NNLO QCD下低质量Drell-Yan轻子对产生的横向动量分布
高能物理 - 唯象学
2022-04-20 v3 高能物理 - 实验
摘要
低不变质量和有限横向动量下轻子对的产生揭示了微扰与非微扰区域边界处的QCD动力学。我们研究了在对应于BNL RHIC对撞机和固定靶实验的能量下，NNLO QCD修正对这些观测量影响。两种情形下均观察到令人满意的微扰收敛性。仅发现对撞机数据能被微扰QCD很好地描述，从而表明在固定靶能量下轻子对横向动量分布中非微扰效应的重要性。
引用
@article{arxiv.2110.15839,
title = {Transverse momentum distributions in low-mass Drell-Yan lepton pair production at NNLO QCD},
author = {R. Gauld and A. Gehrmann-De Ridder and T. Gehrmann and E. W. N. Glover and A. Huss and I. Majer and A. Rodriguez Garcia},
journal= {arXiv preprint arXiv:2110.15839},
year = {2022}
}
备注
v3: Minor corrections in text and figure captions, updated citations; matches published version in PLB