Global study of the simplest scalar phantom dark matter model

We present a global study of the simplest scalar phantom dark matter model. The best fit parameters of the model are determined by simultaneously imposing (i) relic density constraint from WMAP, (ii) 225 live days data from direct experiment XENON100, (iii) upper limit of gamma-ray flux from Fermi-L...

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Bibliographic Details
Published in:Journal of cosmology and astroparticle physics 2012-10, Vol.2012 (10), p.i-19
Main Authors: Cheung, Kingman, Tsai, Yue-Lin S, Tseng, Po-Yan, Yuan, Tzu-Chiang, Zee, A
Format: Article
Language:English
Subjects:
ANNIHILATION
ASTROPHYSICS
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
BRANCHING RATIO
CERN LHC
Charging
COSMIC MUONS
CROSS SECTIONS
Dark matter
DENSITY
GALAXIES
GAMMA RADIATION
GEV RANGE
HIGGS BOSONS
Leptons
LIMITING VALUES
MAGNETIC DIPOLE MOMENTS
Mathematical models
NONLUMINOUS MATTER
PHANTOMS
SCALARS
SPACE
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Summary:We present a global study of the simplest scalar phantom dark matter model. The best fit parameters of the model are determined by simultaneously imposing (i) relic density constraint from WMAP, (ii) 225 live days data from direct experiment XENON100, (iii) upper limit of gamma-ray flux from Fermi-LAT indirect detection based on dwarf spheroidal satellite galaxies, and (iv) the Higgs boson candidate with a mass about 125 GeV and its invisible branching ratio no larger than 40% if the decay of the Higgs boson into a pair of dark matter is kinematically allowed. The allowed parameter space is then used to predict annihilation cross sections for gamma-ray lines, event rates for three processes mono-b jet, single charged lepton and two charged leptons plus missing energies at the Large Hadron Collider, as well as to evaluate the muon anomalous magnetic dipole moment for the model.
ISSN:1475-7516
1475-7516
DOI:10.1088/1475-7516/2012/10/042