What question did this study set out to answer?

The aim is to explore a unique M-theory compactification that results in a flavor architecture and gauge group emerging from a G₂ orbifold.

August 12, 2026Open Access

Standard-Model Flavor From a Compact Nearly-Parallel G₂ Orbifold

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Compact M-theory construction reveals new flavor structures and symmetry in gauge theories, suggesting avenues for proton stability.

The aim is to explore a unique M-theory compactification that results in a flavor architecture and gauge group emerging from a G₂ orbifold.
Developed a compactification model using a squashed seven-sphere and a 288-element group.
Analyzed the gauge content and flavor sector derived from the model's symmetry structure.
Investigated the vacuum properties and derived predictions related to various observable phenomena.
Established the gauge group as the Standard Model plus U(1)B₋L, indicating a mechanism for proton stability.
Identified a unique flavor structure with a sealed U(2) texture and exact mass law, predicting ε = 0.2637.
Provided conditions and predictions for observables, including an inverted neutrinoless-double-beta wager and cosmic-string signatures.

Clay Barkley (2026) studied this question.

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