Inclusive production of heavy quarkonium <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>η</mml:mi><mml:mi>Q</mml:mi></mml:msub></mml:math> via <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Z</mml:mi></mml:math> boson decays within the framework of nonrelativistic QCD
Physical review. D/Physical review. D.