@article{oai:aue.repo.nii.ac.jp:00004826,
 author = {Haba, Naoyuki and Hattori, Chuichiro and Matsuda, Masahisa and Matsuoka, Takeo and Mochinaga, Daizo},
 issue = {2},
 journal = {Progress of theoretical physics},
 month = {},
 note = {text, In Calabi-Yau string compactification, it is pointed out that there exists a new type of SU(5)×U(1)^2 model (the aligned SU(5)×U(1)^2 model) in which the SU(5) differs from the standard SU(5) and also from the flipped SU(5). With the aid of the discrete symmetry suggested from Gepner model, we construct a simple and phenomenologically interesting three-generation model with the aligned SU(5)×U(1)^2 gauge symmetry. The triplet-doublet splitting problem can be solved. It is also found that there is a realistic solution for solar neutrino problem and for the μ-problem. At low energies this model is in accord with the minimal supersymmetric standard model except for the existence of singlet fields with masses of O(1)TeV.},
 pages = {233--247},
 title = {The Aligned SU(5) x U(1)^2 model.},
 volume = {94},
 year = {1995}
}