Transverse positron polarization in the polarized <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>μ</mml:mi><mml:mo>+</mml:mo></mml:msup></mml:math> decay related with the muonium-to-antimuonium transition
Physical review. D/Physical review. D.