Measurement E209M11
| 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 | -0.4605 | 0.0156 | 0.0124 |
| 0.55 | -0.4333 | 0.0126 | 0.012 |
| 0.65 | -0.3924 | 0.0133 | 0.0062 |
| 0.75 | -0.4135 | 0.0141 | 0.0084 |
| 0.85 | -0.3722 | 0.0152 | 0.0054 |
| 0.95 | -0.347 | 0.0163 | 0.0074 |
| 1.05 | -0.3483 | 0.0177 | 0.0075 |
| 1.15 | -0.3424 | 0.0188 | 0.0125 |
| 1.25 | -0.3614 | 0.0202 | 0.0164 |
| 1.35 | -0.3146 | 0.0215 | 0.02 |
| 1.45 | -0.3515 | 0.0241 | 0.0085 |
| 1.6 | -0.3559 | 0.018 | 0.0087 |
| 1.8 | -0.3079 | 0.0211 | 0.007 |
| 2.0 | -0.2866 | 0.0256 | 0.012 |
| 2.2 | -0.2331 | 0.0304 | 0.0059 |
| 2.4 | -0.2493 | 0.0348 | 0.0146 |
| 2.65 | -0.3029 | 0.0339 | 0.0312 |
| 2.95 | -0.2749 | 0.0418 | 0.0251 |
| 3.3 | -0.2874 | 0.0453 | 0.0088 |
| 4.0 | -0.2437 | 0.0434 | 0.017 |