Time variability of TeV cosmic ray sky map
نویسندگان
چکیده
منابع مشابه
Time Delays in Cosmic Ray Propagation
Cosmic Rays (CR) travel at speeds essentially indistinguishable from the speed of light. However whilst travelling through magnetic fields, both regular and turbulent, they are delayed behind the light since they are usually charged particles and their paths are not linear. Those delays can be so long that they are an impediment to correctly identifying sources which may be variable in time. Fu...
متن کاملTime Variability and Bifurcations of Cosmic Ray Acceleration at Shocks*
Dynamics of shock acceleration of ultrarelativistic particles is analyzed with the emphasis on the backreaction of such particles on the shock parameters. To this end, a complete kinetic description of accelerated particles coupled with the plasma flow around a shock, is reduced to a tracktable system of time dependent integro-differential equations. A well known multiplicity [1] of stationary ...
متن کاملtime delays in cosmic ray propagation
cosmic rays (cr) travel at speeds essentially indistinguishable from the speed of light. however whilst travelling through magnetic fields, both regular and turbulent, they are delayed behind the light since they are usually charged particles and their paths are not linear. those delays can be so long that they are an impediment to correctly identifying sources which may be variable in time. fu...
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Recent observations of cosmic ray electrons from several instruments have revealed various degrees of deviation in the measured electron energy distribution from a simple power-law, in a form of an excess around 0.1 to 1TeV energies. An even more prominent deviation and excess has been observed in the fraction of cosmic ray positrons around 10 and 100GeV energies. These observations have receiv...
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The present final part of a triad of plenary talks on the results of high energy gamma-ray astronomy and the origin of Cosmic Rays is primarily devoted to the physics interpretation. I will start with the stereoscopic method of operating several imaging atmospheric Cherenkov telescopes in coincidence as pioneered by HEGRA, and a summary description of the results obtained. Then I will turn to t...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 2018
ISSN: 0035-8711,1365-2966
DOI: 10.1093/mnras/sty3141