Polarizations of J/ψand ψ' in hadroproduction at Tevatron in the k_t factorization approach

Feng Yuan, Kuang-Ta Chao

We present a calculation for the polarizations of $J/\psi$ and ${\psi }^{\prime }$ produced in the hadron collisions at the Fermilab Tevatron. Various color octet channels including ${}^1{S}_0^{(8)}$,…