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Title: Independent yields of the isomers of /sup 133/Xe and /sup 135/Xe for neutron-induced fission of /sup 233/U, /sup 235/U, /sup 238/U, /sup 239/Pu, and /sup 242/Am/sup m/

Abstract

Fractional independent yields of /sup 133/Xe/sup m/, /sup 133/Xe /sup g/, /sup 135/Xe/sup m/, and /sup 135/Xe /sup g/ have been measured for fission of /sup 233/U, /sup 235/U, /sup 239/Pu, and /sup 242/Am/sup m/ induced by thermal neutrons and for fission of /sup 235/U, /sup 238/U, and /sup 239/Pu induced by 14-MeV neutrons. The same yields have been measured for fission of /sup 235/U induced by degraded fission spectrum neutrons from a bare critical assembly. Some upper limits and ratios of yields of these same isomers have been obtained for the fission of /sup 238/U and /sup 239/Pu by the degraded fission spectrum neutrons. The average angular momentum of these independently formed fission products has been derived from the measured isomer ratios. A method that is particularly well adapted to use with computers for solving the differential equations of radioactive decay and growth is described.

Authors:
; ;
Publication Date:
Research Org.:
Los Alamos National Laboratory, Los Alamos, New Mexico 87545
OSTI Identifier:
6233922
Resource Type:
Journal Article
Journal Name:
Phys. Rev. C; (United States)
Additional Journal Information:
Journal Volume: 30:1
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; AMERICIUM 242 TARGET; NEUTRON REACTIONS; FISSION; PLUTONIUM 239 TARGET; URANIUM 233 TARGET; URANIUM 235 TARGET; URANIUM 238 TARGET; XENON 133; FISSION YIELD; XENON 135; EXPERIMENTAL DATA; BARYON REACTIONS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; DATA; DAYS LIVING RADIOISOTOPES; EVEN-ODD NUCLEI; HADRON REACTIONS; HOURS LIVING RADIOISOTOPES; INFORMATION; INTERMEDIATE MASS NUCLEI; INTERNAL CONVERSION RADIOISOTOPES; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; MINUTES LIVING RADIOISOTOPES; NUCLEAR REACTION YIELD; NUCLEAR REACTIONS; NUCLEI; NUCLEON REACTIONS; NUMERICAL DATA; RADIOISOTOPES; TARGETS; XENON ISOTOPES; YIELDS; 652026* - Nuclear Properties & Reactions, A=220 & above, Experimental- Spontaneous & Induced Fission- (-1987)

Citation Formats

Ford, G.P., Wolfsberg, K., and Erdal, B.R. Independent yields of the isomers of /sup 133/Xe and /sup 135/Xe for neutron-induced fission of /sup 233/U, /sup 235/U, /sup 238/U, /sup 239/Pu, and /sup 242/Am/sup m/. United States: N. p., 1984. Web. doi:10.1103/PhysRevC.30.195.
Ford, G.P., Wolfsberg, K., & Erdal, B.R. Independent yields of the isomers of /sup 133/Xe and /sup 135/Xe for neutron-induced fission of /sup 233/U, /sup 235/U, /sup 238/U, /sup 239/Pu, and /sup 242/Am/sup m/. United States. doi:10.1103/PhysRevC.30.195.
Ford, G.P., Wolfsberg, K., and Erdal, B.R. Sun . "Independent yields of the isomers of /sup 133/Xe and /sup 135/Xe for neutron-induced fission of /sup 233/U, /sup 235/U, /sup 238/U, /sup 239/Pu, and /sup 242/Am/sup m/". United States. doi:10.1103/PhysRevC.30.195.
@article{osti_6233922,
title = {Independent yields of the isomers of /sup 133/Xe and /sup 135/Xe for neutron-induced fission of /sup 233/U, /sup 235/U, /sup 238/U, /sup 239/Pu, and /sup 242/Am/sup m/},
author = {Ford, G.P. and Wolfsberg, K. and Erdal, B.R.},
abstractNote = {Fractional independent yields of /sup 133/Xe/sup m/, /sup 133/Xe /sup g/, /sup 135/Xe/sup m/, and /sup 135/Xe /sup g/ have been measured for fission of /sup 233/U, /sup 235/U, /sup 239/Pu, and /sup 242/Am/sup m/ induced by thermal neutrons and for fission of /sup 235/U, /sup 238/U, and /sup 239/Pu induced by 14-MeV neutrons. The same yields have been measured for fission of /sup 235/U induced by degraded fission spectrum neutrons from a bare critical assembly. Some upper limits and ratios of yields of these same isomers have been obtained for the fission of /sup 238/U and /sup 239/Pu by the degraded fission spectrum neutrons. The average angular momentum of these independently formed fission products has been derived from the measured isomer ratios. A method that is particularly well adapted to use with computers for solving the differential equations of radioactive decay and growth is described.},
doi = {10.1103/PhysRevC.30.195},
journal = {Phys. Rev. C; (United States)},
number = ,
volume = 30:1,
place = {United States},
year = {1984},
month = {7}
}