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Decay constant

Decay constant

(Science: physics, radiobiology) The fraction of the amount of a radionuclide that undergoes transition per unit time. Formally:

Lamda=dP/dt

Where dP is the probability of a given nucleus undergoing spontaneous nuclear transition in the time interval dt.


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Re: 5 best proofs of evolution

... intersting is that, and I havent heard this debated yet, the apparently constant decay rate of isotopes is actaully not constant at all, that was an assumption that has now ...

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by arthuriandaily
Fri Sep 30, 2011 2:26 am
 
Forum: Evolution
Topic: 5 best proofs of evolution
Replies: 170
Views: 240238

Re: 5 best proofs of evolution

... intersting is that, and I havent heard this debated yet, the apparently constant decay rate of isotopes is actaully not constant at all, that was an assumption that has now ...

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by Zenithar66
Tue Apr 05, 2011 5:44 pm
 
Forum: Evolution
Topic: 5 best proofs of evolution
Replies: 170
Views: 240238

The Fiber Disease

... energy stored as neutral filaments may be retrieved once the filament decays. The pseudo magnetic monopoles at the endings of open filaments in ... reinforced by strong currents. Water, because of its high dielectric constant, is particularly well suited to a similar process, whose initiation ...

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by Nadas Moksha
Mon Oct 02, 2006 2:29 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 5417287

Monkeys??!

C-14: the decay is not linked to sunlight exposure but simply to radioactive reactions. The mechanism ... and described and depend only on the structure of the atom. Hence the decay rate is constant and known, nothing to be discussed here deadfish. As for the concentration in the ...

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by canalon
Mon Jun 26, 2006 3:59 pm
 
Forum: Evolution
Topic: Monkeys??!
Replies: 37
Views: 19183

Carbon-14

... nitrogen into radioactive carbon 14. This radioactive carbon 14 slowly decays back into normal, stable nitrogen. Extensive laboratory testing has ... assuming the amount of carbon-14 in the atmosphere has always been constant, and its rate of decay has always been constant. Neither of these ...

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by deadfish
Fri Mar 31, 2006 9:54 pm
 
Forum: Evolution
Topic: Monkeys??!
Replies: 37
Views: 19183


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