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Measurement E195M1
| 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 | -0.17961 | 0.07505 | 0.02984 |
| -0.88 | -0.21424 | 0.0237 | 0.02478 |
| -0.8 | -0.20843 | 0.01819 | 0.02141 |
| -0.72 | -0.24517 | 0.01731 | 0.01978 |
| -0.64 | -0.25049 | 0.0174 | 0.01985 |
| -0.56 | -0.22185 | 0.0177 | 0.01985 |
| -0.48 | -0.21694 | 0.01822 | 0.01999 |
| -0.4 | -0.2121 | 0.01842 | 0.02063 |
| -0.32 | -0.20922 | 0.0186 | 0.02099 |
| -0.24 | -0.23221 | 0.01854 | 0.02134 |
| -0.16 | -0.20996 | 0.01847 | 0.02097 |
| -0.08 | -0.19328 | 0.01815 | 0.02097 |
| 0.0 | -0.2404 | 0.01771 | 0.02044 |
| 0.08 | -0.2217 | 0.01711 | 0.0192 |
| 0.16 | -0.20509 | 0.01665 | 0.01857 |
| 0.24 | -0.19476 | 0.01608 | 0.01799 |
| 0.32 | -0.22291 | 0.01526 | 0.01695 |
| 0.4 | -0.23832 | 0.01426 | 0.01593 |
| 0.48 | -0.23021 | 0.01328 | 0.01517 |
| 0.56 | -0.2433 | 0.01273 | 0.01492 |
| 0.64 | -0.22527 | 0.01228 | 0.01469 |
| 0.72 | -0.23923 | 0.01219 | 0.01487 |
| 0.8 | -0.18987 | 0.01265 | 0.01494 |
| 0.88 | -0.1265 | 0.01451 | 0.01534 |
| 0.96 | -0.05888 | 0.01937 | 0.01661 |
Measurement comment:
Coordinate system:
(x′,y′,z′), z′ along K+, y′ normal to hadronic plane, x′=y′ x z′