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Experiment: CLAS12 RG-K K+Y recoil polarization, 2025
Spokespersons: Daniel S. Carman
Measurement comment: cos(θKc.m.) bin: [0.5: 1.0]
Publication:
Quantity measured: P0y′,
y projection of recoil polarization P0; in (x',y',z') system
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: K+ Σ0, polarization: polarized
Q2 : | 1 — 4.5 GeV2 | |
---|---|---|
W : | 1.625 — 2.4 GeV | |
Ebeam : | 7.546 GeV |
Observable quantity measured (Y axis): P0y′,
Parameter (X axis): W, GeV |
Click here to get data in text file, delimited with tabs.
Measured data:
W,
GeV |
P0y′ | Data errors | Systematic errors |
---|---|---|---|
1.72 | 0.2325 | 0.2153 | 0.0715 |
1.8 | 0.9578 | 0.401 | 0.0724 |
1.88 | 0.9518 | 0.3275 | 0.0724 |
1.96 | 0.9511 | 0.4815 | 0.0724 |
2.04 | 0.4379 | 0.4496 | 0.0717 |
2.12 | 0.4603 | 0.6117 | 0.0717 |
2.2 | 0.9888 | 0.5532 | 0.0725 |
2.28 | 0.9776 | 0.4853 | 0.0724 |
2.36 | 0.9508 | 0.4797 | 0.0724 |