nLab doublet-triplet splitting problem

Idea

One of the technical issues in the phenomenological viability of grand unified theories.

Related concepts

• proton decay

References

• Luis Ibáñez, Angel Uranga, section 2.6. (p. 48 (62)) of String Theory and Particle Physics – An Introduction to String Phenomenology, Cambridge University Press 2012

• Gero von Gersdorff, A Clockwork Solution to the Doublet-Triplet Splitting Problem (arXiv:2009.08480)

See also:

• Wikipedia, Doublet–triplet splitting problem

Possible resolution for GUT-models in the context of M-theory on G₂-manifolds is discussed in

• Edward Witten, Deconstruction, $G_2$ Holonomy, and Doublet-Triplet Splitting, (arXiv:hep-ph/0201018)

• Bobby Acharya, Krzysztof Bozek, Miguel Crispim Romao, Stephen F. King, Chakrit Pongkitivanichkul, $SO(10)$ Grand Unification in M theory on a $G_2$ manifold (arXiv:1502.01727)