HAWC observations yield no TeV detections from spider MSPs, with upper limits indicating they are unlikely to contribute substantially to Galactic diffuse emission at TeV energies.
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Discrete ICS simulation shows continuous approximations overestimate evolved cutoff energies, leading to lower inferred electron injection cutoffs for Geminga at 95% CL and potential overestimation of acceleration in PeV sources.
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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Search for TeV emission from spider millisecond pulsars with HAWC
HAWC observations yield no TeV detections from spider MSPs, with upper limits indicating they are unlikely to contribute substantially to Galactic diffuse emission at TeV energies.
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Discrete treatment of inverse Compton scattering: implications on parameter estimation in gamma-ray astronomy
Discrete ICS simulation shows continuous approximations overestimate evolved cutoff energies, leading to lower inferred electron injection cutoffs for Geminga at 95% CL and potential overestimation of acceleration in PeV sources.
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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.