Bulletin of the American Physical Society
6th Joint Meeting of the APS Division of Nuclear Physics and the Physical Society of Japan
Sunday–Friday, November 26–December 1 2023; Hawaii, the Big Island
Session F02: Nuclear Reaction II
9:00 AM–11:45 AM,
Thursday, November 30, 2023
Hilton Waikoloa Village
Room: Kona 1
Chair: Alan Wuosmaa, University of Connecticut
Abstract: F02.00009 : Measurement of the decay of fission products for nuclear forensics*
11:00 AM–11:15 AM
Presenter:
Andrea Mattera
(Brookhaven National Laboratory)
Authors:
Andrea Mattera
(Brookhaven National Laboratory)
Elizabeth McCutchan
(Brookhaven National Laboratory)
Jin Wu
(Brookhaven National Laboratory)
Vandana Tripathi
(FSU)
Catur Wibisono
(Florida State University)
Soumik Bhattacharya
(Florida State University)
Shuya Ota
(Brookhaven National Laboratory)
Marian Jandel
(University of Massachusetts Lowell)
Samuel L Tabor
(Florida State University)
Peter C Bender
(University of Massachusetts Lowell)
Timothy Gray
(Oak Ridge National Laboratory)
James M Allmond
(Oak Ridge National Lab)
The National Nuclear Data Center at Brookhaven National Laboratory, is pursuing a campaign to precisely determine gamma-ray intensities of selected FPs. In this work, we present the results for La-140 and Ce-143, two fission products of particular interest for nuclear forensics.
Both isotopes were produced via thermal neutron irradiation of natural samples of lanthanum and cerium at the University of Massachusetts Research Reactor, and assayed at Florida State University, using the Clarion2 array. The results of precision intensities measurements and updated decay schemes will be presented.
*This work was funded by the National Nuclear Security Administration, Defense Nuclear Nonproliferation Research and Development. The work at Brookhaven National Laboratory was sponsored by the Office of Nuclear Physics, Office of Science of the U.S. Department of Energy under Contract No. DE-SC0012704 with Brookhaven Science Associates, LLC.
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