Measurement of singly Cabibbo-suppressed decays <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>D</mml:mi><mml:mo>→</mml:mo><mml:mi>ω</mml:mi><mml:mi>π</mml:mi><mml:mi>π</mml:mi></mml:math>
Physical review. D/Physical review. D.