Measurement E195M40
| Experiment: | CLAS12 RG-K | |
|---|---|---|
| Year: | 2022 | |
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Σ0 | |
| 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
|
|
| cos(θKc.m.) | P′x | uncertainty | syst. uncert. |
|---|---|---|---|
| -0.96 | -1.0 | 0.67491 | 0.09139 |
| -0.88 | 0.51112 | 0.20349 | 0.07859 |
| -0.8 | 0.17853 | 0.16582 | 0.07087 |
| -0.72 | 0.11886 | 0.16626 | 0.07327 |
| -0.64 | 0.01441 | 0.16527 | 0.07309 |
| -0.56 | 0.04648 | 0.15939 | 0.06828 |
| -0.48 | 0.14439 | 0.15064 | 0.06297 |
| -0.4 | 0.36568 | 0.14591 | 0.05836 |
| -0.32 | -0.01977 | 0.14177 | 0.05777 |
| -0.24 | 0.22843 | 0.13863 | 0.05846 |
| -0.16 | -0.00592 | 0.1366 | 0.05839 |
| -0.08 | 0.09129 | 0.12971 | 0.05609 |
| 0.0 | -0.13397 | 0.12859 | 0.05593 |
| 0.08 | 0.25043 | 0.1292 | 0.05716 |
| 0.16 | -0.07236 | 0.12617 | 0.05493 |
| 0.24 | -0.16616 | 0.12356 | 0.05288 |
| 0.32 | 0.13516 | 0.12372 | 0.05246 |
| 0.4 | -0.01143 | 0.11909 | 0.04822 |
| 0.48 | -0.18373 | 0.11567 | 0.04424 |
| 0.56 | 0.0644 | 0.1114 | 0.04244 |
| 0.64 | 0.03494 | 0.11142 | 0.04265 |
| 0.72 | 0.10361 | 0.11146 | 0.04527 |
| 0.8 | -0.06787 | 0.12048 | 0.05384 |
| 0.88 | 0.34747 | 0.14264 | 0.06548 |
| 0.96 | 0.29938 | 0.199 | 0.08806 |
Measurement comment:
Coordinate system:
(x,y,z), z along virtual photon direction, y normal to electron scattering plane, x=y x z