Prospects for Higgs coupling measurements in SUSY with radiatively-driven naturalness

Kyu Jung Bae, Howard Baer, Natsumi Nagata, Hasan Serce

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

In the post-LHC8 world - where a Standard Model-like Higgs boson has been established but there is no sign of supersymmetry (SUSY) - the detailed profiling of the Higgs boson properties has emerged as an important road towards discovery of new physics. We present calculations of the expected deviations in Higgs boson couplings κτ,b, κt, κW,Z, κg and κγ versus the naturalness measure ΔEW. Low values of ΔEW∼10-30 give rise to a natural little hierarchy characterized by light Higgsinos with a mass of μ∼mZ while top squarks are highly mixed but lie in the several TeV range. For such models with radiatively driven naturalness, one expects the Higgs boson h to look very SM-like although deviations can occur. The more promising road to SUSY discovery requires direct Higgsino pair production at a high energy e+e- collider operating with the center-of-mass energy s>2μ∼2ΔEWmZ.

Original languageEnglish (US)
Article number035006
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume92
Issue number3
DOIs
StatePublished - Aug 14 2015

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