Measurement E209M42
| 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 — 1.0 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
|
|
| W, [GeV] | P0y′ | uncertainty | syst. uncert. |
|---|---|---|---|
| 1.64 | 0.0144 | 0.046 | 0.0173 |
| 1.72 | -0.1414 | 0.0276 | 0.0174 |
| 1.8 | -0.186 | 0.0262 | 0.0174 |
| 1.88 | -0.107 | 0.0296 | 0.0173 |
| 1.96 | 0.0586 | 0.0385 | 0.0173 |
| 2.04 | -0.0943 | 0.0508 | 0.0173 |
| 2.12 | 0.0392 | 0.0698 | 0.0173 |
| 2.2 | 0.1473 | 0.0911 | 0.0174 |
| 2.28 | -0.0285 | 0.1329 | 0.0173 |
| 2.36 | 0.4503 | 0.1841 | 0.0181 |
Measurement comment: