Total Absorption Spectroscopy of Fission Fragments Relevant for Reactor Antineutrino Spectra Determination

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© the Authors, 2016. This is an open access article published by Jagiellonian University and distributed under the terms of a Creative Common License, CC-BY-NC 3.0.
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Total Absorption Spectroscopy of Fission Fragments Relevant for Reactor Antineutrino Spectra Determination

The contribution of each fission fragment to the reactor antineutrino spectra was determined using the summation method based on the existing information on fission yields and decay data contained in nuclear databases and the reactor evolution code MURE. The beta decay of some of the main contributors has been studied using the Total Absorption Spectroscopy (TAS) technique during two experimental campaigns at the IGISOL facility, in Jyväskylä (Finland). Results on the decay of 92Rb, the most important contributor in the 4–8 MeV energy region are reported. The status of the analysis of the second experiment is presented as well.

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ISSN
0587-4254