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Non-Higgsable clusters for 4D F-theory models

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arxiv 1412.6112 v4 pith:X7TCC4S7 submitted 2014-12-18 hep-th

Non-Higgsable clusters for 4D F-theory models

classification hep-th
keywords gaugeclustersfactorsgroupmatternon-higgsablef-theorynonabelian
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We analyze non-Higgsable clusters of gauge groups and matter that can arise at the level of geometry in 4D F-theory models. Non-Higgsable clusters seem to be generic features of F-theory compactifications, and give rise naturally to structures that include the nonabelian part of the standard model gauge group and certain specific types of potential dark matter candidates. In particular, there are nine distinct single nonabelian gauge group factors, and only five distinct products of two nonabelian gauge group factors with matter, including $SU(3) \times SU(2)$, that can be realized through 4D non-Higgsable clusters. There are also more complicated configurations involving more than two gauge factors; in particular, the collection of gauge group factors with jointly charged matter can exhibit branchings, loops, and long linear chains.

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