Talk:Criticality (nuclear): Difference between revisions

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imported>Henry A. Padleckas
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imported>Dmitrii Kouznetsov
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== Spontaneous decay and the neutron scatterers  ==
1. How about to add some refs? for ex.,<br>
http://mitnse.com/2011/03/18/what-is-criticality/ <br>
http://www.ornl.gov/~webworks/cppr/y2001/pres/112885.pdf
2. I think, the role of the neutron scatterers should be discussed.<br>
How about to surround the core with some boron, or, contrary, with some beryllium?<br>
Can it be used to control the fission instead of the conventional control rods?
3. How about to trace the role of the spontaneous decay? for example, if the criticality is slightly below unity, but the stimulated reactions converts each spontaneous neutron to, say, a million of neutrons that get out. In such a condition, the core should show huge fluctuation in generation of energy.
There is analogy in optics, it is called "amplified spontaneous emission".
[[User:Dmitrii Kouznetsov|Dmitrii Kouznetsov]] 15:42, 25 November 2012 (UTC)

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 Definition:  In a nuclear fission chain reaction, the mean number of neutrons produced by a nuclear fission (by one neutron) which cause another fission: (probability to crack a nucleus)*(mean number of neutrons produced by a single fission) [d] [e]
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Spontaneous decay and the neutron scatterers

1. How about to add some refs? for ex.,
http://mitnse.com/2011/03/18/what-is-criticality/
http://www.ornl.gov/~webworks/cppr/y2001/pres/112885.pdf

2. I think, the role of the neutron scatterers should be discussed.
How about to surround the core with some boron, or, contrary, with some beryllium?
Can it be used to control the fission instead of the conventional control rods?

3. How about to trace the role of the spontaneous decay? for example, if the criticality is slightly below unity, but the stimulated reactions converts each spontaneous neutron to, say, a million of neutrons that get out. In such a condition, the core should show huge fluctuation in generation of energy. There is analogy in optics, it is called "amplified spontaneous emission".

Dmitrii Kouznetsov 15:42, 25 November 2012 (UTC)

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