4-11 July 2012
Melbourne Convention and Exhibition Centre
Australia/Melbourne timezone
ICHEP2012 - 36th International Conference for High Energy Physics

Light Higgs Scenario in BMSSM and LEP Precision Data

6 Jul 2012, 17:15
15m
Plenary 3 (Melbourne Convention and Exhibition Centre)

Plenary 3

Melbourne Convention and Exhibition Centre

Melbourne Australia
Parallel Sessions Track 1 - The Standard Model and EW Symmetry Breaking - Higgs Searches Plenary3 - The Standard Model -TR1

Speaker

Dr DOYOUN Kim (Monash University)

Description

In this talk we consider very light Higgs fields in BMSSM(Beyond MSSM). The spectrum below TeV scale is the same as the MSSM but the Higgs potential is modified and is well described in terms of effective dimension five and six operators. A correction from the BMSSM operators allows us to consider new parameter space of Higgs sector which is not allowed in the MSSM. It can be regarded as a constrained version of general 2 Higgs doublet model (2HDM) as long as Higgs sector is concerned. We focus on the possibility that CP odd Higgs (A) mass is about 7 or 8 GeV and charged Higgs mass is comparable to W mass. At the same time one of the CP even Higgs (h) is light enough such that h and A production at the Z pole is kinematically allowed. The tension between forward backward asymmetry of bottom quark Ab_FB measured at LEP and the Standard Model prediction can be ameliorated if bottom quark pair produced from light CP even Higgs is taken into account.

Primary authors

Dr DOYOUN Kim (Monash University) Hyung Do Kim (Unknown) Jihun Kim (Seoul National University) Kyu Jung Bae (Korea Advanced Institute of Science and Technology) Radovan Dermisek

Presentation materials