Bulletin of the American Physical Society
Fall 2022 Meeting of the APS Division of Nuclear Physics
Volume 67, Number 17
Thursday–Sunday, October 27–30, 2022; Time Zone: Central Daylight Time, USA; New Orleans, Louisiana
Session PJ: Applications of Nuclear Physics II
10:30 AM–12:06 PM,
Sunday, October 30, 2022
Hyatt Regency Hotel
Room: Imperial 11
Chair: Mary Kidd, Tennessee Technological University
Abstract: PJ.00003 : A new technique for extracting isomeric yield ratios of fission fragments
10:54 AM–11:06 AM
Presenter:
Dorthea Gjestvang
(Department of Physics, University of Oslo, N-0316 Oslo, Norway)
Authors:
Dorthea Gjestvang
(Department of Physics, University of Oslo, N-0316 Oslo, Norway)
Jonathan N Wilson
(Université Paris-Saclay, CNRS/IN2P3, IJC Laboratory, Orsay, France)
Sunniva Siem
(Department of Physics, University of Oslo, N-0316 Oslo, Norway)
Collaboration:
nu-Ball
A new technique for extracting IYRs of fission fragments has been developed. With this technique, isomers with half-lives on the order of 10-7 seconds become accessible. We show values for the IYRs of 134Te produced in the 238U(n,f), 232Th(n,f), and 252Cf(sf) reactions. Furthermore, this technique allows for the control of the number of neutrons emitted from the system as well as the minimum spin of the partner fragment, which adds new information to our understanding of angular momentum generation in nuclear fission.
[1] H. Naik, et al., Nuclear Physics A 587, 273 (1995).
[2] T. Datta, et al., Phys. Rev. C 28 (1983).
[3] A. Mattera, et al., Eur. Phys. J. A 54, 33 (2018).
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