在ATLAS的非相对论-QCD中实现次领先阶的$J/\psi$ 成对前向生产

Chinese Physics C Pub Date : 2024-01-04 DOI:10.1088/1674-1137/ad1a98

liping Sun

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引用次数: 0

摘要

我们介绍了在非相对论-QCD（NRQCD）框架内，在${}^{3}S_1^{[1]}$或${}^{1}S_0^{[8]}$的fock态下，$J/\psi$对hadroproduction在次前沿阶（NLO）的完整研究。我们发现${}^{1}S_0^{[8]}$通道在NLO的贡献是至关重要的，而对于ATLAS来说，NRQCD结果可以在一定程度上描述实验数据。

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$J/\psi$ Pair Hadroproduction at Next-to-Leading Order in Nonrelativistic-QCD at ATLAS

We present a complete study on the $J/\psi$ pair hadroproduction at next-to-leading order (NLO) in the nonrelativstic-QCD (NRQCD) framework with the pair of $c\bar{c}$ either in ${}^{3}S_1^{[1]}$ or ${}^{1}S_0^{[8]}$ fock state. We find that the contribution of ${}^{1}S_0^{[8]}$ channel at NLO is essential, and for the ATLAS, the NRQCD results can describe the experimental data to a certain extent.

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Chinese Physics C

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