# L97: NEUTRINO Delta_m^2 — LEGACY v1.26 CALCULATION

**Category:** library_prompt | **Kernel:** PHAT v1.27.5 | **Status:** PENDING

## Prompt

NEUTRINO Delta_m^2 — LEGACY v1.26 CALCULATION
Reproduce the v1.26 neutrino mass splitting calculation with updated v1.27.5 null-cone seesaw parameters. Show whether predictions improved from v1.26 to v1.27.5. Compute updated predictions and compare to PDG. #SuperGrokTOE #NeutrinoMasses #Legacy #v126