About cosmic ray sources in Galaxy

9 Jun 2021, 10:50
15m
Zoom (Online)

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Original Energy spectrum and mass composition around and above the knee (direct and EAS measurements) Energy spectrum and mass composition around and above the knee (direct and EAS measurements)

Speaker

Prof. Yuri Stozhkov (LPI RAS)

Description

In the last two decades the new expeimental data on cosmic rays about energy spectra in a wide energy range up to 10^13 eV, isotropy, ratio of positron flux to electron one, and others were obtained. These data came from balloons and mainly from satellites. It is difficult to understand and to explain these experimental data within a generally accepted framework of cosmic ray sources, namely, that supernova explosions are the main sources of cosmic rays in Galaxy.
We consider the question that with the high probability the active red dwarfs could be cosmic ray sources up to energy of 10^14-10^15 eV.

Primary author

Prof. Yuri Stozhkov (LPI RAS)

Co-author

Dr Valery Logachev (LPI RAS)

Presentation Materials