Measurement E209M22
| Experiment: | CLAS12 RG-K K+Y recoil polarization | |
|---|---|---|
| Year: | 2025 |
|
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Σ0 | |
| 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 | -0.9548 | 0.7054 | 0.0744 |
| -0.88 | -0.9509 | 0.2793 | 0.2307 |
| -0.8 | -0.9527 | 0.22 | 0.1266 |
| -0.72 | -0.8688 | 0.2254 | 0.0861 |
| -0.64 | -0.2789 | 0.2169 | 0.1695 |
| -0.56 | -0.3086 | 0.2027 | 0.1242 |
| -0.48 | 0.1721 | 0.1923 | 0.1243 |
| -0.4 | 0.1106 | 0.1744 | 0.0706 |
| -0.32 | 0.4861 | 0.1578 | 0.0897 |
| -0.24 | -0.0474 | 0.1547 | 0.0835 |
| -0.16 | 0.3036 | 0.1446 | 0.08 |
| -0.08 | 0.2508 | 0.1453 | 0.1451 |
| 0.0 | 0.1892 | 0.1448 | 0.0371 |
| 0.08 | 0.1491 | 0.1491 | 0.1 |
| 0.16 | -0.0243 | 0.1678 | 0.069 |
| 0.24 | 0.3698 | 0.1549 | 0.0658 |
| 0.32 | 0.5586 | 0.1538 | 0.0499 |
| 0.4 | 0.2893 | 0.1594 | 0.0935 |
| 0.48 | 0.1165 | 0.1598 | 0.1158 |
| 0.56 | 0.2695 | 0.16 | 0.1106 |
| 0.64 | 0.4645 | 0.1727 | 0.0613 |
| 0.72 | 0.5653 | 0.1779 | 0.1488 |
| 0.8 | 0.4058 | 0.2168 | 0.083 |
| 0.88 | -0.1774 | 0.3484 | 0.3329 |
| 0.96 | 0.4765 | 0.6264 | 0.6019 |