Dark photon searches in the photon channel

D. Aristizabal Sierra, A. Betancur, K. Pohl +1

Spectral shape differences between photons produced in ${\pi }^0\to \gamma +\gamma$ and ${\pi }^0\to \gamma +A_D$ may provide a new avenue for dark photon searches. Assuming 70 $\mu$m thick tungsten foils separa…