Statements (24)
Predicate | Object |
---|---|
gptkbp:instanceOf |
isotope
|
gptkbp:application |
nuclear reactor control
|
gptkbp:atomicNumber |
62
|
gptkbp:category |
fission product poison
|
gptkbp:containsElement |
samarium
|
gptkbp:crossSection |
~42,000 barns (thermal neutrons)
|
gptkbp:decaysTo |
neodymium-145
|
gptkbp:foundIn |
nature
|
gptkbp:halfLife |
7×10^15 years
|
https://www.w3.org/2000/01/rdf-schema#label |
Sm-149
|
gptkbp:massNumber |
149
|
gptkbp:mode |
alpha decay
|
gptkbp:naturalAbundance |
13.82%
|
gptkbp:neutrons |
87
|
gptkbp:notableFor |
very high neutron absorption cross section
|
gptkbp:parent |
neodymium-145
promethium-149 |
gptkbp:protons |
62
|
gptkbp:stable |
no
|
gptkbp:symbol |
149Sm
|
gptkbp:usedIn |
nuclear science
|
gptkbp:bfsParent |
gptkb:Samarium-149
gptkb:Sm |
gptkbp:bfsLayer |
8
|