CLAS Physics Database

Measurement E209M34

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: 0.3 — 0.9 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 -0.2032 0.0332 0.0175
1.72 -0.1162 0.0189 0.0173
1.8 -0.0987 0.0174 0.0173
1.88 -0.1729 0.0181 0.0174
1.96 -0.2178 0.023 0.0175
2.04 -0.2326 0.0314 0.0175
2.12 -0.0443 0.0416 0.0173
2.2 -0.1311 0.0564 0.0174
2.28 0.1481 0.0761 0.0174
2.36 0.2763 0.1102 0.0176