Spontaneous fission


Nuclear processes
Radioactive decay processes ---- Nucleosynthesis
Spontaneous fission is a form of radioactive decay characteristic of very heavy isotopes, and is theoretically possible for uranium and thorium, or indeed for any atomic nucleus whose mass is greater than or equal to 100 amu (ruthenium). In practice, however, spontaneous fission is only energetically feasible for atomic masses above 230 amu (thorium). For uranium and thorium, the spontaneous fission mode of decay is not seen for the majority of radioactive breakdowns and is usually neglected except for the exact considerations of branching ratios when determining the activity of a sample containing these elements. Mathematically, the criterion for whether spontaneous fission can occur is: :\\hbox{Z}^2/\\hbox{A}\\approx45. As the name suggests, spontaneous fission follows the exact same process as nuclear fission, only it is not self-sustaining and does not generate the neutron flux necessary to "go critical" and continue such fissions. The elements most susceptible to spontaneous fission are the trans-actinide elements, such as rutherfordium. de:Spontane Spaltung Category:Radioactivity
pontaneous fission Sontaneous fission Spntaneous fission Spotaneous fission Sponaneous fission Spontneous fission Spontaeous fission Spontanous fission Spontaneus fission Spontaneos fission Spontaneou fission Spontaneousfission Spontaneous ission Spontaneous fssion Spontaneous fision Spontaneous fision Spontaneous fisson Spontaneous fissin Spontaneous fissio pSontaneous fission Sopntaneous fission Spnotaneous fission Spotnaneous fission Sponatneous fission Spontnaeous fission Spontaenous fission Spontanoeus fission Spontaneuos fission Spontaneosu fission Spontaneou sfission Spontaneousf ission Spontaneous ifssion Spontaneous fsision Spontaneous fission Spontaneous fisison Spontaneous fissoin Spontaneous fissino Spontaneous fissio SSpontaneous fission Sppontaneous fission Spoontaneous fission Sponntaneous fission Sponttaneous fission Spontaaneous fission Spontanneous fission Spontaneeous fission Spontaneoous fission Spontaneouus fission Spontaneouss fission Spontaneous fission Spontaneous ffission Spontaneous fiission Spontaneous fisssion Spontaneous fisssion Spontaneous fissiion Spontaneous fissioon Spontaneous fissionn pontaneous fission sontaneous fission spntaneous fission spotaneous fission sponaneous fission spontneous fission spontaeous fission spontanous fission spontaneus fission spontaneos fission spontaneou fission spontaneousfission spontaneous ission spontaneous fssion spontaneous fision spontaneous fision spontaneous fisson spontaneous fissin spontaneous fissio psontaneous fission sopntaneous fission spnotaneous fission spotnaneous fission sponatneous fission spontnaeous fission spontaenous fission spontanoeus fission spontaneuos fission spontaneosu fission spontaneou sfission spontaneousf ission spontaneous ifssion spontaneous fsision spontaneous fission spontaneous fisison spontaneous fissoin spontaneous fissino spontaneous fissio sspontaneous fission sppontaneous fission spoontaneous fission sponntaneous fission sponttaneous fission spontaaneous fission spontanneous fission spontaneeous fission spontaneoous fission spontaneouus fission spontaneouss fission spontaneous fission spontaneous ffission spontaneous fiission spontaneous fisssion spontaneous fisssion spontaneous fissiion spontaneous fissioon spontaneous fissionn