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Gamma decay, in contrast, occurs when a nucleus is in an excited state and has too much energy to be stable. This often happens after alpha or beta decay has occurred. Because only energy is emitted during gamma decay, the number of protons remains the same.Jul 3, 2019

Where does gamma radiation come from?

Right Lines: Gamma radiation originates in the nucleus of atoms and is often produced alongside alpha and beta radiation. When a nucleus emits an alpha or beta particle, the daughter nucleus is usually left in an excited state. It can then move to a lower energy state by emitting a gamma ray.

Do gamma rays cause radioactive decay?

Radioactive decay (gamma decay) particle. The daughter nucleus that results is usually left in an excited state. It can then decay to a lower energy state by emitting a gamma ray photon, in a process called gamma decay. The emission of a gamma ray from an excited nucleus typically requires only 10−12 seconds.

What causes alpha beta and gamma decay?

Alpha, beta and gamma decay are a result of the three fundamental forces working in the nucleus – the 'strong' force, the 'weak' force and the 'electromagnetic' force. In all three cases, the emission of radiation increases the nucleus stability, by adjusting its proton/neutron ratio.

What type of decay gives off gamma radiation?

Gamma Radiation In the alpha decay of U-238, two gamma rays of different energies are emitted in addition to the alpha particle. Virtually all of the nuclear reactions in this chapter also emit gamma rays, but for simplicity the gamma rays are generally not shown.

Does the sun produce gamma rays?

Our Sun emits light at progressively shorter wavelengths, too: the ultraviolet, X-ray, and even gamma-ray parts of the spectrum. But most of the Sun's light is in the infrared, visible, and ultraviolet parts of the electromagnetic spectrum.

What can stop a gamma ray?

Gamma Radiation Gamma waves can be stopped by a thick or dense enough layer material, with high atomic number materials such as lead or depleted uranium being the most effective form of shielding.

What radiation causes?

Radiation is energy. It can come from unstable atoms that undergo radioactive decay, or it can be produced by machines. Radiation travels from its source in the form of energy waves or energized particles.

What causes nuclear radiation?

What causes atoms to be radioactive? Atoms found in nature are either stable or unstable. An atom is stable if the forces among the particles that makeup the nucleus are balanced. An atom is unstable (radioactive) if these forces are unbalanced; if the nucleus has an excess of internal energy.

How can gamma radiation be prevented?

Gamma rays have so much penetrating power that several inches of a dense material like lead, or even a few feet of concrete may be required to stop them.