Cluster of antistars as a source of antihelium in a flux of galactic cosmic rays

19 Nov 2020, 15:45
Online (Zoom)


Устный | Oral Космо- и астрофизика Космо- и астрофизика


Anastasia Kirichenko (student)


Macroscopic cosmic antimatter objects are predicted in baryonasymmetrical Universe in the models of strongly nonhomogeneousbaryosynthesis. We test the hypothesis of the existence of an oldglobular cluster of anti-stars in the galactic halo by evaluating theflux of helium anti-nuclei in galactic cosmic rays. Due to the symme-try of matter and antimatter we assume that the antimatter clusterevolves in a similar way as a matter cluster. The energy density ofantiparticles in galactic cosmic rays from antimatter globular clusteris estimated. We propose a method for the propagation of a fluxof antinuclei in a galactic magnetic field from the globular cluster ofantistars in the Galaxy.

Primary author


Andrey Mayorov (NRNU MEPhI) Prof. Maxim Khlopov (Universit ́e de Paris, Astroparticule et Cosmologie)

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