CLAS Physics Database

Measurement E209M75

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

Measurement comment:

cos(θKc.m.) bin: [0.0: 0.5]
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Σ0
Polarization: final
Quantity: P0y′
Q2: 0.4 — 1.0 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, [GeV] P0y′ uncertainty syst. uncert.
1.72 0.9545 0.6684 0.0724
1.8 0.7532 0.2185 0.0721
1.88 0.3808 0.1467 0.0716
1.96 0.2928 0.1725 0.0716
2.04 0.4745 0.2144 0.0717
2.12 0.4816 0.246 0.0717
2.2 0.8742 0.2808 0.0722
2.28 0.2692 0.2997 0.0716
2.36 0.9515 0.3378 0.0724