Unpacking the Physics of Nucleus Formation & Energy Release

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Discussion Overview

The discussion revolves around the physics of nucleus formation, specifically the relationship between mass, energy release, and binding energy in nuclear reactions. Participants explore concepts related to stability, energy conservation, and the strong interaction in both fission and fusion processes.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant questions why nucleons need to remove mass to form a nucleus, suggesting it may relate to the stability of the nucleus.
  • Another participant clarifies that different nuclei have varying binding energies and that all nuclei possess less energy than their individual nucleons, which prevents them from flying apart.
  • A later reply indicates that nucleons must release energy to "slow down" and bond together, implying a need for energy reduction during the formation process.
  • It is noted that energy conservation dictates that if a new nucleus has lower energy, the energy difference must be accounted for, potentially as radiation or kinetic energy of particles.
  • Participants mention the strong interaction as a factor contributing to the significant energy release during nuclear reactions.

Areas of Agreement / Disagreement

Participants express some confusion and seek clarification on the concepts discussed. While there is a general understanding of energy release and binding energy, the exact mechanisms and implications remain somewhat contested and unresolved.

Contextual Notes

There are limitations in the discussion regarding the definitions of terms like "removing mass" and the specifics of energy release mechanisms, which are not fully explored.

Who May Find This Useful

This discussion may be of interest to those studying nuclear physics, particularly in understanding the principles of nucleus formation and energy dynamics in nuclear reactions.

Shakattack12
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So I was wondering why do nucleons need to remove mass to form a nucleus. Is it because it lowers the energy of the nucleus making it more stable or something completely different. I understand that it is the energy input to break the nucleus into its components, however, why do nuclear reaction release so much energy. II also understand that in fission and fusion reactions the binding energy per nucleons increase after the reaction, but is that all? I know I sound slightly confused but just want clarification.
 
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Shakattack12 said:
So I was wondering why do nucleons need to remove mass to form a nucleus.
What does "need to remove mass" mean?
Different nuclei have different binding energies. All nuclei have less energy than the individual protons and neutrons have, otherwise they would not exist (the protons and neutrons would simply fly apart).
Shakattack12 said:
however, why do nuclear reaction release so much energy
The strong interaction is strong.
 
What I meant was why the nucleons need to release energy. But I now understand that they actually need to release energy to 'slow down' and bond together.
 
Energy is conserved. If the new nucleus has a lower energy, the difference has to go somewhere: radiation or kinetic energy of particles.
 
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