由Dilaton引起的超对称破缺的现象学意义
高能物理 - 唯象学
2011-07-19 v2 高能物理 - 理论
摘要
我们研究了具有自发破缺N=1超对称性的弦真空的低能性质,其中破缺由dilaton的F项引起。由于dilaton的普适耦合,超对称质量谱仅由三个独立参数决定,比最小超对称标准模型更为受限。对于由Kähler势诱导的μ项,参数空间变为二维;在该参数空间的允许区域内,我们发现大多数超对称粒子仅由胶微子质量决定。Higgs粒子相当轻,顶夸克质量始终低于180 GeV。
引用
@article{arxiv.hep-ph/9305262,
title = {Phenomenological Implications of Supersymmetry Breaking by the Dilaton},
author = {R. Barbieri and J. Louis and M. Moretti},
journal= {arXiv preprint arXiv:hep-ph/9305262},
year = {2011}
}
备注
14 pages, (4 figures not included, available upon request), CERN-TH.6856/93 (In the previous version of this article the gaugino masses were given incorrectly. As a consequences the quantitative analysis of the low energy spectrum changes.)