# LIB2-209 — SL-06: MS-bar weak-angle comparator at the Z scale

- 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.72)
- basis: {"pdf_sha256_prefix": "b64ddcd9e16a6dcd", "release": "Rev33.1_S369"}

## Statement

The ledger’s MS-bar weak-angle comparator at MZ is sin²θ̂W = 0.23122 ± 0.00006.

## Primary source

Paper 4, §7, Three distinct electroweak scheme objects, PDF p.76: "sin2 θ̂W (MS, MZ ) = 0.23122 ± 0.00006"

## Machine

- url: /library-v2/LIB2-209/
- content_sha256: 0e98f0fdda2010b040419d6a00f783c9fcaf7dca62fc26d3dc7f24a838227324
- candidate_ids: C2-184

## Freshness

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