Measurement E195M31
| Experiment: | CLAS12 RG-K | |
|---|---|---|
| Year: | 2022 | |
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Σ0 | |
| Polarization: | final | |
| Quantity: | P′z′ | |
| 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′z′ | uncertainty | syst. uncert. |
|---|---|---|---|
| -0.96 | -0.99807 | 0.45149 | 0.1026 |
| -0.88 | 0.19738 | 0.12672 | 0.07999 |
| -0.8 | -0.06328 | 0.10883 | 0.07832 |
| -0.72 | -0.50202 | 0.10665 | 0.07803 |
| -0.64 | -0.14348 | 0.10155 | 0.07156 |
| -0.56 | -0.34688 | 0.0999 | 0.06939 |
| -0.48 | -0.27732 | 0.09613 | 0.06494 |
| -0.4 | -0.10561 | 0.09324 | 0.06094 |
| -0.32 | -0.15601 | 0.0905 | 0.05746 |
| -0.24 | -0.23324 | 0.08599 | 0.05464 |
| -0.16 | -0.07639 | 0.08409 | 0.05367 |
| -0.08 | -0.06584 | 0.08205 | 0.05407 |
| 0.0 | 0.14391 | 0.08006 | 0.05391 |
| 0.08 | 0.0383 | 0.07748 | 0.05223 |
| 0.16 | 0.06177 | 0.07674 | 0.05132 |
| 0.24 | -0.3297 | 0.07516 | 0.04816 |
| 0.32 | -0.14006 | 0.07302 | 0.0435 |
| 0.4 | -0.25397 | 0.07107 | 0.03945 |
| 0.48 | -0.2094 | 0.07029 | 0.03651 |
| 0.56 | -0.41222 | 0.06994 | 0.03488 |
| 0.64 | -0.07062 | 0.07057 | 0.03528 |
| 0.72 | -0.39691 | 0.07358 | 0.03911 |
| 0.8 | -0.37019 | 0.08206 | 0.04434 |
| 0.88 | -0.62603 | 0.10868 | 0.05804 |
| 0.96 | -0.29846 | 0.17653 | 0.08008 |
Measurement comment:
Coordinate system:
(x′,y′,z′), z′ along K+, y′ normal to hadronic plane, x′=y′ x z′