Phenomenology of Electroweak Symmetry Breaking from Theory Space | Zendy

Nima Arkani–Hamed | Zendy; Thomas Grégoire | Zendy; Jay G. Wacker | Zendy; Andrew G. Cohen | Zendy

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Phenomenology of Electroweak Symmetry Breaking from Theory Space

Author(s) -

Nima Arkani–Hamed,

Thomas Grégoire,

Jay G. Wacker,

Andrew G. Cohen

Publication year - 2002

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2002/08/020

Subject(s) - physics , particle physics , electroweak interaction , higgs boson , symmetry breaking , technicolor , higgs mechanism , spontaneous symmetry breaking , yukawa potential , boson , gauge boson , global symmetry , phenomenology (philosophy) , supersymmetry , higgs field , gauge theory , philosophy , epistemology

Recently, a new class of realistic models for electroweak symmetry breakinghave been constructed, without supersymmetry. These theories have naturallylight Higgs bosons and perturbative new physics at the TeV scale. We describethese models in detail, and show that electroweak symmetry breaking can betriggered by a large top quark Yukawa coupling. A rich spectrum of particles ispredicted, with a pair of light Higgs doublets accompanied by new light weaktriplet and singlet scalars. The lightest of these new scalars is charged undera geometric discrete symmetry and is therefore stable, providing a newcandidate for WIMP dark matter. At TeV energies, a plethora of new heavyscalars, gauge bosons and fermions are revealed, with distinctive quantumnumbers and decay modes.Comment: 22 pages, latex, 6 figures. Numerical results corrected, clarifications added, conclusions unchange

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