One in a Billion: MSSM-like D-Brane Statistics

Details One in a Billion: MSSM-like D-Brane Statistics One in a Billion: MSSM-like D-Brane Statistics

2005-10-20

arxiv.org/abs/hep-th/0510170v3

JHEP 0601:004,2006

Physics

High Energy Physics

High Energy Physics - Theory

36 pages, 12 figures; v2: typos corrected, one ref. added; v3: minor changes, version to appear in JHEP

Scientific paper

10.1088/1126-6708/2006/01/004

Continuing our recent work hep-th/0411173, we study the statistics of four-dimensional, supersymmetric intersecting D-brane models in a toroidal orientifold background. We have performed a vast computer survey of solutions to the stringy consistency conditions and present their statistical implications with special emphasis on the frequency of Standard Model features. Among the topics we discuss are the implications of the K-theory constraints, statistical correlations among physical quantities and an investigation of the various statistical suppression factors arising once certain Standard Model features are required. We estimate the frequency of an MSSM like gauge group with three generations to be one in a billion.

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