CLAS Physics Database

Measurement E209M29

Experiment: CLAS12 RG-K K+Y recoil polarization
Year: 2025

Measurement comment:

cos(θKc.m.) bin: [-1.0: -0.5]
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Λ
Polarization: final
Quantity: P0y′
Q2: 0.9 — 3.5 GeV2
W: 1.625 — 2.4 GeV
Ebeam: 6.535 GeV
Publication:
D. S. Carman et al. (CLAS Collaboration) Recoil Polarization in K+Y Electroproduction in the Nucleon Resonance Region with CLAS12 // https://arxiv.org/abs/2505.12030

Measurement data
W, [GeV] P0y′ uncertainty syst. uncert.
1.64 -0.1931 0.0582 0.0174
1.72 -0.4087 0.034 0.018
1.8 -0.4192 0.0345 0.018
1.88 -0.4144 0.0331 0.018
1.96 -0.0532 0.0377 0.0173
2.04 0.1101 0.0526 0.0173
2.12 0.2613 0.0877 0.0176
2.2 0.4616 0.1385 0.0182
2.28 0.4835 0.1426 0.0182
2.36 0.3841 0.1577 0.0179