Measurement E195M23
| Experiment: | CLAS12 RG-K | |
|---|---|---|
| Year: | 2022 | |
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Λ | |
| Polarization: | final | |
| Quantity: | P′z | |
| 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′z | uncertainty | syst. uncert. |
|---|---|---|---|
| 0.45 | 0.18822 | 0.01893 | 0.02432 |
| 0.55 | 0.18141 | 0.01481 | 0.01994 |
| 0.65 | 0.17584 | 0.01562 | 0.01925 |
| 0.75 | 0.19888 | 0.01667 | 0.01871 |
| 0.85 | 0.20743 | 0.01766 | 0.01858 |
| 0.95 | 0.21522 | 0.01891 | 0.0179 |
| 1.05 | 0.21982 | 0.02038 | 0.01734 |
| 1.15 | 0.19359 | 0.02228 | 0.01777 |
| 1.25 | 0.266 | 0.02416 | 0.01845 |
| 1.35 | 0.22496 | 0.02576 | 0.0171 |
| 1.45 | 0.21149 | 0.02774 | 0.01678 |
| 1.6 | 0.2229 | 0.0218 | 0.01666 |
| 1.8 | 0.34587 | 0.02568 | 0.01707 |
| 2.0 | 0.37713 | 0.02958 | 0.01651 |
| 2.2 | 0.3124 | 0.03494 | 0.01649 |
| 2.4 | 0.34143 | 0.04021 | 0.01648 |
| 2.65 | 0.48225 | 0.03929 | 0.01671 |
| 2.95 | 0.28254 | 0.04836 | 0.01637 |
| 3.3 | 0.55017 | 0.05252 | 0.01679 |
| 4.0 | 0.46724 | 0.04909 | 0.01666 |
Measurement comment:
Coordinate system:
(x,y,z), z along virtual photon direction, y normal to electron scattering plane, x=y x z