First Limit on the Direct Detection of Lightly Ionizing Particles for Electric Charge as Low as <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>e</mml:mi><mml:mo>/</mml:mo><mml:mn>1000</mml:mn></mml:math> with the Majorana Demonstrator
Physical review letters