Measurement E195M4
| Experiment: | CLAS12 RG-K | |
|---|---|---|
| Year: | 2022 | |
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Λ | |
| 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 | -0.05571 | 0.07711 | 0.02984 |
| -0.88 | -0.03357 | 0.02473 | 0.02478 |
| -0.8 | -0.05365 | 0.01921 | 0.02141 |
| -0.72 | 0.01448 | 0.01831 | 0.01978 |
| -0.64 | -0.05499 | 0.01853 | 0.01985 |
| -0.56 | 0.00902 | 0.01889 | 0.01985 |
| -0.48 | 0.00073 | 0.01934 | 0.01999 |
| -0.4 | -0.04669 | 0.01942 | 0.02063 |
| -0.32 | -0.02963 | 0.01962 | 0.02099 |
| -0.24 | -0.04091 | 0.01936 | 0.02134 |
| -0.16 | -0.06278 | 0.019 | 0.02097 |
| -0.08 | -0.04141 | 0.01848 | 0.02097 |
| 0.0 | -0.04412 | 0.01797 | 0.02044 |
| 0.08 | -0.02584 | 0.0173 | 0.0192 |
| 0.16 | -0.00765 | 0.01664 | 0.01857 |
| 0.24 | 0.01771 | 0.01604 | 0.01799 |
| 0.32 | -0.00921 | 0.01529 | 0.01695 |
| 0.4 | 0.00718 | 0.01432 | 0.01593 |
| 0.48 | -0.03017 | 0.01346 | 0.01517 |
| 0.56 | 0.01561 | 0.01284 | 0.01492 |
| 0.64 | -0.00047 | 0.01235 | 0.01469 |
| 0.72 | 0.00311 | 0.01216 | 0.01487 |
| 0.8 | 0.00674 | 0.01266 | 0.01494 |
| 0.88 | 0.0457 | 0.0147 | 0.01534 |
| 0.96 | 0.0963 | 0.01904 | 0.01661 |
Measurement comment:
Coordinate system:
(x,y,z), z along virtual photon direction, y normal to electron scattering plane, x=y x z