Progress on the Europium Neutron-Capture Study using DANCE Page: 3 of 12
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1 Progress on the Europium Neutron-Capture Study using DANCE
2 U. Agvaanluvsan, J. A Becker, R. A. Macri, W. Parker, P. Wilk, and C.Y. Wu
3 Lawrence Livermore National Laboratory, Livermore, CA 94551
4 T. A. Bredeweg, E. Esch, R.C. Haight, J.M. O'Donnell, R. Reifarth, R. S. Rundberg,
5 J. M. Schwantes, J. L. Ullmann, D. J. Vieira, J. B. Wilhelmy, and J. M. Wouters
6 Los Alamos National Laboratory, Los Alamos, NM 87545
7 G. E. Mitchell and S. Sheets
8 North Carolina State University, Raleigh, NC 27695 and
9 Triangle Universities Nuclear Laboratory, Durham, NC 27708
10 F. Becvair and M. Krticka
11 Charles University in Prague, CZ-180 00 Prague 8, Czech Republic
12 Abstract
13 The accurate measurement of neutron-capture cross sections of the Eu isotopes is
14 important for many reasons including nuclear astrophysics and nuclear diagnostics.
15 Neutron capture excitation functions of 151'153Eu targets were measured recently using a
16 47t y-ray calorimeter array DANCE located at the Los Alamos Neutron Science Center
17 for En = 0.1 - 100 keV. The progress on the data analysis efforts is given in the present
18 paper. The y-ray multiplicity distributions for the Eu targets and Be backing are
19 significantly different. The y-ray multiplicity distribution is found to be the same for
20 different neutron energies for both 15Eu and 153Eu. The statistical simulation to model the
21 y-ray decay cascade is summarized.
22 Keywords: neutron capture, neutron resonances, statistical
23 PACS. 24.30.-v, 24.30.Gz, 24.30.Gd1
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Agvaanluvsan, U.; Becker, J. A.; Macri, R. A.; Parker, W.; Wilk, P.; Wu, C. Y. et al. Progress on the Europium Neutron-Capture Study using DANCE, article, September 5, 2006; Livermore, California. (https://digital.library.unt.edu/ark:/67531/metadc890773/m1/3/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.