Measurement E209M21
| 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
|
|
| W, [GeV] | P0y′ | uncertainty | syst. uncert. |
|---|---|---|---|
| 1.74 | -0.9515 | 0.4513 | 0.1572 |
| 1.76 | 0.0079 | 0.2276 | 0.1143 |
| 1.79 | 0.2809 | 0.1876 | 0.1318 |
| 1.81 | 0.3067 | 0.1526 | 0.1257 |
| 1.84 | 0.2238 | 0.1344 | 0.1501 |
| 1.86 | 0.5893 | 0.1192 | 0.1381 |
| 1.89 | 0.5651 | 0.114 | 0.0667 |
| 1.91 | 0.3573 | 0.1192 | 0.058 |
| 1.94 | 0.3889 | 0.1305 | 0.0732 |
| 1.96 | 0.6157 | 0.1438 | 0.0615 |
| 1.99 | 0.3955 | 0.1595 | 0.1514 |
| 2.01 | 0.2095 | 0.1826 | 0.2202 |
| 2.04 | 0.0063 | 0.1938 | 0.0727 |
| 2.06 | 0.5063 | 0.2074 | 0.114 |
| 2.09 | 0.3497 | 0.221 | 0.1392 |
| 2.11 | 0.3127 | 0.2242 | 0.1064 |
| 2.14 | -0.2597 | 0.2481 | 0.0954 |
| 2.16 | 0.2384 | 0.2333 | 0.0974 |
| 2.19 | 0.8726 | 0.2266 | 0.1527 |
| 2.21 | 0.0503 | 0.2423 | 0.129 |
| 2.24 | 0.2551 | 0.2379 | 0.0675 |
| 2.26 | 0.2824 | 0.2377 | 0.0531 |
| 2.29 | 0.0152 | 0.245 | 0.1421 |
| 2.31 | -0.02 | 0.2587 | 0.0817 |
| 2.34 | 0.0254 | 0.2642 | 0.0473 |
| 2.36 | -0.0655 | 0.2562 | 0.0897 |
| 2.39 | 0.1036 | 0.2783 | 0.2156 |