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Nuclear structure and reaction studies of very heavy and superheavy nuclei

Experimental nuclear physics

A. Framework

The PhD thesis will be prepared in the framework of the research field of very heavy and superheavv nuclei, employing the present GANIL cyclotron facility as well as the new separator-spectrometer set-up S3, presently being constructed at the new linear accelerator facility SPIRAL2 at GANIL. It will deal with the preparation, execution and analysis of experiments as well as with the development of photon detection schemes aimed at the identification of the atomic charge Z of the superheavy species to be produced and studied at the GANIL/SPIRAL2 facility.

B. Experimental studies

i. Multi-nucleon transfer reactions

An experiment to study reaction dynamics in the reaction 238U+238U is envisaged to be performed at the magnetic spectrometer VAMOS in conjunction with the AGATA Ge-detector array and dedicated X-ray detectors. The task of the Ph.D. candidate will be the participation in the preparation, the execution and data analysis of this experiment. In particular, the implementation of the X-ray techniques as well as the investigation of the production cross sections of heavy neutron-rich species will be the focus of the thesis work.

ii. Decay spectroscopy of very heavy and superheavy nuclei

One of the major fields of activity of S3 will be the study of the nuclear structure of the heaviest nuclear species. The detection scheme will be based on a comprehensive particle and photon detection system in the focal plane of the set-up, including reaction product, a-particle, electron, g- and X-ray detection. The development of X-ray detection performed in the framework of the thesis shall lead to the integration of these techniques in the focal plane detection system of S3.

 

Expected skills: 

  • detection techniques (semiconductors germanium, silicon)
  • experiment electronics (signal processing) and mechanics
  • computing skills (C++, analytic programming)
  • team work capabilities
  • travelling flexibility


Contact :  Dieter Ackermann

GANIL, BP 5027, 14 076 Caen cedex 05


Tél. 02 31 45 47 42

 Fax : 02 31 45 44 21 

e-mail : ackermann_at_ganil.fr



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