Research Article

Transmutations of Long-Lived and Medium-Lived Fission Products Extracted from CANDU and PWR Spent Fuels in an Accelerator-Driven System

Table 1

Atomic densities of isotopes used in the modified ADS (atoms/(barn·cm)).

IsotopesCase ACase BCase C
BOCEOCBOCEOCBOCEOC

Hea8.46569E − 03

Crb3.66345E − 06
Fe7.69324E − 06
Zr3.59861E − 03
Sn5.31202E − 05
Hf3.66345E − 06

16Oc2.93697E − 021.02789E − 022.73042E − 029.55563E − 032.73680E − 029.57800E − 03
232Th1.00083E − 099.33110E − 129.33187E − 106.19031E − 031.85725E − 03
233Pa1.99410E − 112.24895E − 112.18856E − 06
232U1.48743E − 091.15799E − 097.29463E − 08
233U1.49174E − 091.73848E − 092.66993E − 051.71951E − 04
234U6.33080E − 071.73443E − 076.11203E − 081.27383E − 076.87464E − 071.43121E − 05
235U5.56078E − 057.42546E − 062.46375E − 044.42845E − 058.70822E − 051.29798E − 05
236U7.40277E − 064.58373E − 067.30603E − 053.06038E − 054.17128E − 051.52204E − 05
238U1.45193E − 024.34139E − 031.26922E − 023.82895E − 036.32613E − 031.81887E − 03
235Np3.60106E − 139.11276E − 121.73780E − 12
236Np2.59177E − 112.43482E − 111.97672E − 113.34642E − 123.10285E − 12
237Np2.12823E − 078.49462E − 076.13307E − 065.79906E − 063.20538E − 063.44686E − 06
236Pu4.56934E − 121.82719E − 111.46943E − 11
237Pu1.01802E − 111.19406E − 115.84736E − 12
238Pu1.71122E − 081.19518E − 062.00245E − 063.22821E − 061.23440E − 062.74465E − 06
239Pu2.82080E − 053.52240E − 049.21538E − 054.00820E − 043.10560E − 051.86319E − 04
240Pu7.09409E − 066.39388E − 053.01341E − 055.42331E − 052.05142E − 053.84026E − 05
241Pu1.02146E − 063.23992E − 051.63268E − 052.28933E − 056.20598E − 061.60207E − 05
242Pu1.58382E − 077.33230E − 064.50249E − 064.09549E − 063.81657E − 065.08140E − 06
244Pu9.79453E − 117.07767E − 112.26821E − 111.38317E − 10
241Am3.79692E − 063.62364E − 067.47539E − 073.26888E − 06
243Am1.29639E − 069.88034E − 071.92135E − 071.47667E − 06
242Cm2.77117E − 071.78654E − 071.18948E − 091.76447E − 07
244Cm3.61448E − 073.30190E − 071.33784E − 085.93151E − 07
245Cm1.45861E − 082.61196E − 081.50500E − 104.43606E − 08
246Cm2.26875E − 091.67286E − 094.11277E − 128.08843E − 09
247Cm3.13581E − 113.40359E − 112.00524E − 10
248Cm1.68813E − 121.43607E − 121.52560E − 11

206Pbd3.56020E − 3
207Pb3.39702E − 3
208Pb7.87694E − 3
209Bi1.55345E − 2

12Ce1.05402E − 1

aCoolant; bclad; cfuel; dtarget; ereflector.