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"Search for light long-lived neutral particles that decay to collimated pairs of leptons or light hadrons with the ATLAS detector and the full Run-II Data at LHC"
Several possible extensions to the Standard Model (SM) predict the existence of a dark sector that is weakly coupled to the visible one. A widely studied case is one in which the two sectors couple via the vector portal, where a dark photon with a non-negligible lifetime and a mass in the MeV to GeV...
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| Lenguaje: | eng |
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2022
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| Acceso en línea: | http://cds.cern.ch/record/2799910 |