predicted, which supports the interpretation that this suppression of fusion is caused by incomplete fusion products breaking up into charged fragments before reaching the fusion barrier.
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Conclusive evidence for the influence of nuclear orientation on quasifission.

TL;DR: Fission fragment anisotropies and mass distributions have been measured to high accuracy, over a wide range of angles, for the full momentum transfer fission reaction as mentioned in this paper, where the bombarding energies spanned the fusion barrier distribution, in steps of 1 MeV.
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Systematic Failure of the Woods-Saxon Nuclear Potential to Describe Both Fusion and Elastic Scattering: Possible Need for a New Dynamical Approach to Fusion

TL;DR: A large number of precision fusion excitation functions, at energies above the average fusion barriers, have been fitted using the Woods-Saxon form for the nuclear potential in a barrier passing model of fusion.