Bibliographic Details
| Title: |
Impact of lattice $s(x)-\bar{s}(x)$ data in the CTEQ-TEA global analysis |
| Authors: |
Hou, Tie-Jiun, Lin, Huey-Wen, Yan, Mengshi, Yuan, C. -P. |
| Publication Year: |
2022 |
| Collection: |
High Energy Physics - Lattice
High Energy Physics - Phenomenology |
| Subject Terms: |
High Energy Physics - Phenomenology, High Energy Physics - Lattice |
| More Details: |
We study the impact of the lattice data on the determination of the strangeness asymmetry distribution $s_-(x) \equiv s(x) - {\bar s}(x)$ in the general CTEQ-TEA global analysis of parton distribution functions (PDFs) of the proton. Firstly, we find that allowing a non-vanishing $s_-(x)$, at the initial $Q_0=1.3$ GeV scale, in a global PDF analysis leads to the quality of the CT18As fit similar to CT18A. Secondly, including the lattice data in the CT18As\_Lat fit greatly reduces the $s_-$-PDF error band size in the large $x$ region. To further reduce its error would require more precise lattice data, extended to smaller $x$ values. |
| Document Type: |
Working Paper |
| Access URL: |
http://arxiv.org/abs/2204.07944 |
| Accession Number: |
edsarx.2204.07944 |
| Database: |
arXiv |
