期刊
PHYSICAL REVIEW D
卷 100, 期 11, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.100.114024
关键词
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资金
- U.S. National Science Foundation [PHY-1719914]
- National Natural Science Foundation of China [11965020]
In an earlier publication, we introduced the software package Error PDF Updating Method Package (ePump) that can be used to update or optimize a set of parton distribution functions (PDFs), including the best-fit PDF set and Hessian eigenvector pairs of PDF sets (i.e., error PDFs), and to update any other set of observables, in the Hessian approach. Here, we validate the ePump program with a detailed comparison against a full global analysis, and we demonstrate the potential of ePump by presenting selected phenomenological applications relevant to the Large Hadron Collider. For example, we use the package to estimate the impact of the recent LHC data of the measurements of W and Z boson and top quark pair differential distributions on the CT14HERA2 PDFs.
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