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16 relations: Actinide, Atomic nucleus, Betatron, Excited state, Fissile material, Gamma ray, George C. Baldwin, Neptunium, Nuclear cross section, Nuclear fission, Photodisintegration, Plutonium, Subatomic particle, Thorium, Uranium, X-ray.
Actinide
The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium.
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Atomic nucleus
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.
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Betatron
A betatron is a type of cyclic particle accelerator.
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Excited state
In quantum mechanics, an excited state of a system (such as an atom, molecule or nucleus) is any quantum state of the system that has a higher energy than the ground state (that is, more energy than the absolute minimum).
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Fissile material
In nuclear engineering, fissile material is material capable of sustaining a nuclear fission chain reaction.
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Gamma ray
A gamma ray or gamma radiation (symbol γ or \gamma), is penetrating electromagnetic radiation arising from the radioactive decay of atomic nuclei.
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George C. Baldwin
George Curriden Baldwin (May 5, 1917 – January 23, 2010) was an American theoretical and experimental physicist.
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Neptunium
Neptunium is a chemical element with symbol Np and atomic number 93.
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Nuclear cross section
The nuclear cross section of a nucleus is used to characterize the probability that a nuclear reaction will occur.
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Nuclear fission
In nuclear physics and nuclear chemistry, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei).
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Photodisintegration
Photodisintegration (also called phototransmutation) is a nuclear process in which an atomic nucleus absorbs a high-energy gamma ray, enters an excited state, and immediately decays by emitting a subatomic particle.
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Plutonium
Plutonium is a radioactive chemical element with symbol Pu and atomic number 94.
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Subatomic particle
In the physical sciences, subatomic particles are particles much smaller than atoms.
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Thorium
Thorium is a weakly radioactive metallic chemical element with symbol Th and atomic number 90.
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Uranium
Uranium is a chemical element with symbol U and atomic number 92.
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X-ray
X-rays make up X-radiation, a form of electromagnetic radiation.
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