EPJ Web of Conferences
Volume 62, 2013Fission 2013 – Fifth International Workshop on Nuclear Fission and Fission Product Spectroscopy
|Number of page(s)||6|
|Section||Instrumentation dedicated to Fission|
|Published online||13 December 2013|
Principles of a gas filled magnetic spectrometer for fission studies
1 Institut Laue-Langevin, 6 rue Jules Horowitz, 38042 Grenoble, France
2 LPSC Grenoble, CNRS/IN2P3, 53 rue des Martyrs, 38026 Grenoble, France
a e-mail: email@example.com
Published online: 13 December 2013
The spectroscopy of the prompt gamma decay from fission products gives information on the entry states, e.g. distribution functions for excitation energy and spin, and therefore a direct link to the fission process itself. This type of spectroscopy is, however, only possible when a filter can be constructed which allows setting a gate to the gamma-spectrum in a narrow region in mass and nuclear charge, as well as on the total excitation energy of the fragment split under investigation. A possible configuration of a prompt gamma-ray spectrometer consist of a gamma-ray array composed of high resolution germanium detectors, coupled to a gas filled magnet. We will outline the principles for a gas filled magnetic spectrometer for fission product spectroscopy. In particular the focusing characteristics of such a device, which are valid for particles in the velocity regime of E/A< 1MeV/amu, will be addressed. First experiments on the LOHENGRIN spectrometer in Grenoble investigating on the behavior of fission products in gas filled magnets have been performed, and have validated the experimental approach to the nuclear fission process with such a device.
© Owned by the authors, published by EDP Sciences, 2013
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