Newly-born Pulsars as Sources of Ultrahigh Energy Cosmic Rays

@article{Fang2012NewlybornPA,
  title={Newly-born Pulsars as Sources of Ultrahigh Energy Cosmic Rays},
  author={K. Fang and K. Kotera and A. Olinto},
  journal={Bulletin of the American Physical Society},
  year={2012}
}
Newly-born pulsars offer favorable sites for the injection of heavy nuclei, and for their further acceleration to ultrahigh energies. Once accelerated in the pulsar wind, nuclei have to escape from the surrounding supernova envelope. We examine this escape analytically and numerically, and discuss the pulsar source scenario in light of the latest ultrahigh energy cosmic ray (UHECR) data. Our calculations show that, at early times, when protons can be accelerated to energies E>10^20 eV, the… Expand

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