Measurement E209M23
| 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 | 0.3395 | 0.0745 | 0.0721 |
| 0.55 | 0.3133 | 0.0692 | 0.0868 |
| 0.65 | 0.326 | 0.0837 | 0.086 |
| 0.75 | 0.2305 | 0.0971 | 0.065 |
| 0.85 | 0.2083 | 0.1114 | 0.1104 |
| 0.95 | 0.3274 | 0.1356 | 0.0763 |
| 1.05 | 0.2956 | 0.1543 | 0.1207 |
| 1.15 | -0.197 | 0.1756 | 0.1499 |
| 1.25 | 0.1429 | 0.1934 | 0.0529 |
| 1.35 | 0.1979 | 0.2187 | 0.1751 |
| 1.45 | -0.5068 | 0.3055 | 0.237 |
| 1.6 | -0.0268 | 0.2062 | 0.2919 |
| 1.8 | 0.4833 | 0.2492 | 0.1886 |
| 2.0 | -0.0299 | 0.3282 | 0.1948 |
| 2.2 | 0.0507 | 0.3891 | 0.1792 |
| 2.4 | 0.3848 | 0.4409 | 0.2356 |
| 2.65 | -0.1225 | 0.4283 | 0.3328 |
| 2.95 | -0.8123 | 0.5736 | 0.1677 |
| 3.3 | -0.2327 | 0.6138 | 0.3832 |
| 4.0 | -0.4763 | 0.6232 | 0.6181 |