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Inverse Compton scattering by relativistic electrons produces a major component of the diffuse emission from the Galaxy. The photon fields involved are the cosmic microwave background and the interstellar radiation field from stars and…

Astrophysics · Physics 2007-10-04 Elena Orlando , Andrew W. Strong

Inverse Compton scattering by relativistic electrons produces a major component of the diffuse emission from the Galaxy. The photon fields involved are the cosmic microwave background and the interstellar radiation field from stars and…

Astrophysics · Physics 2009-09-29 Elena Orlando , Andrew Strong

We suggest that the luminous extreme ultraviolet (EUV) emission which has been detected recently from clusters of galaxies is Inverse Compton (IC) scattering of Cosmic Microwave Background (CMB) radiation by low energy cosmic ray electrons…

Astrophysics · Physics 2009-10-30 Craig L. Sarazin , Richard Lieu

The inverse Compton scattering of interstellar photons off cosmic-ray electrons seems to play a more important role in the generation of diffuse emission from the Galaxy than thought before. The background radiation field of the Galaxy is…

Astrophysics · Physics 2009-10-31 I. V. Moskalenko , A. W. Strong

We show that Compton scattering by electrons of the hot intergalactic gas in galaxy clusters should lead to peculiar distortions of the cosmic background X-ray and soft gamma-ray radiation - an increase in its brightness at E<60-100 keV and…

High Energy Astrophysical Phenomena · Physics 2020-04-23 S. A. Grebenev , R. A. Sunyaev

Observed in a significant fraction of clusters and groups of galaxies, diffuse radio synchrotron emission reveals the presence of relativistic electrons and magnetic fields permeating large-scale systems of galaxies. Although these…

A new study of the diffuse Galactic gamma-ray continuum radiation is presented, using a cosmic-ray propagation model which includes nucleons, antiprotons, electrons, positrons, and synchrotron radiation. Our treatment of the inverse Compton…

Astrophysics · Physics 2009-10-31 A. W. Strong , I. V. Moskalenko , O. Reimer

In this talk we briefly review the inverse Compton (IC) scattering of nuclear photons in the lobes of radio galaxies and quasars. We concentrate on the possibility to test this model with the Chandra observatory and to constrain the…

Astrophysics · Physics 2007-05-23 G. Brunetti , G. Setti

Radio continuum emission provides a unique opportunity to study star-formation unbiased by dust obscuration. However, if radio observations are to be used to accurately trace star-formation to high redshifts, it is crucial that the physical…

In the framework of the quasar-radio galaxies unification the radio emitting lobes of FRII radio galaxies are pervaded by an intense quasar radiation field.Inverse Compton (IC) scattering between the relativistic electrons and the…

Astrophysics · Physics 2008-02-03 G. Brunetti , G. Setti , A. Comastri

Inverse Compton (IC) scattering is one of two viable mechanisms that can produce the prompt gamma-ray emission in Gamma-Ray Bursts. IC requires low energy seed photons and a population of relativistic electrons that upscatter them. The same…

Astrophysics · Physics 2009-11-13 Tsvi Piran , Re'em Sari , Yuan-Chuan Zou

The search for diffuse non-thermal inverse Compton (IC) emission from galaxy clusters at hard X-ray energies has been undertaken with many instruments, with most detections being either of low significance or controversial. Background and…

Models for the evolution of the integrated energy spectrum of primary cosmic ray electrons in clusters of galaxies have been calculated, including the effects of losses due to inverse Compton (IC), synchrotron, and bremsstrahlung emission,…

Astrophysics · Physics 2010-01-07 Craig L. Sarazin

Most of the Universe's populations of low energy cosmic ray electrons in the energy range of 1-100 MeV still manage to elude from detection by our instruments, since their synchrotron emission is at too low frequencies. We investigate a…

Astrophysics · Physics 2009-11-06 Torsten A. Ensslin , Rashid A. Sunyaev

We study the inverse Compton scattering of solar photons by Galactic cosmic-ray electrons. We show that the gamma-ray emission from this process is substantial with the maximum flux in the direction of the Sun; the angular distribution of…

Astrophysics · Physics 2011-02-11 Igor V. Moskalenko , Troy A. Porter , Seth W. Digel

Emission of high energy gamma rays via the non-linear inverse Compton scattering process (ICS) in interactions of ultra-intense laser pulses with thin solid foils is studied using particle-in-cell simulations. It is shown that the angular…

Plasma Physics · Physics 2020-05-19 Jiří Vyskočil , Evgeny Gelfer , Ondřej Klimo

Cosmic-ray electrons and positrons propagating in the Galaxy produce diffuse gamma-rays via the inverse Compton (IC) process. The low energy target photon populations with which the cosmic-rays interact during propagation are produced by…

Astrophysics · Physics 2007-05-23 T. A. Porter , A. W. Strong

Fermi has detected gamma-ray emission from eight globular clusters. We suggest that the gamma-ray emission from globular clusters may result from the inverse Compton scattering between relativistic electrons/positrons in the pulsar wind of…

High Energy Astrophysical Phenomena · Physics 2015-05-19 K. S. Cheng , D. O. Chernyshov , V. A. Dogiel , C. Y. Hui , A. K. H. Kong

Inverse Compton scattering appears to play a more important role in the diffuse Galactic continuum emission than previously thought, from MeV to GeV energies. We compare models having a large inverse Compton component with EGRET data, and…

Astrophysics · Physics 2007-05-23 I. V. Moskalenko , A. W. Strong

X-ray luminous cool-core (CC) galaxy clusters contain powerful cosmic ray (CR) sources. High-energy CRs powering GHz synchrotron lose energy rapidly, but long-lived (~Gyr-old) populations of 0.1-1 GeV CRs persist, propagating to ~100 kpc…

High Energy Astrophysical Phenomena · Physics 2026-02-02 Philip F. Hopkins , Emily Silich , Jack Sayers , Sam B. Ponnada , Isabel Sands
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