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cpt

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Repository for the paper “Testing CPT–Symmetric Siamese Universes through FRB–QSO Sky Correlations (v1.3)”. Cross-correlates CHIME/FRB Catalog 1 with DESI DR1 QSOs to probe directional asymmetry near the CPT axis (RA ≈ 170°, Dec ≈ 40°), finding a marginal excess (Z = 7.0 ± 1.1, p ≈ 0.019).

  • Updated Oct 24, 2025
  • Python

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