Reactor Decay Heat in Pu-239: Solving the gamma Discrepancy in the 4-3000-s Cooling Period

This work was supported by the following projects: Spanish FPA 2005-03993 and FPA2008-06419-C02-01; Hungarian OTKA K72566; the EC Contract No. MERG-CT-2004-506849; the Finnish Center of Excellence Programme 2006-2011, the EU 6th Framework Programme (Contract No. 506065 (EURONS), and the Hungarian-Spanish collaboration program.