160 likes | 267 Vues
This paper examines the implications of suppressed Higgs boson decays to photons within the context of the LHC. It discusses electroweak symmetry breaking (EWSB), Higgs physics in collider settings, and the complexities of measuring Higgs interactions. Key topics include modifications to the total Higgs width, production cross-sections, and decay widths, focusing on the Higgs-photon coupling and new dynamics affecting observable physics. The analysis highlights the significance of these modifications on branching fractions and the relevance of discovering the Higgs boson under Standard Model expectations.
E N D
Consequences of Suppressed Higgs Decays to Photons at the LHC Brooks Thomas
Detecting a SM Higgs at the LHC WBF Gluon Fusion tth
Standard Model More Complicated Model Mixing between mass, gauge eigenstates: CS Mixing between VEVs: CV More Complicated Higgs Sectors
The hgg and h Effective Vertices W,Z New particles in loops t Higgs-Photon Coupling: Higgs-Gluon Coupling:
Shutting Off h! No effective h vertex!
Type I Higgs Scenarios Consequences of mixing:
The Effect on Observables 3). Modification of Total Higgs Width 1). Modification of Production Cross Section 2). Modification of Decay Widths W,Z f f
Significance of Discovery Standard Model Two-Photon Decay Suppressed
Conclusions Acknowledgments