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Spin correlations in polarizations of P-wave charmonia and impact on polarization
Hua-Sheng Shao, Kuang-Ta Chao
Based on a general form of the effective vertex functions for the decays of P-wave charmonia $\chicj$, angular distribution formulas for the subsequent decays $\chicj\rightarrow \j…
QCD and Relativistic Corrections to Hadronic Decays of Spin-Singlet Heavy Quarkonia and
Jin-Zhao Li, Yan-Qing Ma, Kuang-Ta Chao
We calculate the annihilation decay widths of spin-singlet heavy quarkonia and } into light hadrons with both QCD and relativistic corrections at order $O(α_{s}v^{2…
prompt production at the Tevatron and LHC in nonrelativistic QCD
Kai Wang, Yan-Qing Ma, Kuang-Ta Chao
With nonrelativistic QCD factorization, we calculate the prompt production at hadron colliders at next-to-leading order in . In addition to the color-singlet contribut…
Search for from Higher Charmonim E1 Transitions and X,Y,Z States
Bai-Qing Li, Ce Meng, Kuang-Ta Chao
We calculate the E1 transition widths of higher vector charmonium states into the spin-triplet 2P states in three typical potential models, and discuss the possibility to detect th…
J/psi polarization at hadron colliders in nonrelativistic QCD
Kuang-Ta Chao, Yan-Qing Ma, Hua-Sheng Shao +2
With nonrelativistic QCD factorization, we present a full next-to-leading order computation of the polarization observable for production at hadron colliders including all…