Abstract
The existence of dark matter is explained by a new neutral vector boson, C-boson, of mass (900 GeV), predicted by the Wu mechanisms for mass generation of gauge field. According to the Standard Model (SM) W, Z-bosons normally get their masses through coupling with the SM Higgs particle of mass 125 GeV. We compute the self-annihilation cross section of the vector gauge boson C-dark matter and calculate its relic abundance. We also study the constraints suggested by dark-matter direct-search experiments. The problem on the stability of C-particle is left as an open question for future research.
Highlights
The nature of dark matter, proposed in 1933 to explain why galaxies in some clusters move faster than their predicted speed if they contained only baryonic matter [1], remains one of the open questions of modern physics
A cold dark matter candidate produced at the Large Hadron Collider (LHC) should have this annihilation cross section
We show that a new neutral C- boson of mass (900GeV), predicted by the Wu mechanisms for mass generation of gauge field, can explain the dark matter in our Universe
Summary
The nature of dark matter, proposed in 1933 to explain why galaxies in some clusters move faster than their predicted speed if they contained only baryonic matter [1], remains one of the open questions of modern physics. UED models provide a viable dark matter candidate, namely the Lightest Kaluza Klein particle (LKP) ([38], [39]) It has been realized [40,41,42] that a conventional model [43], [41], [42] based on superstring-inspired E6 has exactly the ingredients which allow it to become a model of vector-boson dark matter. We compute the self-annihilation cross section of the vector gauge C-boson -dark matter, calculate C-boson’s relic abundance and study the modeling constraints generated by darkmatter direct-search experiments
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