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Spectroscopy of Tokomak (C)

#0161-2


g-ray Spectroscopy of Tokamak Plasmas.

Tech Area / Field

  • FUS-PLA/Plasma Physics/Fusion

Status
8 Project completed

Registration date
23.10.1995

Completion date
07.02.1999

Senior Project Manager
Karabashev S G

Leading Institute
Russian Academy of Sciences / Physical Technical Institute, Russia, St Petersburg

Supporting institutes

  • VNIIEF, Russia, N. Novgorod reg., Sarov\nKurchatov Research Center, Russia, Moscow

Collaborators

  • Joint European Torus (JET), UK, Culham\nFOM / Instituut voor Plasmafysica, The Netherlands, Neiuwegein\nENEA, Italy, Frascati\nJAERI, Japan, Tokyo

Project summary

The prime goal of the Project #161-94 is the study of the behavior of fast protons and fusion alpha particles in plasma by means gamma-ray spectroscopy.

Gamma-ray spectroscopy is a new diagnostic trend in the plasma physics. The method is based on the detection and analysis of high energy gamma rays resulting from fusion and nuclear reactions that take place between fast ions and background impurity or targets injected in the plasma. The observation of certain gamma rays provides useful information on the energy distribution of the fast ions and, hence, the effectiveness of the plasma confinement and heating.

Unfortunately, a complete using of the method is impeded by the lack of basic gamma-ray production cross-section data for protons and alpha particles interacting with light impurities.

Therefore, the main branches of the Project are study of the diagnostic nuclear reactions using the Ioffe Cyclotron and Arzamas Tandem Generator and development of the data base.

Analysis of results of the work on the Project during the 4 quarters (including zero quarter) shows that addition efforts are needed to attain success in the final stage. It is expected to extend activities for in-beam experiments at the accelerators, data acquisition and data base development.


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