EPPS16 -将核pdf带入LHC时代

K. Eskola, Petja Paakkinen, H. Paukkunen, C. Salgado
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引用次数: 4

摘要

我们报告了EPPS16,这是第一个包含LHC数据的核部分子分布函数(npdf)的全球分析。这也是第一次允许npdf的完全风味依赖。虽然发现所包含的Z和W数据统计量不足,无法产生严格的约束,但CMS 5.02 TeV质子-铅dijet数据对于确定核胶子修饰的形状至关重要。随着这些和其他可观察到的东西在质子-铅运行中被测量,我们正在经历npdf向LHC精确时代的转变。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
EPPS16 – Bringing nuclear PDFs to the LHC era
We report on EPPS16, the first global analysis of nuclear parton distribution functions (nPDFs) to include LHC data. Also for the first time, a full flavour dependence of nPDFs is allowed. While the included Z and W data are found to have insufficient statistics to yield stringent constraints, the CMS 5.02 TeV proton-lead dijet data prove crucial in setting the shape of nuclear gluon modifications. With these and other observables being measured in proton-lead runs, we are experiencing a shift of nPDFs to the LHC precision era.
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