Measurement E209M8
| Experiment: | CLAS12 RG-K K+Y recoil polarization | |
|---|---|---|
| Year: | 2025 |
|
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Λ | |
| 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 | -0.3219 | 0.0159 | 0.0155 |
| 0.55 | -0.3707 | 0.0126 | 0.0122 |
| 0.65 | -0.4073 | 0.0133 | 0.0078 |
| 0.75 | -0.437 | 0.0139 | 0.0136 |
| 0.85 | -0.45 | 0.0147 | 0.0119 |
| 0.95 | -0.4941 | 0.0159 | 0.0137 |
| 1.05 | -0.4562 | 0.0171 | 0.0149 |
| 1.15 | -0.4863 | 0.0191 | 0.0265 |
| 1.25 | -0.4707 | 0.0202 | 0.0203 |
| 1.35 | -0.4725 | 0.0208 | 0.0291 |
| 1.45 | -0.4866 | 0.0231 | 0.0152 |
| 1.6 | -0.4733 | 0.0175 | 0.0277 |
| 1.8 | -0.4951 | 0.0208 | 0.017 |
| 2.0 | -0.4517 | 0.0249 | 0.017 |
| 2.2 | -0.5587 | 0.0289 | 0.015 |
| 2.4 | -0.4866 | 0.0336 | 0.0261 |
| 2.65 | -0.4787 | 0.033 | 0.043 |
| 2.95 | -0.4676 | 0.0401 | 0.0293 |
| 3.3 | -0.4717 | 0.0442 | 0.0286 |
| 4.0 | -0.4157 | 0.0426 | 0.0122 |