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SUMMARY:Cosmic rays from 1 GeV to 100 EeV due to star formation processes?
DTSTART;VALUE=DATE-TIME:20261030T100000Z
DTEND;VALUE=DATE-TIME:20261030T101500Z
DTSTAMP;VALUE=DATE-TIME:20261102T005507Z
UID:indico-contribution-6211@cern.ch
DESCRIPTION:Speakers: Timur Dzhatdoev (INR RAS)\, Anatolii Semenov (INR)\n
 Star formation processes are very important in the Universe. In particular
 \, the formation of massive stars results in supernova explosions with sub
 sequent acceleration of cosmic rays (CR) in supernova remnants (SNRs). We 
 show that the currently-available elemental spectra of protons\, Helium\, 
 CNO group nuclei\, and Iron in the energy range from 40 GeV to 100--500 Pe
 V are well described with two separate populations of Galactic SNRs. We pr
 opose a scenario where the extragalactic CR component is produced by a thi
 rd distinct population of SNRs\; these SNRs probably have sub-relativistic
  speeds of shock waves and/or are the remnants of powerful hypernovae. The
 n we discuss a possibility that these three SNR populations dominate the e
 ntire observable spectrum of CR protons and nuclei spanning from 1 GeV to 
 100 EeV. Some details are available in astro-ph/2606.02748 (submitted to M
 NRAS).\n\nhttps://indico.particle.mephi.ru/event/626/contributions/6211/
LOCATION: Conference Hall 4
URL:https://indico.particle.mephi.ru/event/626/contributions/6211/
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