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Flavor from a √2‑Discrete Vacuum: 13‑Selective CKM Suppression and a Geometric Seesaw for PMNS(NO) √2 離散真空がフレーバーを生成する: 13 選択的 CKM 抑圧と PMNS(NO) の幾何学シーソー

Authors: IWASAKI, HIROTO;

Flavor from a √2‑Discrete Vacuum: 13‑Selective CKM Suppression and a Geometric Seesaw for PMNS(NO) √2 離散真空がフレーバーを生成する: 13 選択的 CKM 抑圧と PMNS(NO) の幾何学シーソー

Abstract

【20250123-v1.5】冒頭に Notation / 表記一覧を新設、Abstract書き換え、各種表の新設、各種記述の追加/修正、論文内GitHub側のノート/ドライバ更新 【20250123-v1.4】頑健性テスト節(3.5.1)を拡張し、(A)連続パラメータ摂動と(B)構造入力Kgeoの離散ずれを分離して主要出力(Λ・Pmν・mββ)の安定性を定量化:\delta O_k \equiv (O_k-O_0)/O_0、\Delta_{\rm rob}(O)\equiv \max_k|\delta O_k|(項の意味:\delta O_k=摂動ケースkの相対変化、O_k=摂動ケースkの出力、O_0=基準入力の出力、O=対象出力、\Delta_{\rm rob}=最大偏差;役割:入力選びに対し結論が「何%以内で安定か」を1指標で提示)、\Delta y_{13}\equiv y_{13}^{\rm(pred)}-y_{13}^{\rm(obs)}、y_{13}^{\rm(obs)}\equiv -\log_2(\sin\theta_{13}^{\rm(obs)})で13残差の報告を明確化、Kgeo = −48入力への背景及び経緯追加、GitHub側のノート/ドライバ更新 【20250122-v1.3】頑健性テスト節(3.5.1)を新設、主要出力(EFTスケール Λ・P_{m\nu}・m_{\beta\beta})の入力摂動に対する安定性を定量化:\delta O_k \equiv (O_k-O_0)/O_0、\Delta_{\rm rob}(O)\equiv \max_k|\delta O_k| を導入(項の意味:\delta O_k=摂動ケースkでの相対変化、O_0=基準値、\Delta_{\rm rob}=最悪ケースの最大相対変化;役割:結論が入力選びに過敏でないことを1指標で示す)、頑健性要約の Table 4/5 を追加、13残差の報告を \Delta y_{13}\equiv y_{13}^{\rm(pred)}-y_{13}^{\rm(obs)}、y_{13}^{\rm(obs)}\equiv -\log_2(\sin\theta_{13}^{\rm(obs)}) として明確化,GItHub内のノートブック更新 【20250122-v1.2】Assumptions & Outputs に DoF(自由度)台帳 Table 1 を新設、入力/出力の境界を明確化 【20250122-v1.1】「再現性のための定義・抽出手順」を Appendix B として新設,√2 最小ステップの動機づけ(直交合成)を追記:「v_n^2 = v_{n-1}^2 + \Delta_n^2」を導入,再現性の固定値など明文化,軽微な表記揺れ、数式モードの修正 標準模型における質量階層とフレーバー混合は多数の自由パラメータに依存し、その起源は未解決である。本稿では、√2 を最小ステップとする離散生成則に微小補正(離散ラベル)を組み合わせたハイブリッド枠組を提案し、荷電レプトンおよびクォークの質量階層を少数パラメータで連鎖的に再構成する(相対誤差 RMS ≃ 4.03 × 10−3)。さらに同一形式の混合則により CKM/PMNS の混合角階層を統一的に記述し、クォークの混合では必要な補正が 13 成分に局在することをデータ駆動で同定する。すなわち、他成分は既に生成則のみで観測と整合し、13 にのみ追加の自由度が要求されるため、最小補正として 13 残差のみを吸収すれば十分である。実際、13 の残差のみを最小補正として取り込むと、CKMの整合性は RMS(|V |) = 1.79 × 10−2 から 1.09 × 10−4 へ改善する。残差の大きさを次元 6 有効演算子に写像することで新物理スケールを Λ ≃ 14.8 TeV(95%CI:[14.796, 14.817] TeV)と推定する。レプトン側では同種の歪みパラメータをガウス的モンテカルロで評価し、分布と信頼区間を与えるとともに、∑ mν との相関が |corr| ∼ 10−3 と極小であることを示す。加えて、幾何学的入力を Type‑I シーソーへ埋め込み、正階層(NO)を主分岐として採用すると、∑ mν = 0.12067 eV、mβ ≃ 0.03171 eV、および位相スキャンにより mββ ∈ [0.01007, 0.03144] eV(68%CI:(0.01346, 0.02906) eV)を得る。以上により、本枠組は質量・混合・ニュートリノ絶対質量・0νββ を単一の生成則と最小の補正で結び、Λ、∑ mν 、mβ 、mββ を通じて反証可能な形で検証へ接続する。

Keywords

PMNS matrix, Cosmology / Astroparticle Physics, Type-I seesaw mechanism, Effective Field Theories, Standard Model Effective Field Theory (SMEFT) / EFT, dimension-6 operators, Yukawa couplings, High Energy Physics - Phenomenology, sum of neutrino masses (Σmν), CKM matrix, neutrinoless double beta decay (0νββ), flavor physics, neutrino mass ordering (NO), Neutrino Physics, Particle Physics, Nuclear Physics

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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