We examine the current constraints and future sensitivity of coherent elastic neutrino-nucleus scattering (CEνNS) experiments to mixing scenarios involving a Z^' which interacts via portals with the standard model. We contrast the results against those from fixed target, atomic parity violation, and solar neutrino experiments. We demonstrate a significant dependence of the experimental reach on the Z^' coupling nonuniversality and the complementarity of CEνNS to existing searches.
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Abdullah et al. (2018) studied this question.
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