# LIB2-226 — SL-23: NuFIT squared-sine reactor-angle comparator

- class: COMPARATOR · review_state: PUBLISHED · house_tier: not yet assigned
- labels as printed: math_status NOT_PRINTED · attachment NOT_PRINTED · scorecard tier word none (PDF p.79)
- basis: {"pdf_sha256_prefix": "b64ddcd9e16a6dcd", "release": "Rev33.1_S369"}

## Statement

The ledger’s normal-ordering squared-sine reactor-angle comparator is 0.02248 with asymmetric errors +0.00055 and −0.00059.

## Primary source

Paper 5, §2, Precision and structural status: named reactor comparator, PDF p.83: "comparator NuFIT 6.1 (NH, w/SK), sin2 θ13 = 0.02248+0.00055 −0.00059"

## Machine

- url: /library-v2/LIB2-226/
- content_sha256: cd74e08a9adef6a21fb7a3aee5553d45e5d27b17cf4ec579378c316c1495ae5c
- candidate_ids: C2-201

## Freshness

- BUILD_STAMP S371a · 2026-09-26T22:53Z · master 01d1a5873ede42f5 · cut 9dcc6ce9a8ee3e02
- Declared volatile fields (R36): BUILD_STAMP