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Abstract <p>The primary positrons of cosmic rays (CRs) detected by PAMELA and AMS-02 may be produced by both nearby pulsars and the annihilation/decay of dark matter, making studies of their origin a fundamental issue. We discuss the kinetic modeling of particle acceleration by pulsars with bow shocks and the propagation of those particles to the Earth. We consider the nearest PSR J0437-4715 that may produce the measured positron flux from tens of GeV to 1 TeV and PSR J1741-2054.</p>

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Modeling of Primary Positron Production by PSR J0437-4715 and Other Nearby Bow Shock Pulsars

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • A. E. Petrov,
  • A. M. Bykov

摘要

Abstract

The primary positrons of cosmic rays (CRs) detected by PAMELA and AMS-02 may be produced by both nearby pulsars and the annihilation/decay of dark matter, making studies of their origin a fundamental issue. We discuss the kinetic modeling of particle acceleration by pulsars with bow shocks and the propagation of those particles to the Earth. We consider the nearest PSR J0437-4715 that may produce the measured positron flux from tens of GeV to 1 TeV and PSR J1741-2054.