Measurement E209M20
| Experiment: | CLAS12 RG-K K+Y recoil polarization | |
|---|---|---|
| Year: | 2025 |
|
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Σ0 | |
| Polarization: | final | |
| Quantity: | P0y′ | |
| Q2: | 0.4 — 4.5 GeV2 | |
| W: | 1.625 — 2.4 GeV | |
| Ebeam: | 7.546 GeV | |
| Publication: |
D. S. Carman et al. (CLAS Collaboration) Recoil Polarization in K+Y Electroproduction in the Nucleon Resonance Region with CLAS12 //
https://arxiv.org/abs/2505.12030
|
|
| Q2, [GeV2] | P0y′ | uncertainty | syst. uncert. |
|---|---|---|---|
| 0.45 | 0.2119 | 0.0795 | 0.0898 |
| 0.55 | 0.1073 | 0.0718 | 0.0501 |
| 0.65 | 0.0079 | 0.0866 | 0.0584 |
| 0.75 | -0.2625 | 0.0982 | 0.0939 |
| 0.85 | -0.2156 | 0.1117 | 0.1742 |
| 0.95 | -0.4167 | 0.1352 | 0.1026 |
| 1.05 | -0.3962 | 0.1531 | 0.1444 |
| 1.15 | -0.0838 | 0.1727 | 0.1808 |
| 1.25 | -0.4696 | 0.1881 | 0.0757 |
| 1.35 | -0.16 | 0.2099 | 0.1315 |
| 1.45 | -0.1879 | 0.2494 | 0.097 |
| 1.6 | -0.0124 | 0.1997 | 0.1171 |
| 1.8 | -0.2853 | 0.2461 | 0.1882 |
| 2.0 | 0.4643 | 0.3168 | 0.1297 |
| 2.2 | -0.2809 | 0.378 | 0.0284 |
| 2.4 | 1.0781 | 0.4271 | 0.0261 |
| 2.65 | 0.2756 | 0.4163 | 0.0814 |
| 2.95 | 0.7643 | 0.5367 | 0.0245 |
| 3.3 | 0.9539 | 0.5739 | 0.2701 |
| 4.0 | 0.5014 | 0.6009 | 0.2472 |