Measurement E195M43
| 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 | -0.55438 | 0.67259 |
| -0.88 | 0.17758 | 0.20585 |
| -0.8 | -0.33083 | 0.17073 |
| -0.72 | 0.10823 | 0.17054 |
| -0.64 | -0.43026 | 0.16895 |
| -0.56 | -0.19559 | 0.16036 |
| -0.48 | 0.01569 | 0.15339 |
| -0.4 | -0.39317 | 0.148 |
| -0.32 | -0.20966 | 0.14343 |
| -0.24 | 0.07472 | 0.14311 |
| -0.16 | -0.20177 | 0.13749 |
| -0.08 | -0.01357 | 0.13125 |
| 0.0 | 0.0417 | 0.12886 |
| 0.08 | 0.23498 | 0.12857 |
| 0.16 | -0.07722 | 0.12506 |
| 0.24 | -0.09347 | 0.12396 |
| 0.32 | -0.0071 | 0.12271 |
| 0.4 | 0.07128 | 0.11884 |
| 0.48 | 0.00823 | 0.11611 |
| 0.56 | -0.13807 | 0.11382 |
| 0.64 | -0.00783 | 0.11238 |
| 0.72 | -0.46518 | 0.11215 |
| 0.8 | 0.28275 | 0.12441 |
| 0.88 | -0.07404 | 0.15512 |
| 0.96 | -0.7568 | 0.24294 |
Measurement comment:
Coordinate system:
(x′,y′,z′), z′ along K+, y′ normal to hadronic plane, x′=y′ x z′