2024/11/15 by C. Gal, Gal, Ciprian, C. Ghosh +50
Physics and Astronomy · Chemistry · #Nuclear physics research studies #Crystallography and Radiation Phenomena #Advanced NMR Techniques and Applications
paper · pdf · doi:10.48550/arxiv.2411.10267
We propose to measure the beam normal single spin asymmetry in elastic scattering of transversely polarized electron from target nuclei with 12 ≤ Z ≤ 90 at Q2 = 0.0092 GeV2 to study its nuclear dependence. While the theoretical calculations based on two-photon exchange suggest no nuclear dependence at this kinematics, the results of 208Pb from Jefferson Lab show a striking disagreement from both theoretical predictions and light nuclei measurements. The proposed measurements will provide new data for intermediate to heavy nuclei where no data exists for Z ≥ 20 in the kinematics of previous high-energy experiments. It will allow one to investigate the missing contributions that are not accounted in the current theoretical models.