Updating Fission Yield Data for Applications

Open for proposals

Project Type

Coordinated Research Project

Project Code

F42007

CRP

2243

Approved Date

19 December 2018

Status

3 - Active - Ongoing

Start Date

26 June 2020

Expected End Date

1 September 2025

Participating Countries

Belgium
France
Germany
Israel
Japan
Romania
Spain
Switzerland
United Kingdom of Great Britain and Northern Ireland
United States of America

Objectives

Update the evaluated independent and cumulative fission yield data for U-235,U-238, and Cf-252.

Specific objectives

Compile all available experimental data on independent and cumulative fission yields, measured total kinetic energies and total neutron yields, mass and charge-yield data.

Assess experimental data at all available incident energies to establish consistency and characterize experimental uncertainties.

Evaluate the available experimental data and provide recommended fission yield data with associated uncertainties for U-235, U-238, Cf-252 (and possibly for Pu-239, Pu-241).

Improve models and systematics to provide fission yield data for masses and incident energies where experimental data are not available.

Develop formats to store new information such as covariances and incident energy dependencies beyond the standard thermal, fast and 14 MeV energies.

Validate the new evaluated fission yield data files against valid benchmark measurements and integral data.

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