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- W2765106913 endingPage "544" @default.
- W2765106913 startingPage "538" @default.
- W2765106913 abstract "We propose several novel scenarios how capture of small sublunar-mass primordial black holes (PBHs) by compact stars, white dwarfs or neutron stars, can lead to distinct short gamma-ray bursts (sGRBs) as well as microquasars (MQs). In addition to providing new signatures, relativistic jets from these systems will accelerate positrons to high energies. We find that if PBHs constitute a sizable fraction of DM, they can significantly contribute to the excess observed in the positron flux by the Pamela, the AMS-02 and the Fermi-LAT experiments. Our proposal combines the beneficial features of astrophysical sources and dark matter." @default.
- W2765106913 created "2017-11-10" @default.
- W2765106913 creator A5019715585 @default.
- W2765106913 date "2019-02-01" @default.
- W2765106913 modified "2023-10-17" @default.
- W2765106913 title "Positrons from primordial black hole microquasars and gamma-ray bursts" @default.
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- W2765106913 doi "https://doi.org/10.1016/j.physletb.2018.12.043" @default.