Nuclear mass distribution

  1. Hi.

    This may be a trivial question, but I'm unable to find a definitve answer.

    How is the mass on a atomic nucleus distributed?

    I read somewhere that it was uniformly distributed, and somewhere else that it resembled a normal distribution. Can you help me out?

    Thank you.
  2. jcsd
  3. mathman

    mathman 6,752
    Science Advisor
    Gold Member

    1 person likes this.
  4. And according to the most correct model how is the mass distribution like?
  5. mfb

    Staff: Mentor

    Roughly uniform in the center, and then relatively sharp edges. Apart from halo nuclei, but they are exotic and not long-living.
  6. bcrowell

    bcrowell 6,383
    Staff Emeritus
    Science Advisor
    Gold Member

    And of course many nuclei are ellipsoidal rather than spherical.

    If you use a harmonic oscillator potential, then the single-particle wavefunctions will resemble Gaussian shapes (like a normal distribution). But that's an unrealistic feature of the harmonic oscillator potential.
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