gam′ma ray` n. 1.a highly penetrating photon of high frequency, usu. 1019Hz or more, emitted by an atomic nucleus. 2.a stream of such photons. [1900–05] Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, In...
3), leading to patterned firing in the gamma frequency range (~ 25 ms ISI), both for mPFC and Reu cells. Of notable interest was the decreased spiking probability at the ~ 17 ms mark which is suggestive of either GABAA-mediated inhibition or refractory periods, as predicted by ...
2. A Gamma-Ray Journey through Cosmic Ages As described in the introduction, gamma-rays with energies of at least 100 GeV have now been observed from sources (mostly blazars) over a large range of distances, out to 𝑧≈1z≈1 from the ground and 𝑧≈4z≈4 from space-borne instruments...
Explore gamma rays. Learn the definition of a gamma ray and see its characteristics. Find the sources of gamma rays on Earth and outer space, and...
We find that the correlation weakens when we consider (1) gamma rays of energy above 10 GeV (except for high synchrotron peaked blazars) or (2) low frequency radio data taken by the Murchison Widefield Array; on the other hand, the correlation strengthens when we consider mm-位 data taken...
The Gamma-ray Burst Monitor (GBM) on board the Fermi spacecraft provided the energetic radiation measurements. Radio frequency (RF) measurements were obtained from the Global Lightning Dataset (GLD360). Here we show the existence of two categories of TGFs those that were accompanied by quasi-...
Gamma-ray generation can occur whenever charged particles pass within certain distances of each other without being in fixed orbits, the accelerations may give off gamma rays. Gamma radiation is electromagnetic radiation that abuts and in some circumstances overlaps with X-radiation in wavelength ≲ ...
The possibility of intentionally shifting the high-frequency edge of plateau in the noise spectral density of silicon p-n structures to higher frequencies under irradiation with gamma-ray quanta was studied. The largest increase in the extent of the operating-frequency range was observed to amount ...
Isolation of X-rays and gamma rays by a common alternative wavelength (or equivalent frequency or photon energy). Below any wavelength is defined as noncombustion, such as 10−11 m (0.1 A), called a gamma ray. This parameter allocates photons in an ambiguous range, but it is possible ...
Gamma-Ray Observatories are scientific facilities in space that detect and study high-energy gamma-ray emissions from celestial sources, providing valuable data on a wide range of astronomical phenomena such as Active Galactic Nuclei and blazars. AI generated definition based on: Advances in Space Res...