Measurement E209M10
| 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
|
|
| cos(θKc.m.) | P0y | uncertainty | syst. uncert. |
|---|---|---|---|
| -0.96 | 0.6798 | 0.1504 | 0.0578 |
| -0.88 | 0.3336 | 0.0346 | 0.0714 |
| -0.8 | 0.1891 | 0.0238 | 0.067 |
| -0.72 | 0.1505 | 0.0222 | 0.047 |
| -0.64 | 0.0489 | 0.0221 | 0.0366 |
| -0.56 | -0.0314 | 0.0226 | 0.023 |
| -0.48 | -0.0692 | 0.0231 | 0.0386 |
| -0.4 | -0.0701 | 0.0232 | 0.0182 |
| -0.32 | -0.2254 | 0.024 | 0.0199 |
| -0.24 | -0.2727 | 0.0239 | 0.0156 |
| -0.16 | -0.2645 | 0.0237 | 0.0152 |
| -0.08 | -0.314 | 0.023 | 0.0141 |
| 0.0 | -0.3514 | 0.0225 | 0.0214 |
| 0.08 | -0.3989 | 0.0214 | 0.0128 |
| 0.16 | -0.3855 | 0.0209 | 0.011 |
| 0.24 | -0.3626 | 0.0198 | 0.0132 |
| 0.32 | -0.3406 | 0.0191 | 0.0313 |
| 0.4 | -0.3998 | 0.0174 | 0.0148 |
| 0.48 | -0.4413 | 0.0163 | 0.031 |
| 0.56 | -0.441 | 0.0146 | 0.0224 |
| 0.64 | -0.4578 | 0.0138 | 0.0209 |
| 0.72 | -0.5137 | 0.0128 | 0.0147 |
| 0.8 | -0.5212 | 0.0121 | 0.0292 |
| 0.88 | -0.5335 | 0.0141 | 0.026 |
| 0.96 | -0.5848 | 0.0167 | 0.0178 |