Heavy Nucleus

Some articles on heavy nucleus, nucleus:

Nuclear Fission - Physical Overview - Energetics - Input
... The fission of a heavy nucleus requires a total input energy of about 7 to 8 MeV to initially overcome the strong force which holds the nucleus into a spherical or nearly spherical shape ... is supplied by the simple binding of an extra neutron to the heavy nucleus via the strong force however, in many fissionable isotopes, this amount of energy ... If no additional energy is supplied by any other mechanism, the nucleus will not fission, but will merely absorb the neutron, as happens when U-238 absorbs slow and even some fraction of fast neutrons, to ...

Famous quotes containing the words nucleus and/or heavy:

    Just see how it glints and sparkles. Of course it is a nucleus and focus of crime. Every good stone is. They are the devil’s pet baits. In larger and older jewels every facet may stand for a bloody deed....
    Sir Arthur Conan Doyle (1859–1930)

    Before the last went, heavy with dew,
    Back to the place from which she came
    Where the bird was before it flew,
    Where the flower was before it grew,
    Where bird and flower were one and the same.
    Robert Frost (1874–1963)