E2 Instanton Effects and Higgs Physics In Intersecting Brane Models

Details E2 Instanton Effects and Higgs Physics In Intersecting Brane Models E2 Instanton Effects and Higgs Physics In Intersecting Brane Models

2008-04-21

arxiv.org/abs/0804.3265v1

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, 1 figure

Scientific paper

String instanton effects in Higgs physics are discussed through a type IIA model based on T^{6}/(Z^{2}\times Z^{'2}) orentifold compactifaction. By inclusion of rigid E2-branes, the model exhibits a MSSM-like spectrum, as well as extra mu and quartic Higgs couplings. These extra couplings are induced via E2 instantons non-perturbatively. Setting the string scale at 10^{18} GeV, one gets interesting TeV Higgs physics. In particlular, the tree-level Higgs mass can be uplifted substantially.

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