Cosmic rays propagation in axionic dark matter

Axions are the possible candidates for the non-baryonic dark matter in the Universe. Numerical calculation suggest that, these axions clumped together to form denser objects like miniclusters and axion boson stars. We have calculated the damping of cosmic rays mainly electrons propagating in the dark halo of our own galaxy, which suppose to contains the axionic dark matter as miniclusters. Our calculation shows that almost all the high energy cosmic rays will penetrate through these objects without losing energy.