Multi-Period Fermi-LAT and LHAASO Constraints on Axion-Like Particles from Mrk 421 via chi squared Profile Likelihood with Gaussian Copula Correlation

arXiv:2606.05738 · astro-ph.HE · Submitted 2026-06-04 · Read on arXiv

astro-ph.HE

Submitted: 2026-06-04

Updated: 2026-10-11

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