Measurement E209M2
| Experiment: | CLAS12 RG-K K+Y recoil polarization | |
|---|---|---|
| Year: | 2025 |
|
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Λ | |
| Polarization: | final | |
| Quantity: | P0y′ | |
| Q2: | 0.3 — 3.5 GeV2 | |
| W: | 1.625 — 2.4 GeV | |
| Ebeam: | 6.535 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. |
|---|---|---|---|
| 0.35 | -0.3255 | 0.0089 | 0.0155 |
| 0.45 | -0.427 | 0.0086 | 0.0125 |
| 0.55 | -0.4301 | 0.0092 | 0.008 |
| 0.65 | -0.3712 | 0.0102 | 0.0133 |
| 0.75 | -0.4243 | 0.0109 | 0.0118 |
| 0.85 | -0.4427 | 0.0117 | 0.0134 |
| 0.95 | -0.4441 | 0.0128 | 0.0149 |
| 1.05 | -0.4989 | 0.0137 | 0.0266 |
| 1.15 | -0.487 | 0.0148 | 0.0204 |
| 1.25 | -0.4889 | 0.0163 | 0.0291 |
| 1.35 | -0.4698 | 0.0174 | 0.0151 |
| 1.45 | -0.4574 | 0.0191 | 0.0276 |
| 1.6 | -0.4644 | 0.0153 | 0.0169 |
| 1.8 | -0.4625 | 0.0183 | 0.0171 |
| 2.0 | -0.5197 | 0.0214 | 0.0148 |
| 2.2 | -0.4955 | 0.0252 | 0.0262 |
| 2.4 | -0.4885 | 0.0295 | 0.043 |
| 2.65 | -0.4342 | 0.0286 | 0.0292 |
| 2.95 | -0.3934 | 0.0347 | 0.0284 |
| 3.3 | -0.4073 | 0.0386 | 0.0122 |