Measurement E195M25
| Experiment: | CLAS12 RG-K | |
|---|---|---|
| Year: | 2022 | |
| Spokesperson: | Daniel S. Carman | |
| Reaction: | ep → K+ Σ0 | |
| 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 |
|---|---|---|
| -0.96 | 0.37794 | 0.4321 |
| -0.88 | -0.00862 | 0.12175 |
| -0.8 | 0.27178 | 0.10297 |
| -0.72 | 0.14862 | 0.10062 |
| -0.64 | 0.2577 | 0.0958 |
| -0.56 | 0.20138 | 0.09469 |
| -0.48 | 0.19893 | 0.09346 |
| -0.4 | -0.18179 | 0.09065 |
| -0.32 | -0.15543 | 0.08819 |
| -0.24 | 0.17155 | 0.08646 |
| -0.16 | -0.16616 | 0.08444 |
| -0.08 | -0.04079 | 0.08352 |
| 0.0 | 0.17372 | 0.08221 |
| 0.08 | -0.10957 | 0.08102 |
| 0.16 | -0.16493 | 0.08067 |
| 0.24 | 0.04623 | 0.07983 |
| 0.32 | 0.16451 | 0.07808 |
| 0.4 | 0.11345 | 0.07555 |
| 0.48 | 0.14177 | 0.07454 |
| 0.56 | 0.09645 | 0.07474 |
| 0.64 | 0.06632 | 0.07549 |
| 0.72 | 0.09454 | 0.07995 |
| 0.8 | -0.14346 | 0.08894 |
| 0.88 | -0.04804 | 0.11018 |
| 0.96 | 0.02292 | 0.15631 |
Measurement comment:
Coordinate system:
(x′,y′,z′), z′ along K+, y′ normal to hadronic plane, x′=y′ x z′