# $χ {cJ}$ production associated with a $car c$ pair at hadron colliders

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$\chi {cJ}$ (J=0,1,2) production associated with a charm quark pair in hadron collisions is calculated in the framework of nonrelativistic QCD at the Tevatron and LHC. It is found that the color-singlet contribution is small and the color-octet contribution may be dominant in the large $p T$ region. The differential cross section of \$p\bar p\to\chi

Author: Dan Li; Yan-Qing Ma; Kuang-Ta Chao

Source: https://archive.org/