%0 Journal Article
%T Polarised and Unpolarised Charmonium Production at Higher Orders in v
%A Sourendu Gupta
%A Prakash Mathews
%J Physics
%D 1997
%I arXiv
%R 10.1016/S0920-5632(97)01105-5
%X We study the unpolarised and polarised hadro-production of charmonium in non-relativistic QCD (NRQCD) at low transverse momentum, including sufficiently higher orders in the relative velocity, $v$, so as to study the ratio of $\chi_{c1}$ and $\chi_{c2}$ production rates.
%U http://arxiv.org/abs/hep-ph/9708479v1