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Participant |
Berezhiani, Zurab | |||||||
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Institution |
Univ. L'Aquila - Via Vetoio - L'Aquila - AQ - Italy | |||||||
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Session |
DM2 |
Accepted |
Yes |
Order |
4 |
Time |
15:25 | 20' |
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Talk |
Oral abstract |
Title |
Mirror Matter | |||||
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Abstract |
Dark matter can be constituted by the baryons of mirror world, parallel hidden sector which has the same (or similar) microphysics as the observable world. We discuss a mechanism based on the B-L and CP violating out-of-equilibrium particle processes between ordinary and mirror sectors that could simultaneoulsy generate baryon asymmetries in both worlds, in comparable amounts, within the range $\Omega'_B/\Omega_B \sim 1-10$, and thus naturally explain the conspiracy between the baryonic and dark matter fractions in the Universe. Particle interactions between two sectors can be also relevant for a direct detection of dark matter and in addition could induce interesting processes of the ordinary particle oscillations in their mirror partners. Cosmological implications are also discussed. |
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