Light Higgs boson, light dark matter, and gamma rays
نویسندگان
چکیده
منابع مشابه
Discovering a Light Higgs Boson with Light
We evaluate the prospects for detecting a non-standard light Higgs boson with a significant branching ratio to two photons, in the Run II of the Fermilab Tevatron. We derive the reach for several channels: 2γ inclusive, 2γ + 1 jet, and 2γ + 2 jets. We present the expected Run II limits on the branching ratio of h → γγ as a function of the Higgs mass, for the case of “bosonic”, as well as “topco...
متن کاملGamma Rays from Dark Matter
I give a brief review of high energy gamma-ray signatures of dark matter. The decay of massiveX-particles and subsequent hadronization have been suggested as the origin of the highest energy cosmic rays. Propagation over cosmological distances to Earth (as would be the case in some topological defect origin models for the Xparticles) results in potentially observable gamma-ray fluxes at GeV ene...
متن کاملDark Matter and Cosmic Rays from Light Gauginos
An attractive class of SUSY-breaking mechanisms predicts a photino mass of order 1 GeV. Relic photinos can naturally account for the observed dark matter. Detection of these light photinos is discussed and contrasted with conventional WIMPs. In this scenario the gluino mass is about 100 MeV. The lightest gluinocontaining baryon could account for the recently observed ultra-high energy cosmic ra...
متن کاملLight Charged Higgs Boson and Supersymmetry
A possible discovery of a relatively light charged Higgs bosonH in near future experiments, with a mass MH+ < ∼ 110 GeV, together with the present LEP2 direct limits on the chargino and neutral Higgs sectors, would highly disfavour the minimal supersymmetric standard model, including its frequently discussed next-to-minimal supersymmetric extension. We show that a supersymmetric origin can natu...
متن کاملTop Quark, W-boson and Light Higgs
The top quark, the W-boson and the Higg boson form an interesting triptych of elementary particles. In the Standard Model knowing the mass of two of these particles, usually the top quark and W-boson, we can predict the mass of the third, the Higgs boson. Therefore in this proceedings I will primarily cover the following topics, top quark physics, W-boson mass and the light Higgs boson at the p...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2010
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.82.095011