Hard diffractive <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>η</mml:mi><mml:mrow><mml:mi mathvariant="normal">c</mml:mi><mml:mo>,</mml:mo><mml:mi mathvariant="normal">b</mml:mi></mml:mrow></mml:msub></mml:math> hadroproduction at the LHC
Physical review. D/Physical review. D.