Measurement E195M46
| Experiment: | CLAS12 RG-K | |
|---|---|---|
| Year: | 2022 | |
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Σ0 | |
| 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
|
|
| cos(θKc.m.) | P′z | uncertainty |
|---|---|---|
| -0.96 | 0.21821 | 0.67833 |
| -0.88 | -0.17305 | 0.20685 |
| -0.8 | 0.14231 | 0.17094 |
| -0.72 | -0.17572 | 0.17061 |
| -0.64 | 0.08413 | 0.17031 |
| -0.56 | -0.06617 | 0.16256 |
| -0.48 | -0.07289 | 0.15534 |
| -0.4 | 0.08873 | 0.15091 |
| -0.32 | 0.14551 | 0.14631 |
| -0.24 | -0.11425 | 0.14389 |
| -0.16 | 0.17688 | 0.14229 |
| -0.08 | 0.13443 | 0.13381 |
| 0.0 | 0.20238 | 0.13384 |
| 0.08 | 0.19826 | 0.13293 |
| 0.16 | 0.22376 | 0.13132 |
| 0.24 | -0.14322 | 0.12922 |
| 0.32 | -0.27764 | 0.12884 |
| 0.4 | -0.25003 | 0.12483 |
| 0.48 | -0.18885 | 0.12007 |
| 0.56 | -0.2026 | 0.11887 |
| 0.64 | -0.07197 | 0.11745 |
| 0.72 | -0.45589 | 0.11796 |
| 0.8 | 0.20167 | 0.13223 |
| 0.88 | -0.02664 | 0.16563 |
| 0.96 | -0.90669 | 0.25302 |
Measurement comment:
Coordinate system:
(x,y,z), z along virtual photon direction, y normal to electron scattering plane, x=y x z