Radiation Gamma: Radiation electromagnetic penetrante
Radiation gamma, anque appellate radios gamma (denotate per γ), es radiation electromagnetic de alte frequentia e curtissime longitude de undo.
Illos es producite per subatomic interactiones de particulas tal como annihilation de electron e positron, disintegration del π0 meson, fusion, fission, e inverse dispersion de Compton in processos astrophysic. Un fonte classic de radios gamma es un specie de disintegration radioactive appellate disintegration gamma, ubi un nucleo excitate emitte un radio gamma quasi immediatemente post formation. Tamen, disintegration gamma pote anque describer transition isomere que involver un inhibitite distintegration gamma con un relativemente multo plus longe semivita.
| Radiation gamma |
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| instantia de: radiation electromagnetic, type of quantum particle[*] |
| subclasse de: radiation[*] |
| parte de: spectro electromagnetic[*] |
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| , succedite per: X-ray[*] |
| Commons: Gamma rays |
Radios gamma ha frequentias in alto 10 exahertz (1019 Hz), e dunque ha energias in alto 100 keV e longitude de unda minus de 10 picometros, freqentemente plus parve que un atomo. Radios gamma ab disintegration radioactive plurimo ha energias de un pauc centos keV, e quasi semper minus de 10 MeV. Energias ab fontes astronomic pote esser multo plus alte, rarmente super 10 TeV (isto es troppo grande a resulta ab disintegration radioactive). Il ha effectivemente no inferior limite de energia de gammas ben que illos aliquando es classificate como radios X si lor frequentias es plus basse que 1019 Hz). Perque radios gamma es un forma de radiation ionisante, illos es un hasardo a sanitate.
Vide etiam
- physica nuclear
- radioactivitate
- radio alpha
- radio beta
- radio X
- radiation electromagnetic
Referentias
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