The complete study on polarization of ${\rm Y}(nS)$ hadroproduction at QCD next-to-leading order

Yu Feng, Bin Gong, Chao-Hsi Chang +1

Applying the nonrelativistic quantum chromodynamics factorization formalism to the ${\rm Y}(1S,2S,3S)$ hadroproduction, a complete analysis on the polarization parameters ${\lambda }_{\theta }$, ${\lambda }_{\theta \varphi }$…