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Li, TJ; Nanopoulos, DV; Walker, JW; Walker, JW (reprint author), Sam Houston State Univ, Dept Phys, Huntsville, TX 77341 USA.
Elements of F-ast proton decay
Source PublicationNUCLEAR PHYSICS B
Language英语
KeywordGauge Coupling Unification x u(1)(x) Models Grand Unification Electromagnetic-interactions String Unification Symmetry-breaking Flipping Su(5) Lep Data Supersymmetry Benchmarks
AbstractGauge coupling unification in the Minimal Supersymmetric Standard Model (MSSM) strongly suggests the existence of a Grand Unified Theory (GUT), which could be probed by the observation of proton decay. Proton lifetime in the p -> (e/mu)(+)pi(0) dimension six mode is proportional in the fourth power to the GUT mass scale, and inversely proportional in the fourth power to the GUT coupling. Flipped SU(5) with strict MSSM field content is known to survive existing null detection limits for proton decay approaching 10(34) years, and indeed, the lifetime predicted by prior studies can be so long that successful detection is not currently plausible. We provide an updated dictionary of solutions for the relevant flipped unification parameters with generic beta-function coefficients, significantly upgrading the level of detail with which second order effects are treated, and correcting subtle published errors. Recently studied classes of a-theory derived GUT models postulate additional vector-like multiplets at the TeV scale which modify the renormalization group to yield a substantial increase in the SU(3)(C) x SU(2)(L) unified coupling. In conjunction with the naturally depressed F-lipped SU(5) partial unification mass M(32), the F-resh analysis undertaken predicts comparatively F-ast proton decay which only narrowly evades existing detection limits, and likely falls within the observable range of proposed next generation detectors such as DUSEL and Hyper-Kamiokande. The TeV-scale vector multiplets are themselves suitable for cross correlation by the Large Hadron Collider. Their presence moreover magnifies the gap between the dual mass scales of Flipped SU(5), allowing for an elongated second stage renormalization, pushing the F-inal grand unification to the doorstep of the reduced Planck mass. (C) 2011 Elsevier B.V. All rights reserved.
2011
ISSN0550-3213
Volume846Issue:1Pages:43-99
Subject AreaPhysics
Indexed BySCI
Funding OrganizationDOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504]; Mitchell-Heep Chair in High Energy Physics ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504]; Mitchell-Heep Chair in High Energy Physics ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504]; Mitchell-Heep Chair in High Energy Physics ; DOE [DE-FG03-95-Er-40917]; Natural Science Foundation of China [10821504]; Mitchell-Heep Chair in High Energy Physics
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14366
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWalker, JW (reprint author), Sam Houston State Univ, Dept Phys, Huntsville, TX 77341 USA.
Recommended Citation
GB/T 7714
Li, TJ,Nanopoulos, DV,Walker, JW,et al. Elements of F-ast proton decay[J]. NUCLEAR PHYSICS B,2011,846(1):43-99.
APA Li, TJ,Nanopoulos, DV,Walker, JW,&Walker, JW .(2011).Elements of F-ast proton decay.NUCLEAR PHYSICS B,846(1),43-99.
MLA Li, TJ,et al."Elements of F-ast proton decay".NUCLEAR PHYSICS B 846.1(2011):43-99.
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