Weak and Strong Processes For Z =/= Z(Max Stability)

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SUMMARY

The discussion centers on the weak and strong nuclear processes related to atomic stability, specifically when the proton number (Z) deviates from the maximum stability point (Z_s). It identifies three first-order weak processes: beta decay (both beta plus and beta minus) and electron capture. Additionally, it notes two significant strong processes when Z is far from Z_s: proton emission and alpha decay. A second-order weak process is mentioned for even atomic mass (A), which involves odd-odd nuclei undergoing both types of beta decay.

PREREQUISITES
  • Understanding of nuclear physics concepts, particularly weak and strong nuclear forces.
  • Familiarity with beta decay and electron capture mechanisms.
  • Knowledge of atomic stability and the significance of atomic number (Z) and mass number (A).
  • Basic grasp of nuclear decay processes and their classifications.
NEXT STEPS
  • Research the mechanisms of beta decay and electron capture in detail.
  • Study the principles of strong nuclear forces and their role in atomic stability.
  • Explore the concept of atomic stability and the significance of Z_s in nuclear physics.
  • Investigate second-order weak processes and their implications in nuclear decay.
USEFUL FOR

Students and professionals in nuclear physics, researchers studying atomic stability, and educators seeking to enhance their understanding of weak and strong nuclear processes.

Purnell
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Hi, just curious because I don't have it in my notes, say for fixed A (Atomic Number) we have Z_s which is the proton number that gives max stability. For Z =/= Z_s there are 3 1st order weak process that occur, does anyone know what these are? And when Z is far from Z_s there are two strong processes that become significant, what are they? And finally if A is even (so far it is assumed odd) there's a 2nd order weak process. What is it?

Just curious because I'm not too sure what it's talking about here. Is it talking about decay due to the weak and strong nuclear forces? So when the atom is very unstable (Z far from Z_s) then instability of the nucleus is high and a decay due to the strong force takes place?

Help appreciated.
 
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I also wonder what 'strong' is referring to.

But anyway, I think that the 3 1st order weak ones are beta decay (two kinds) and electron capture. These are weak since the weak interaction are govering this.

The second order weak process might be that some odd-odd nuclei can undergo both beta plus and beta minus.

The 'strong' processes must be proton emission and alpha decay.

I should ask my teacher about this if I were you, I have never heard this nomenclature before. But you said that this wasn't in your notes, what is the source of this information then?
 

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