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| Format: | Preprint |
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2026
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| Online Access: | https://arxiv.org/abs/2605.24866 |
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| _version_ | 1866916042774675456 |
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| author | Teli, Bishnu Gupta Singh, Tejinder Pal |
| author_facet | Teli, Bishnu Gupta Singh, Tejinder Pal |
| contents | We develop a spectral framework for fermion mass hierarchies based on the exceptional Jordan algebra $J_3(\mathbb{O}_{\mathbb{C}})$. Starting from the octonionic realization of one Standard Model generation in $\mathbb{C}\otimes\mathbb{O}$, we embed the resulting three-generation structure into Hermitian Jordan elements whose eigenvalues define intrinsic spectral invariants. The ordered spectral scales generate cubic ladder structures in the symmetric representation $\mathrm{Sym}^3(\mathbf{3})$, and consistency of multiplicative hierarchy composition naturally leads to power-law relations between fermion masses and spectral scales. The construction should be viewed as a phenomenological spectral deformation of the rigid exceptional-Jordan framework discussed below: we retain the same cubic-ladder, minimal-chain, and Dynkin-reflection structure, but promote the relative normalization, hierarchy exponent, and charged-lepton octonionic phase to fitted spectral moduli. A global logarithmic fit to six charged-fermion mass ratios at $μ=M_Z$ lowers the unpenalized log-residual relative to the rigid point, mainly through the top-to-charm ratio, while the individual ratios are not uniformly improved. The best-fit hierarchy exponent remains close to the square-root scaling regime, $p\simeq1$. In the neutrino sector, the framework accommodates both normal and inverted ordering while remaining consistent with oscillation data and current cosmological bounds on the total neutrino mass. Thus, the proposal is an effective spectral organization of fermion hierarchies, not a parameter-free replacement for the broader rigid construction discussed below. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_24866 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Fermion Mass Hierarchies and the Exceptional Jordan Algebra Teli, Bishnu Gupta Singh, Tejinder Pal High Energy Physics - Phenomenology We develop a spectral framework for fermion mass hierarchies based on the exceptional Jordan algebra $J_3(\mathbb{O}_{\mathbb{C}})$. Starting from the octonionic realization of one Standard Model generation in $\mathbb{C}\otimes\mathbb{O}$, we embed the resulting three-generation structure into Hermitian Jordan elements whose eigenvalues define intrinsic spectral invariants. The ordered spectral scales generate cubic ladder structures in the symmetric representation $\mathrm{Sym}^3(\mathbf{3})$, and consistency of multiplicative hierarchy composition naturally leads to power-law relations between fermion masses and spectral scales. The construction should be viewed as a phenomenological spectral deformation of the rigid exceptional-Jordan framework discussed below: we retain the same cubic-ladder, minimal-chain, and Dynkin-reflection structure, but promote the relative normalization, hierarchy exponent, and charged-lepton octonionic phase to fitted spectral moduli. A global logarithmic fit to six charged-fermion mass ratios at $μ=M_Z$ lowers the unpenalized log-residual relative to the rigid point, mainly through the top-to-charm ratio, while the individual ratios are not uniformly improved. The best-fit hierarchy exponent remains close to the square-root scaling regime, $p\simeq1$. In the neutrino sector, the framework accommodates both normal and inverted ordering while remaining consistent with oscillation data and current cosmological bounds on the total neutrino mass. Thus, the proposal is an effective spectral organization of fermion hierarchies, not a parameter-free replacement for the broader rigid construction discussed below. |
| title | Fermion Mass Hierarchies and the Exceptional Jordan Algebra |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2605.24866 |