arXiv:1502.03582·v2·High Energy Physics — Phenomenology
D-brane instanton induced mu-terms and their hierarchical structure
Hiroyuki Abe🇯🇵 · Tatsuo Kobayashi🇯🇵 · Yoshiyuki Tatsuta🇯🇵 · Shohei Uemura🇯🇵
Abstract
We study the mu-term matrix of Higgs pairs induced by the D-brane instanton effects in intersecting D6-brane models compactified on T6. It is found that the mu-term matrix has a certain permutation symmetry and its eigenvalues have large hierarchical structure without fine tuning.
Comments: 10 pages, 2 figures