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Aspects of Grand Unified Models with Softly Broken Supersymmetry
Abstract
The minimal SU(3)× SU(2)× U(1) gauge model with softly broken supersymmetry is studied in the framework of the standard grand unification. It is assumed that the supersymmetry is left intact at an energy scale μ≃ MX, the grand unification mass scale, except for Majorana masses of gauge fermions. The other soft breaking parameters at low energies are shown to be generated by renormalization effects. The gauge symmetry breaking SU(2)× U(1)→ U(1)em is also caused through radiative corrections. The super-GIM mechanism apparently works well to suppress flavor changing neutral interactions. The mass of the top quark is remarkably found to be constrained as 60 GeV ≾ mt ≾ 180 GeV. Futhermore various mass relations for unconventional particles are obtained as well as crude estimates for numerical masses of them. It is found that there is a plethola of new particles in a mass range from a few tens of GeV to a few hundred GeV.
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Citations
Cited by
The Next-to-Minimal Supersymmetric Standard Model
Ellwanger, U., Hugonie, C., & Teixeira, A. M. (2010) · Physics Reports · doi:10.1016/j.physrep.2010.07.001 · Cited by 992
CMS Physics Technical Design Report, Volume II: Physics Performance
Collaboration, T. C. (2007) · Journal of Physics G: Nuclear and Particle Physics · doi:10.1088/0954-3899/34/6/s01 · Cited by 940
The μ-problem and the strong CP-problem
Kim, J. E., & Nilles, H. P. (1984) · Physics Letters B · doi:10.1016/0370-2693(84)91890-2 · Cited by 851
Effects of supergravity-induced electroweak breaking on rare b-decays and mixings
Bertolini, S., Borzumati, F., Masiero, A., & Ridolfi, G. (1991) · Nuclear Physics B · doi:10.1016/0550-3213(91)90320-w · Cited by 687
Ellis, J., Kounnas, C., & Nanopoulos, D. V. (1984) · Nuclear Physics B · doi:10.1016/0550-3213(84)90555-8 · Cited by 543
Metadata
- Authors
- Inoue, K., Kakuto, A., Komatsu, H., & Takeshita, S.
- Venue
- Progress of Theoretical Physics
- Publisher
- Oxford University Press (OUP)
- Published
- 1982-09-01
- Volume
- 68
- Issue
- 3
- Pages
- 927-946
- ISSN
- 0033-068X (ISSN-L)
- 1347-4081
- OpenAlex
- W2146002352
- Cited by
- 857
- References
- 0
- FWCI
- 30.44
- Type
- journal article
- Language
- en
- Open access
- closed
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- Inoue, K., Kakuto, A., Komatsu, H., & Takeshita, S. (1982). Aspects of Grand Unified Models with Softly Broken Supersymmetry. Progress of Theoretical Physics. https://doi.org/10.1143/ptp.68.927
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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