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Clustering Effects Within the Dinuclear Model

  • Gurgen Adamian
  • Nikolai Antonenko
  • Werner Scheid
Chapter
Part of the Lecture Notes in Physics book series (LNP, volume 848)

Abstract

The clustering of two nuclei in a nuclear system creates configurations denoted in literature as nuclear molecular structures. A nuclear molecule or a dinuclear system (DNS) as named by Volkov consists of two touching nuclei (clusters) which keep their individuality. Such a system has two main degrees of freedom of collective motions which govern its dynamics: (i) the relative motion between the clusters leading to molecular resonances in the internuclear potential and to the decay of the dinuclear system (separation of the clusters) which is called quasifission since no compound system like in fission is first formed. (ii) the transfer of nucleons or light constituents between the two clusters of the dinuclear system leading to a special dynamics of the mass and charge asymmetries between the clusters in fusion and fission reactions. In this article we discuss the essential aspects of the diabatic internuclear potential used by the di-nuclear system concept and present applications to nuclear structure and reactions. We show applications of the dinuclear model to superdeformed and hyperdeformed bands. An extended discussion is given to the problems of fusion dynamics in the production of superheavy nuclei, to the quasifission process and to multi-nucleon transfer between nuclei. Also the binary and ternary fission processes are discussed within the scission-point model and the dinuclear system concept.

Keywords

Compound Nucleus Superheavy Nucleus Light Charged Particle Mass Asymmetry Dinuclear System 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

We thank Prof. V.V. Volkov and the late Prof. S.P. Ivanova for introducing us into the ideas of the dinuclear system concept. Further, we are thankful to Prof. R.V. Jolos, Prof. Enguang Zhao and Prof. Junqing Li and all their and our coworkers for their very fruitful and pleasant collaboration with us in this actual field of nuclear physics. We thank the VW-Stiftung (Hannover), the DFG (Bonn) and the RFBR (Moscow) for their continuous financial support of this work.

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Copyright information

© Springer-Verlag Berlin Heidelberg  2012

Authors and Affiliations

  • Gurgen Adamian
    • 1
  • Nikolai Antonenko
    • 1
  • Werner Scheid
    • 2
  1. 1.Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear ResearchDubna (Moscow region)Russia
  2. 2.Institut für Theoretische Physik der Justus-Liebig-Universität GiessenGiessenGermany

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