CLAS Physics Database

Measurement E209M54

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

Measurement comment:

cos(θKc.m.) bin: [-0.5: 0.0]
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Λ
Polarization: final
Quantity: P0y
Q2: 1.0 — 4.5 GeV2
W: 1.625 — 2.4 GeV
Ebeam: 7.546 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 P0y uncertainty syst. uncert.
1.64 0.0668 0.0717 0.0173
1.72 0.0738 0.0339 0.0173
1.8 0.0759 0.0334 0.0173
1.88 -0.0027 0.0396 0.0173
1.96 0.0351 0.0569 0.0173
2.04 0.0085 0.0819 0.0173
2.12 0.2095 0.108 0.0175
2.2 -0.0387 0.1493 0.0173
2.28 0.4397 0.2013 0.0181
2.36 0.6737 0.2916 0.0191