arXiv 1612.013512016-12-05hep-ph

强子中重夸克分布的物理学：对撞机试验

The Physics of Heavy Quark Distributions in Hadrons: Collider Tests

S. J. Brodsky, V. A. Bednyakov, G. I. Lykasov, J. Smiesko, S. Tokar

备注：: 74 pages, 31 figures. It is submitted and accepted for publishing in the journal "Progress in Particle and Nuclear Physics"
DOI：: 10.1016/j.ppnp.2016.12.001

摘要：

本文综述了核子中重夸克的分布及其对对撞机物理的影响。本文评述了强子波函数中高光锋动量分数的奇异夸克对、粲夸克对和底夸克对--“内禀”夸克的起源。重夸克部分子分布函数（PDF）的确定对于分析LHC能区的硬过程具有重要意义。我们表明，仔细研究伴随着大横动量重喷流的开粲的包容性产生和$γ$/$Z$ / $W$粒子的产生，可以提供关于内禀重夸克（IQ）分布的重要信息.我们还专注于其他观测量的理论预测，这是非常敏感的内在魅力贡献PDF，包括希格斯生产在高xf和新的固定目标的测量，可以在LHC进行测试。

英文摘要：

We present a review of the current understanding of the heavy quark distributions in the nucleon and their impact on collider physics. The origin of strange, charm and bottom quark pairs at high light-front (LF) momentum fractions in hadron wave functions---the "intrinsic" quarks, is reviewed. The determination of heavy-quark parton distribution functions (PDFs) is particularly significant for the analysis of hard processes at LHC energies. We show that a careful study of the inclusive production of open charm and the production of $γ$/$Z$/$W$ particles, accompanied by the heavy jets at large transverse momenta can give essential information on the intrinsic heavy quark (IQ) distributions. We also focus on the theoretical predictions concerning other observables which are very sensitive to the intrinsic charm contribution to PDFs including Higgs production at high xf and novel fixed target measurements which can be tested at the LHC.

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