Minggu, 20 Maret 2011

Reaction Nuclear Process

Fission Reaction Nuclear
In nuclear physics, a nuclear reaction is a process in which two nuclei or nuclear particles collide, to produce different results from the initial product. In principle a reaction can involve more than two particles collide, but the incident is very rare. When the particles collide and separate without change (except perhaps in the energy level), this process is called a collision and not a reaction.

Known two nuclear reactions, namely nuclear fusion reactions and nuclear fission. Nuclear fusion reaction is the fusion reaction of two or more atomic nuclei into new and produce energy, also known as a clean reaction. Nuclear fission is the splitting reaction of atomic nuclei by the impact of other atomic nuclei, and generate new energy and atomic mass is smaller, as well as electromagnetic radiation. Fusion reaction also produces alpha radiation, beta and gamma very harmful to humans.

Examples of nuclear fusion reaction is a reaction that occurs in almost all core stars in the universe. Weapons of the hydrogen bomb is also utilizing the principle of uncontrolled fusion reaction. An example is the explosion of fission nuclear weapons and nuclear power plants.

Elements that are often used in nuclear fission is plutonium and uranium (primarily plutonium-239, Uranium-235), while in nuclear fusion reactions are Lithium and Hydrogen (mainly lithium-6, Deuterium, Tritium).

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