Proposal to Search for a Dark Photon in Positron on Target Collisions at DA<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mrow><mml:mi mathvariant="normal">Φ</mml:mi></mml:mrow></mml:math>NE Linac
Advances in high energy physics