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Studies of fission fragment properties at the Los Alamos Neutron Science Center (LANSCE)

Journal Article · · EPJ Web of Conferences
 [1];  [1];  [1];  [1];  [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
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Nuclear data related to the fission process are needed for a wide variety of research areas, including fundamental science, nuclear energy and non-proliferation. While some of the relevant data have been measured to the required accuracies there are still many aspects of fission that need further investigation. One such aspect is how Total Kinetic Energy (TKE), fragment yields, angular distributions and other fission observables depend on excitation energy of the fissioning system. Another question is the correlation between mass, charge and energy of fission fragments. At the Los Alamos Neutron Science Center (LANSCE) we are studying neutron-induced fission at incident energies from thermal up to hundreds of MeV using the Lujan Center and Weapons Neutron Research (WNR) facilities. Advanced instruments such as SPIDER (time-of-flight and kinetic energy spectrometer), the NIFFTE Time Projection Chamber (TPC), and Frisch grid Ionization Chambers (FGIC) are used to investigate the properties of fission fragments, and some important results for the major actinides have been obtained.

Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP) (NA-10)
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1412892
Report Number(s):
LA-UR--16-29564
Journal Information:
EPJ Web of Conferences, Journal Name: EPJ Web of Conferences Vol. 146; ISSN 2100-014X
Publisher:
EDP SciencesCopyright Statement
Country of Publication:
United States
Language:
English

References (5)

The Los Alamos Neutron Science Center
  • Lisowski, Paul W.; Schoenberg, Kurt F.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 562, Issue 2 https://doi.org/10.1016/j.nima.2006.02.178
journal June 2006
A fission fragment detector for correlated fission output studies
  • Mosby, S.; Tovesson, F.; Couture, A.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 757 https://doi.org/10.1016/j.nima.2014.04.066
journal September 2014
Development of position-sensitive time-of-flight spectrometer for fission fragment research
  • Arnold, C. W.; Tovesson, F.; Meierbachtol, K.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 764 https://doi.org/10.1016/j.nima.2014.07.001
journal November 2014
The SPIDER fission fragment spectrometer for fission product yield measurements
  • Meierbachtol, K.; Tovesson, F.; Shields, D.
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 788 https://doi.org/10.1016/j.nima.2015.02.032
journal July 2015
Total prompt energy release in the neutron-induced fission of 235U, 238U, and 239Pu journal June 2006

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Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS