The Sun Is a Plasma Diffuser That Sorts Atoms by Mass
The Sun is a plasma diffuser that selectively moves light elements like H and He and the lighter isotopes of each element to its surface. The Sun formed on the collapsed core of a supernova (SN) and is composed mostly of elements made near the SN core (Fe, O, Ni, Si, and S), like the rocky planets and ordinary meteorites. Neutron emission from the central neutron star triggers a series of reactions that generate solar luminosity, solar neutrinos, solar mass fractionation, and an outpouring of hydrogen in the solar wind. Mass fractionation seems to have operated in the parent star and likely occurs in other stars as well.
O. Manuel et al., "The Sun Is a Plasma Diffuser That Sorts Atoms by Mass," Physics of Atomic Nuclei, vol. 69, pp. 1847-1856, Springer Verlag, Nov 2006.
The definitive version is available at http://dx.doi.org/10.1134/S106377880611007X
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