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Neutron Absorber
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Neutron absorbers are isotopes of certain elements that absorb free neutrons creating heavier isotopes of the same element. The most prolific neutron absorbers are elements that become stable by absorbing a neutron such as xenon-135 (Xe-135, half life 9.1 hours), which absorbs a neutron to become Xe-136. Xe-135 is formed in nuclear reactors through the splitting of actinide metals indirectly as a decay product of iodine-135 (I-135), which also has a short half-life. Other isotopes that are major neutron absorbers include Helium-3 (He-3), which becomes tritium and boron-10 (B-10) which becomes Li-7. Samarium-149 formed during the fission process is also a highly effective neutron absorber, with its very long half life it last effectively forever in the fuel until it absorbs a neutron and transmutes into Sm-150, which is stable. Other neutron absorbers used in nuclear power plants include cadmium and gadolinium, both of which consist of mixed isotopes some of which are voracious neutron absorbers.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786131051326
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- Genre Physik & Astronomie
- Größe H220mm x B220mm
- EAN 9786131051326
- Format Fachbuch
- Titel Neutron Absorber
- Herausgeber Betascript Publishing
- Anzahl Seiten 124
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