Record Details

Inert doublet dark matter with strong electroweak phase transition

DSpace at IIT Bombay

View Archive Info
 
 
Field Value
 
Title Inert doublet dark matter with strong electroweak phase transition
 
Creator BORAH, D
CLINE, JM
 
Subject MODEL HIGGS-BOSON
ROOT-S=7 TEV
PP COLLISIONS
SEARCH
 
Description We reconsider the strength of the electroweak phase transition in the inert doublet dark matter model, using a quantitatively accurate form for the one-loop finite temperature effective potential, taking into account relevant particle physics and dark matter constraints, focusing on a standard model Higgs mass near 126 GeV, and doing a full scan of the space of otherwise unconstrained couplings. We find that there is a significant (although fine-tuned) space of parameters for achieving an electroweak phase transition sufficiently strong for baryogenesis while satisfying the XENON100 constraints from direct detection and not exceeding the correct thermal relic density. We predict that the dark matter mass should be in the range 60-67 GeV, and we discuss possible LHC signatures of the charged and CP-odd Higgs bosons, including an similar to 10% enhancement of the h -> gamma gamma branching ratio.
 
Publisher AMER PHYSICAL SOC
 
Date 2014-10-17T04:26:26Z
2014-10-17T04:26:26Z
2012
 
Type Article
 
Identifier PHYSICAL REVIEW D, 86(5)
http://dx.doi.org/10.1103/PhysRevD.86.055001
http://dspace.library.iitb.ac.in/jspui/handle/100/15945
 
Language en