Measurement E209M3
| Experiment: | CLAS12 RG-K K+Y recoil polarization | |
|---|---|---|
| Year: | 2025 |
|
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Λ | |
| Polarization: | final | |
| Quantity: | P0y′ | |
| Q2: | 0.3 — 3.5 GeV2 | |
| W: | 1.625 — 2.4 GeV | |
| Ebeam: | 6.535 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 | -0.2939 | 0.0327 | 0.0261 |
| 1.66 | -0.3101 | 0.02 | 0.0222 |
| 1.69 | -0.3924 | 0.0149 | 0.0192 |
| 1.71 | -0.3997 | 0.0147 | 0.017 |
| 1.74 | -0.4575 | 0.0111 | 0.0119 |
| 1.76 | -0.4879 | 0.0107 | 0.0255 |
| 1.79 | -0.5111 | 0.0114 | 0.0129 |
| 1.81 | -0.5023 | 0.0123 | 0.0083 |
| 1.84 | -0.4925 | 0.0123 | 0.0134 |
| 1.86 | -0.4723 | 0.0132 | 0.0165 |
| 1.89 | -0.425 | 0.0132 | 0.0088 |
| 1.91 | -0.4506 | 0.0136 | 0.0078 |
| 1.94 | -0.3912 | 0.0146 | 0.0154 |
| 1.96 | -0.3824 | 0.0149 | 0.0117 |
| 1.99 | -0.3821 | 0.0155 | 0.0113 |
| 2.01 | -0.4113 | 0.0165 | 0.0177 |
| 2.04 | -0.4105 | 0.0174 | 0.0172 |
| 2.06 | -0.4286 | 0.0182 | 0.0098 |
| 2.09 | -0.4577 | 0.0187 | 0.0099 |
| 2.11 | -0.4273 | 0.0194 | 0.0195 |
| 2.14 | -0.4187 | 0.0204 | 0.0102 |
| 2.16 | -0.3947 | 0.0213 | 0.0093 |
| 2.19 | -0.4141 | 0.0216 | 0.0106 |
| 2.21 | -0.3752 | 0.0223 | 0.0122 |
| 2.24 | -0.3004 | 0.0238 | 0.008 |
| 2.26 | -0.3418 | 0.0242 | 0.0116 |
| 2.29 | -0.2846 | 0.0253 | 0.0099 |
| 2.31 | -0.2864 | 0.0265 | 0.0201 |
| 2.34 | -0.2392 | 0.0273 | 0.0101 |
| 2.36 | -0.2798 | 0.0282 | 0.0165 |
| 2.39 | -0.3025 | 0.0295 | 0.0144 |