Astrophysics (index)about

VHE

(very-high-energy)
(100 GeV or more)

The adjective VHE (for very-high-energy) is used for gamma rays with rather high energy photons, generally meaning 100 GeV or more, very-high-energy gamma rays (VHEGR). Similarly, the term UHE for ultra-high-energy is used for gamma-ray photon energies beyond 100 TeV, ultra-high-energy gamma rays (UHEGR).

The same adjectives may be used for and cosmic-ray particles with substantial kinetic energy, but the intended energy thresholds are not necessarily the same, probably substantially higher.


(physics)
http://en.wikipedia.org/wiki/Very-high-energy_gamma_ray
http://en.wikipedia.org/wiki/Ultra-high-energy_gamma_ray
https://www.researchgate.net/publication/1808851_Very_High_Energy_Gamma-Rays_from_AGN_Cascading_on_the_Cosmic_Background_Radiation_Fields_and_the_Formation_of_Pair_Halos

Referenced by:
cosmic rays (CR)
ultra-high-energy gamma rays (UHEGR)
very-high-energy gamma rays (VHEGR)

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