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NA64 Status Report 2019
The status of the NA64 experiment aiming at a search for a sub-GeV vector mediator ($A'$) of dark matter ($\chi$) production is presented. New results from the analysis of the combined 2016-2018 data sample on the $A' \to \chi \chi$ decay search are reported. The results on the search...
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2019
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| Acceso en línea: | http://cds.cern.ch/record/2677228 |