Specific Dark Matter signatures from hidden U(1)

Details Specific Dark Matter signatures from hidden U(1) Specific Dark Matter signatures from hidden U(1)

2010-12-02

arxiv.org/abs/1012.0447v3

PoS QFTHEP2010:027,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

Proceeding of the XIXth International Workshop on High Energy Physics and Quantum Field Theory, QFTHEP2010; 6 pages, 4 figures

Scientific paper

Several constructions motivate the existence of a dark $U(1)_D$ gauge boson which interacts with the Standard Model only through its kinetic mixing or loop induced processes. We describe two typical examples with specific signatures in particular we show that a region with relatively light WIMPS, $M_{Z_D}\lsim 40$ GeV and a kinetic mixing $10^{-4} \lsim \delta \lsim 10^{-3} $ is not yet excluded by the last experimental data and seems to give promising signals in a near future. We also show that conditions from anomaly cancelation generate tri-vector couplings $Z_D Z \gamma$ leading to a specific gamma ray line observable by FERMI telescope.

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