LHC limits on the top-Higgs in models with strong top-quark dynamics
Journal Article
·
· Physical Review. D, Particles Fields
- Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824 (United States)
LHC searches for the standard model Higgs boson in WW or ZZ decay modes place strong constraints on the top-Higgs state predicted in many models with new dynamics preferentially affecting top quarks. Such a state couples strongly to top quarks, and is therefore produced through gluon fusion at a rate enhanced relative to the rate for the standard model Higgs boson. A top-Higgs state with mass less than 300 GeV is excluded at 95% C.L. if the associated top-pion has a mass of 150 GeV, and the constraint is even stronger if the mass of the top-pion state exceeds the top-quark mass or if the top-pion decay constant is a substantial fraction of the weak scale. These results have significant implications for theories with strong top dynamics, such as topcolor-assisted technicolor, top-seesaw models, and certain Higgsless models.
- OSTI ID:
- 21608063
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 9 Vol. 84; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
BOSONS
CERN LHC
CYCLIC ACCELERATORS
DECAY
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
FIELD THEORIES
GEV RANGE
GEV RANGE 100-1000
GLUONS
GRAND UNIFIED THEORY
HADRONS
HIGGS BOSONS
HIGGS MODEL
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
MASS
MATHEMATICAL MODELS
MESONS
PARTICLE DECAY
PARTICLE MODELS
PIONS
POSTULATED PARTICLES
PSEUDOSCALAR MESONS
QUANTUM FIELD THEORY
QUARKS
STANDARD MODEL
STORAGE RINGS
SYNCHROTRONS
T QUARKS
TOP PARTICLES
UNIFIED GAUGE MODELS
Z NEUTRAL BOSONS
ACCELERATORS
BOSONS
CERN LHC
CYCLIC ACCELERATORS
DECAY
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
FIELD THEORIES
GEV RANGE
GEV RANGE 100-1000
GLUONS
GRAND UNIFIED THEORY
HADRONS
HIGGS BOSONS
HIGGS MODEL
INTERMEDIATE BOSONS
INTERMEDIATE VECTOR BOSONS
MASS
MATHEMATICAL MODELS
MESONS
PARTICLE DECAY
PARTICLE MODELS
PIONS
POSTULATED PARTICLES
PSEUDOSCALAR MESONS
QUANTUM FIELD THEORY
QUARKS
STANDARD MODEL
STORAGE RINGS
SYNCHROTRONS
T QUARKS
TOP PARTICLES
UNIFIED GAUGE MODELS
Z NEUTRAL BOSONS