Packing Fraction of H Mass 2: 2.01402u

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Discussion Overview

The discussion revolves around the concept of packing fraction specifically for the hydrogen isotope with a mass of 2.01402u, focusing on its nuclear properties and binding energy. Participants explore definitions and calculations related to packing fraction and binding energy in the context of deuterium.

Discussion Character

  • Conceptual clarification
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant requests assistance in calculating the packing fraction of hydrogen mass 2 (2.01402u).
  • Another participant suggests adding the individual rest masses of a neutron and a proton to estimate properties related to the nuclide, hinting at the possibility of calculating bond energy.
  • A participant questions the meaning of packing fraction, noting the presence of only two nucleons in the deuteron and suggesting a potential confusion with binding energy.
  • A participant defines packing fraction as related to binding energy per nucleon, indicating it is approximately -8 MeV/nucleon for most nuclides.

Areas of Agreement / Disagreement

The discussion contains multiple competing views regarding the definitions and calculations related to packing fraction and binding energy, with no consensus reached on the specific calculations or interpretations.

Contextual Notes

Participants have not fully clarified assumptions regarding the definitions of packing fraction and binding energy, nor have they resolved the mathematical steps involved in calculating these properties.

kidia
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Can anybody help me to get packing fraction of H mass 2 equal to 2.01402u?
 
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If you add the individual rest mass of a neutron & of a proton (i'm assuming you're asking about the nuclide, not the whole atom of deuterium) what do you get...? Can you estimate the bond energy...?

Daniel.
 
What is meant by packing fraction? There are only two nucleons, the proton and neutron, in the deuteron, or nucleus of the deuterium atom.

Are you asking about binding energy as dextercioby mentioned?
 
I mean packing fraction = -BE/A which related how tightly bound/particle the system is.
Is approximately -8 MeV / nucleon for most nuclides.
 

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