## Nuclear Mass Density in Strong Gravity and Grand Unification

**Authors:** U.V.S.Seshavatharam, S.Lakshminarayana

It is noticed that, when the black hole mass density reaches the nuclear mass density, mass of the black hole approaches to $1.81\times 10^{31} \rm{\;Kg\;} \cong 9.1M_\odot.$ This characteristic mass can be called as the Fermi black hole mass. This proposed mass unit plays an interesting role in grand unification and primordial black holes. Mass ratio of Fermi black hole mass and Chandrasekhar's mass limit is $2\pi.$ Mass ratio of Fermi black hole mass and neutron star mass limit is $\sqrt{2\pi}.$ Considering strong nuclear gravity, Fermi black hole mass can be obtained in a grand unified approach.

**Comments:** 5 Pages. Poster presentation in the 3rd Galileo - Xu Guangqi meeting, Beijing, China, October, 2011.

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### Submission history

[v1] 2011-12-07 18:45:14

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