Movatterモバイル変換


[0]ホーム

URL:


Saltar al contento
WikipediaLe encyclopedia libere
Recerca

Radiation gamma

De Wikipedia, le encyclopedia libere
Radiation gamma
instantia de:radiation electromagnetic
subclasse de:radiation[*]
parte de:spectro electromagnetic[*]


, succedite per:X-ray[*]
Commons:Gamma rays
Illustration de un emission de un radio gamma (γ) ab un nucleo atomic

Radiation gamma, anque appellateradios gamma[1] (denotate perγ), esradiation electromagnetic de alte frequentia e curtissime longitude de undo.Illos es producite persubatomic interactiones de particulas tal comoannihilation de electron e positron,disintegration del π0meson,fusion,fission, einversedispersion de Compton in processos astrophysic. Un fonte classic de radios gamma es un specie dedisintegration radioactive appellatedisintegration gamma,ubi un nucleo excitate emitte un radio gamma quasi immediatemente post formation. Tamen, disintegration gamma pote anque describertransition isomere que involver un inhibitite distintegration gamma con un relativemente multo plus longesemivita.

Radios gamma ha frequentias in alto 10exahertz (1019 Hz), e dunque ha energias in alto 100keV e longitude de unda minus de 10picometros, freqentemente plus parve que unatomo. Radios gamma abdisintegration 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).[2] Il ha effectivemente no inferior limite de energia de gammas ben que illos aliquando es classificate comoradios X si lor frequentias es plus basse que 1019 Hz).Perque radios gamma es un forma deradiation ionisante, illos es un hasardo a sanitate.

Vide etiam

[modificar |modificar fonte]

Referentias

  1. Derivation (in ordine alphabetic):(ca) Radiació gamma ||(de) Gammastrahlung ||(en) Gamma ray ||(es) Rayos gamma ||(fr) Rayon gamma ||(it) Raggi gamma ||(pt) Radiação gama ||(ro) Radiație gama||(ru) Гамма-излучение
  2. F. Aharonian e alteres, "The TeV Energy Spectrum of Markarian 501 Measured with the Stereoscopic Telescope System of HEGRA during 1998 and 1999", The Astrophysical Journal546, p. 898 (2001)
Nota
Nota
Iste articulo contine material traducite abWikipedia in anglese. Le texto original se trova in le version 418201154 deen:Gamma Ray, e es usate secundo le mandatos del licentia respective.
Obtenite de “https://ia.wikipedia.org/w/index.php?title=Radiation_gamma&oldid=648469
Categorias:

[8]ページ先頭

©2009-2025 Movatter.jp