Publications
Publication Information
| Title | Experimental studies at low $Q^2$ of the spin structure of the nucleon at Jefferson Lab |
| Authors | Alexandre Deur |
| JLAB number | JLAB-PHY-19-2902 |
| LANL number | arXiv:1903.05661 |
| Other number | DOE/OR/23177-4649 |
| Document Type(s) | (Journal Article) |
| Associated with EIC: | No |
| Supported by Jefferson Lab LDRD Funding: | No |
| Funding Source: | Nuclear Physics (NP) |
|
Journal Compiled for PoS CD2018 Page(s) 005 Refereed | |
| Publication Abstract: | We summarize the experimental program of Jefferson Lab that studies the nucleon spin structure at low $Q^2$. This program completes the precise experimental mapping of the nucleon spin structure functions $g_1(\nu, Q^2)$ and $g_2(\nu, Q^2)$ and their moments started at SLAC, CERN and DESY at high $Q^2$, and continued at Jefferson Lab at intermediate $Q^2$. The results presented cover the domain where Chiral Effective Field Theory ($\chi$EFT) should describe the strong interaction. They provide a comprehensive set of benchmark measurements for $\chi$EFT. The preliminary conclusion is that nucleon spin structure data are still challenging for $\chi$EFT in spite of the notable improvements in these calculations. |
| Experiment Numbers: | E93-009 |
| Group: | Hall D |
| Document: | |
| DOI: | https://doi.org/10.22323/1.317.0005 |
| Accepted Manuscript: | CD2018_005.pdf |
| Supporting Documents: | |
| Supporting Datasets: | |