Measurement E209M9
| 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
|
|
| W, [GeV] | P0y′ | uncertainty | syst. uncert. |
|---|---|---|---|
| 1.64 | -0.4012 | 0.044 | 0.0263 |
| 1.66 | -0.3051 | 0.0273 | 0.0222 |
| 1.69 | -0.4477 | 0.0214 | 0.0194 |
| 1.71 | -0.4591 | 0.0174 | 0.0172 |
| 1.74 | -0.4799 | 0.0167 | 0.012 |
| 1.76 | -0.5377 | 0.0166 | 0.0256 |
| 1.79 | -0.5303 | 0.0169 | 0.013 |
| 1.81 | -0.5658 | 0.0176 | 0.0088 |
| 1.84 | -0.552 | 0.0178 | 0.0137 |
| 1.86 | -0.5249 | 0.0184 | 0.0167 |
| 1.89 | -0.4983 | 0.019 | 0.0094 |
| 1.91 | -0.49 | 0.0202 | 0.0082 |
| 1.94 | -0.4537 | 0.0213 | 0.0156 |
| 1.96 | -0.4063 | 0.0229 | 0.0118 |
| 1.99 | -0.4441 | 0.0233 | 0.0116 |
| 2.01 | -0.4935 | 0.0246 | 0.018 |
| 2.04 | -0.5067 | 0.0253 | 0.0176 |
| 2.06 | -0.4867 | 0.0269 | 0.0102 |
| 2.09 | -0.4931 | 0.0274 | 0.0101 |
| 2.11 | -0.4911 | 0.0288 | 0.0197 |
| 2.14 | -0.454 | 0.0298 | 0.0105 |
| 2.16 | -0.4348 | 0.031 | 0.0096 |
| 2.19 | -0.4729 | 0.0314 | 0.0109 |
| 2.21 | -0.4612 | 0.0324 | 0.0126 |
| 2.24 | -0.4248 | 0.0342 | 0.0088 |
| 2.26 | -0.3861 | 0.0351 | 0.0118 |
| 2.29 | -0.3147 | 0.0361 | 0.01 |
| 2.31 | -0.3077 | 0.0379 | 0.0202 |
| 2.34 | -0.3014 | 0.0393 | 0.0103 |
| 2.36 | -0.3763 | 0.0398 | 0.0168 |
| 2.39 | -0.3395 | 0.0406 | 0.0146 |