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arXiv 1405.6567hep-ph
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强子结构的唯象学-为什么低能物理很重要

Phenomenology of hadron structure --- why low energy physics matters

A. Courtoy

摘要:

对强子内部结构的描述是QCD的主要目标之一。在中等能量尺度下,强子表象继承了部分子描述,使得散射过程和强子结构的动力学描述具有挑战性。强子结构的信息体现在长距离贡献中,这种贡献被定义为部分子分布函数(PDF)。PDF是连接低能量和高能量区域的关键框架,因为关于非微扰QCD的知识在高能级具有重要的结果。在这里,我们回顾了最近的进展,质子的描述,从互补的方法,如适合的PDF,唯象分析和实验预测的JeffersonLab升级和应用的高能对撞机。

英文摘要:

The description of the internal structure of hadrons is one of the main goal of QCD. At moderate energy scales, the hadronic representation succeeds to the partonic description, rendering challenging the description of the dynamics of scattering processes and hadronic structure. The information on the hadron structure is embodied in the long distance contributions which are defined as Parton Distribution Functions (PDFs). PDFs are a key framework for connecting the low and high-energy regimes, in that the knowledge on non- perturbative QCD carries important consequences at the high-energy level. We here review recent progress in the description of the proton, from complementary approaches such as fits of PDFs, phenomenological analyses and experimental predictions in view of the JeffersonLab upgrade and applications for high-energy colliders.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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