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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2411.10267 |
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| _version_ | 1866916482545352704 |
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| author | Gal, Ciprian Ghosh, Chandan Park, Sanghwa Adhikari, Devi Armstrong, David Beminiwattha, Rakitha Camsonne, Alexandre Chandrasena, Shashini Dalton, Mark Deshpande, Abhay Gaskell, Dave Higinbotham, Douglas Horowitz, Charles J. King, Paul Kumar, Krishna Kutz, Tyler Mammei, Juliette McNulty, Dustin Michaels, Robert Palatchi, Caryn Panta, Anil Paschke, Kent Pitt, Mark Sen, Arindam Simicevic, Neven Weliyanga, Lasitha Wells, Steven P. |
| author_facet | Gal, Ciprian Ghosh, Chandan Park, Sanghwa Adhikari, Devi Armstrong, David Beminiwattha, Rakitha Camsonne, Alexandre Chandrasena, Shashini Dalton, Mark Deshpande, Abhay Gaskell, Dave Higinbotham, Douglas Horowitz, Charles J. King, Paul Kumar, Krishna Kutz, Tyler Mammei, Juliette McNulty, Dustin Michaels, Robert Palatchi, Caryn Panta, Anil Paschke, Kent Pitt, Mark Sen, Arindam Simicevic, Neven Weliyanga, Lasitha Wells, Steven P. |
| contents | We propose to measure the beam normal single spin asymmetry in elastic scattering of transversely polarized electron from target nuclei with 12 $\leq Z \leq$ 90 at Q$^2$ = 0.0092 GeV$^2$ 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 $Z \geq$ 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_10267 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Nuclear Dependence of Beam Normal Single Spin Asymmetry in Elastic Scattering from Nuclei Gal, Ciprian Ghosh, Chandan Park, Sanghwa Adhikari, Devi Armstrong, David Beminiwattha, Rakitha Camsonne, Alexandre Chandrasena, Shashini Dalton, Mark Deshpande, Abhay Gaskell, Dave Higinbotham, Douglas Horowitz, Charles J. King, Paul Kumar, Krishna Kutz, Tyler Mammei, Juliette McNulty, Dustin Michaels, Robert Palatchi, Caryn Panta, Anil Paschke, Kent Pitt, Mark Sen, Arindam Simicevic, Neven Weliyanga, Lasitha Wells, Steven P. Nuclear Experiment We propose to measure the beam normal single spin asymmetry in elastic scattering of transversely polarized electron from target nuclei with 12 $\leq Z \leq$ 90 at Q$^2$ = 0.0092 GeV$^2$ 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 $Z \geq$ 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. |
| title | Nuclear Dependence of Beam Normal Single Spin Asymmetry in Elastic Scattering from Nuclei |
| topic | Nuclear Experiment |
| url | https://arxiv.org/abs/2411.10267 |