Measurement E195M14
| Experiment: | CLAS12 RG-K | |
|---|---|---|
| Year: | 2022 | |
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Λ | |
| 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
|
|
| Q2, [GeV2] | P′x′ | uncertainty | syst. uncert. |
|---|---|---|---|
| 0.45 | -0.14205 | 0.01864 | 0.02432 |
| 0.55 | -0.15302 | 0.01466 | 0.01994 |
| 0.65 | -0.15023 | 0.01541 | 0.01925 |
| 0.75 | -0.16816 | 0.0165 | 0.01871 |
| 0.85 | -0.18505 | 0.01756 | 0.01858 |
| 0.95 | -0.14343 | 0.01885 | 0.0179 |
| 1.05 | -0.17557 | 0.02026 | 0.01734 |
| 1.15 | -0.12835 | 0.02229 | 0.01777 |
| 1.25 | -0.19598 | 0.02414 | 0.01845 |
| 1.35 | -0.17769 | 0.02576 | 0.0171 |
| 1.45 | -0.16779 | 0.02781 | 0.01678 |
| 1.6 | -0.16989 | 0.02183 | 0.01666 |
| 1.8 | -0.23383 | 0.02573 | 0.01707 |
| 2.0 | -0.32056 | 0.02957 | 0.01651 |
| 2.2 | -0.27482 | 0.03551 | 0.01649 |
| 2.4 | -0.26728 | 0.0406 | 0.01648 |
| 2.65 | -0.32868 | 0.03979 | 0.01671 |
| 2.95 | -0.21489 | 0.04893 | 0.01637 |
| 3.3 | -0.37408 | 0.05356 | 0.01679 |
| 4.0 | -0.20904 | 0.05078 | 0.01666 |
Measurement comment:
Coordinate system:
(x′,y′,z′), z′ along K+, y′ normal to hadronic plane, x′=y′ x z′