Measurement E195M28
| Experiment: | CLAS12 RG-K | |
|---|---|---|
| Year: | 2022 | |
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Σ0 | |
| Polarization: | final | |
| Quantity: | P′x | |
| Q2: | 0.3 — 3.5 GeV2 | |
| W: | 1.6 — 2.4 GeV | |
| Ebeam: | 6.535 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 | 1.0 | 0.44706 | 0.1026 |
| -0.88 | 0.00383 | 0.12458 | 0.07999 |
| -0.8 | -0.02424 | 0.10495 | 0.07832 |
| -0.72 | -0.1018 | 0.10291 | 0.07803 |
| -0.64 | 0.06155 | 0.09788 | 0.07156 |
| -0.56 | 0.25855 | 0.09596 | 0.06939 |
| -0.48 | 0.19933 | 0.09386 | 0.06494 |
| -0.4 | 0.056 | 0.09088 | 0.06094 |
| -0.32 | -0.01394 | 0.0876 | 0.05746 |
| -0.24 | 0.02886 | 0.08495 | 0.05464 |
| -0.16 | 0.0279 | 0.08245 | 0.05367 |
| -0.08 | -0.22557 | 0.08063 | 0.05407 |
| 0.0 | -0.02809 | 0.07923 | 0.05391 |
| 0.08 | 0.03327 | 0.07705 | 0.05223 |
| 0.16 | 0.03891 | 0.07673 | 0.05132 |
| 0.24 | -0.00234 | 0.07491 | 0.04816 |
| 0.32 | 0.10879 | 0.07227 | 0.0435 |
| 0.4 | 0.12306 | 0.07021 | 0.03945 |
| 0.48 | 0.00865 | 0.06914 | 0.03651 |
| 0.56 | 0.11166 | 0.06838 | 0.03488 |
| 0.64 | 0.01469 | 0.0689 | 0.03528 |
| 0.72 | -0.10934 | 0.07159 | 0.03911 |
| 0.8 | 0.18807 | 0.07925 | 0.04434 |
| 0.88 | 0.27519 | 0.10206 | 0.05804 |
| 0.96 | 0.03745 | 0.14243 | 0.08008 |
Measurement comment:
Coordinate system:
(x,y,z), z along virtual photon direction, y normal to electron scattering plane, x=y x z