282 citations · 4.3k across the 74 of their papers we have counts for
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Scalar Singlet Dark Matter
Geneviève Bélanger, Kristjan Kannike, Alexander Pukhov +1
We consider the minimal scalar singlet dark matter stabilised by a symmetry. Due to the cubic term in the scalar potential, semi-annihilations, besides annihilations, contrib…
Is the resonance at 125 GeV the Higgs boson?
Pier Paolo Giardino, Kristjan Kannike, Martti Raidal +1
The recently discovered resonance at 125 GeV has properties remarkably close to those of the Standard Model Higgs boson. We perform model-independent fits of all presently availabl…
Vacuum Stability Conditions From Copositivity Criteria
Kristjan Kannike
A scalar potential of the form is bounded from below if its matrix of quartic couplings is copositive -- positive on non-negative vectors. Scalar pote…
Fermiophobic Higgs boson and supersymmetry
Emidio Gabrielli, Kristjan Kannike, Barbara Mele +2
If a light Higgs boson with mass 125 GeV is fermiophobic, or partially fermiophobic, then the MSSM is excluded. The minimal supersymmetric fermiophobic Higgs scenario can naturally…
Reconstructing Higgs boson properties from the LHC and Tevatron data
Pier Paolo Giardino, Kristjan Kannike, Martti Raidal +1
We perform a phenomenological fit to all ATLAS, CMS, CDF and D0 Higgs boson data available after Moriond 2012. We allow all Higgs boson branching fractions, its couplings to standa…
Impact of semi-annihilations on dark matter phenomenology - an example of Z_N symmetric scalar dark matter
G. Bélanger, K. Kannike, A. Pukhov +1
We study the impact of semi-annihilations x_i x_j <-> x_k X, where x_i is any dark matter and X is any standard model particle, on dark matter phenomenology. We formulate minimal s…