A boundary-consistent two-zone kernel shows that distant pulsars beyond 1 kpc can contribute 37-47% of the 10-100 GeV positron flux for a 0.2 kpc disk thickness, with Geminga-like halos compatible with AMS-02 data when including a 100 pc cavity.
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PHECT is a configurable computation tool for pulsar halo gamma-ray emission using multiple transport models and stable finite-volume discretizations.
A two-zone diffusion model fitted to HAWC morphology and spectrum data constrains Geminga's slow-diffusion zone to 30-70 pc and injection index p ≤ 2.17, reproducing AMS-02 positrons as a derived outcome.
citing papers explorer
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A Boundary-Consistent Two-Zone Electron Kernel for Distant Pulsar Contributions to Positron Flux and Anisotropy
A boundary-consistent two-zone kernel shows that distant pulsars beyond 1 kpc can contribute 37-47% of the 10-100 GeV positron flux for a 0.2 kpc disk thickness, with Geminga-like halos compatible with AMS-02 data when including a 100 pc cavity.
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PHECT: A lightweight computation tool for pulsar halo emission
PHECT is a configurable computation tool for pulsar halo gamma-ray emission using multiple transport models and stable finite-volume discretizations.
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Constraining the slow-diffusion zone size and electron injection spectral index for the Geminga pulsar halo
A two-zone diffusion model fitted to HAWC morphology and spectrum data constrains Geminga's slow-diffusion zone to 30-70 pc and injection index p ≤ 2.17, reproducing AMS-02 positrons as a derived outcome.