Gamma ray - Wikipedia
A gamma ray, also known as gamma radiation (symbol γ), is a penetrating form of electromagnetic radiation arising from the radioactive decay of atomic nuclei. It consists of the shortest wavelength electromagnetic waves, typically shorter than those of X-rays.
gamma ray - Encyclopedia Britannica
2024年10月5日 · A gamma ray is electromagnetic radiation of the shortest wavelength and highest energy. Gamma-ray radiation has wavelengths generally smaller than a few tenths of an angstrom (10 meter), and gamma-ray photons have energies greater than …
Gamma Rays - NASA Science
2016年8月10日 · Gamma rays have the smallest wavelengths and the most energy of any wave in the electromagnetic spectrum. They are produced by the hottest and most energetic objects in the universe, such as neutron stars and pulsars, supernova explosions, and …
Gamma rays: Everything you need to know | Space
2022年12月28日 · Gamma rays are high-energy photons produced by some of the most violent events in the universe. We explore this powerful radiation in more detail here.
Gamma Rays or Gamma Radiation – Definition and Properties
2024年5月14日 · Gamma rays or gamma radiation are a form of electromagnetic radiation with extremely high frequency and energy. They are a significant topic of study in fields such as nuclear physics, astrophysics, and medical science due to …
Electromagnetic radiation - Gamma Rays, Photons, …
2024年9月13日 · Gamma photons interact with matter by discrete elementary processes that include resonant absorption, photodisintegration, ionization, scattering (Compton scattering), or pair production. Gamma rays are detected by their ability to ionize gas atoms or to create electron–hole pairs in semiconductors or insulators.
What Are X-rays and Gamma Rays? | American Cancer Society
X-rays and gamma rays are created in nuclear power plants, and are also used in smaller amounts for things like medical imaging tests, cancer treatment, and food irradiation. X-rays and gamma rays are in packets of energy known as photons.
Gamma decay | Radioactive Process, Nuclear Reactions, …
2024年9月26日 · Gamma decay, type of radioactivity in which some unstable atomic nuclei dissipate excess energy by a spontaneous electromagnetic process. In the most common form of gamma decay, known as gamma emission, gamma rays (photons, or packets of electromagnetic energy, of extremely short wavelength) are.
Gamma Decay: Sources, Equation, Properties, & Applications
2024年9月4日 · Gamma decay (denoted by the Greek symbol γ) is a type of radioactive decay that occurs when an unstable atomic nucleus releases excess energy in the form of gamma rays. Gamma rays are a form of high-energy electromagnetic radiation, similar to X …
Gamma Rays - Electromagnetic Spectrum And Uses of Gamma Rays …
Gamma rays are one of the most energetic forms of light produced in the hottest areas of the universe. They are also produced by supernova explosions and by radioactive material in space. Gamma rays cannot be reflected in mirrors like X-rays. Instead, they …
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