Be 8 nuclear instability

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stamis@gmail.com - 12 Apr 2008 14:30 GMT

I have a Ph.D. in chemistry and have studied relativistic and electron
correlation effects in atoms and during my studies I have been trying
to figure out some details regarding nuclear stability. Given the
cosmic significance of Be-8 instability in big bang nucleosynthesi is
there a compelling reason why the beryllium-8 nucleus is unstable?
Since liquid drop and magic number arguements are not applicable, is
there some reasoning in QCD or something involving fermions vs. bosons
that is consistent with the stability trends of other nuclei? Do you
know someone who may be able to help me find this answer?
thank you very much for your time
Stamatis

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tnlockyer@aol.com - 14 Apr 2008 22:35 GMT

On Apr 12, 6:30=EF=BF=BDam, sta...@gmail.com wrote:

> I have a Ph.D. in chemistry and have studied relativistic and electron
> correlation effects in atoms and during my studies I have been trying
> to figure out some details regarding nuclear stability. Given the
> cosmic significance of Be-8 instability in big bang nucleosynthesi is
> there a compelling reason why the beryllium-8 nucleus is unstable?

The Be-8 , as you know, decays neatly into two alpha (helium nuclei)
particles.

The kinematics have been worked out in;

http://members.aol.com/tnlockyer/unstableBe8.gif

> Since liquid drop and magic number arguements are not applicable, is
> there some reasoning in QCD or something involving fermions vs. bosons
> that is consistent with the stability trends of other nuclei?

QCD is worthless for working with nuclei structures, as you have
found.

The new QVPP can show why two protons and three neutrons and

three protons and two neutrons are unstable, for example.

QVPP also shows why any isotope is either stable or unstable.

QVPP shows why isomeric nuclei are unstable.

As you know, the binding energy is deternined by nuclei mass defects,
but just now it is possible to actually calculate binding energy.

> Do you
> know someone who may be able to help me find this answer?
> thank you very much for your time

See the book; www.amazon.com 096315463X

Regards; Tom.

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Natural Science Forum / Physics / Research / April 2008

Be 8 nuclear instability