2015/11/06 by Brown, David Norvil
#FOS: Physical sciences #High Energy Physics - Experiment (hep-ex)
paper · doi:10.48550/arxiv.1511.02224
We present the results of a search for a dark photon decaying to e+e- or μ+μ- in the \babar detector. We find no evidence for such a dark photon and set upper limits on the dark mixing as a function mass, tightening the constraints on the parameter space of several dark sector theories.