期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP05(2010)087
关键词
Beyond Standard Model; Neutrino Physics; Supersymmetric Standard Model
资金
- Council of Scientific and Industrial Research, Government of India
- Deutsche Forschungsgemeinschaft (DFG)
- Department of Atomic Energy, Government of India
- Harish-Chandra Research Institute
In an extension of the minimal supersymmetric standard model (popularly known as the mu nu SSM), three right handed neutrino superfields are introduced to solve the mu-problem and to accommodate the non-vanishing neutrino masses and mixing. Neutrino masses at the tree level are generated through R-parity violation and seesaw mechanism. We have analyzed the full effect of one-loop contributions to the neutrino mass matrix. We show that the current three flavour global neutrino data can be accommodated in the mu nu SSM, for both the tree level and one-loop corrected analyses. We find that it is relatively easier to accommodate the normal hierarchical mass pattern compared to the inverted hierarchical or quasi-degenerate case, when one-loop corrections are included.
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