Measurement E195M37
| Experiment: | CLAS12 RG-K | |
|---|---|---|
| Year: | 2022 | |
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Σ0 | |
| Polarization: | final | |
| Quantity: | P′x′ | |
| Q2: | 0.4 — 4.5 GeV2 | |
| W: | 1.6 — 2.4 GeV | |
| Ebeam: | 7.546 GeV | |
| Publication: |
D. S. Carman et al. (CLAS Collaboration) Beam-recoil transferred polarization in K + Y electroproduction in the nucleon resonance region with CLAS12 //
https://journals.aps.org/prc/abstract/10.1103/PhysRevC.105.065201
|
|
| cos(θKc.m.) | P′x′ | uncertainty | syst. uncert. |
|---|---|---|---|
| -0.96 | 0.85356 | 0.66001 | 0.09139 |
| -0.88 | 0.10678 | 0.19511 | 0.07859 |
| -0.8 | 0.11575 | 0.16173 | 0.07087 |
| -0.72 | 0.05392 | 0.16046 | 0.07327 |
| -0.64 | 0.10142 | 0.16301 | 0.07309 |
| -0.56 | 0.33726 | 0.15692 | 0.06828 |
| -0.48 | 0.14504 | 0.14962 | 0.06297 |
| -0.4 | 0.17694 | 0.14586 | 0.05836 |
| -0.32 | -0.07062 | 0.14279 | 0.05777 |
| -0.24 | 0.02686 | 0.14135 | 0.05846 |
| -0.16 | -0.12578 | 0.14092 | 0.05839 |
| -0.08 | -0.1474 | 0.13295 | 0.05609 |
| 0.0 | -0.21126 | 0.1337 | 0.05593 |
| 0.08 | -0.16647 | 0.13436 | 0.05716 |
| 0.16 | -0.30515 | 0.13268 | 0.05493 |
| 0.24 | 0.13866 | 0.13179 | 0.05288 |
| 0.32 | 0.26246 | 0.13177 | 0.05246 |
| 0.4 | 0.29606 | 0.12806 | 0.04822 |
| 0.48 | 0.2225 | 0.1238 | 0.04424 |
| 0.56 | 0.10074 | 0.12184 | 0.04244 |
| 0.64 | 0.06509 | 0.12127 | 0.04265 |
| 0.72 | 0.1864 | 0.12217 | 0.04527 |
| 0.8 | 0.05489 | 0.13391 | 0.05384 |
| 0.88 | -0.17625 | 0.15452 | 0.06548 |
| 0.96 | 0.04737 | 0.21891 | 0.08806 |
Measurement comment:
Coordinate system:
(x′,y′,z′), z′ along K+, y′ normal to hadronic plane, x′=y′ x z′