Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 6, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP06(2014)072
Keywords
Higgs Physics; Beyond Standard Model; Quark Masses and SM Parameters
Categories
Funding
- National Science Foundation [PHY-1315155]
- National Natural Science Foundation of China (NSFC) [11105004]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1315155] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [0968854] Funding Source: National Science Foundation
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We discuss the issue of vacuum stability of standard model by embedding it within the TeV scale left-right universal seesaw model (called SLRM in the text). This model has only two coupling parameters (lambda(1), lambda(2)) in the Higgs potential and only two physical neutral Higgs bosons (h, H). We explore the range of values for (lambda(1) , lambda(2)) for which the light Higgs boson mass M (h) = 126 GeV and the vacuum is stable for all values of the Higgs fields. Combining with the further requirement that the scalar self couplings remain perturbative till typical GUT scales of order 10(16) GeV, we find (i) an upper and lower limit on the second Higgs (H) mass to be within the range: 0.4 a parts per thousand currency sign a parts per thousand currency sign 0.7, where the v (R) is the parity breaking scale and (ii) that the heavy vector-like top, bottom and tau partner fermions (P (3) , N (3) , E (3)) mass have an upper bound . We discuss some phenomenological aspects of the model pertaining to LHC.
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