CLAS Physics Database

Measurement E209M57

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+ Σ0
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.
1.72 0.9555 0.6201 0.0724
1.8 0.2665 0.2446 0.0716
1.88 0.4165 0.1277 0.0717
1.96 0.4168 0.1531 0.0717
2.04 0.6883 0.2065 0.072
2.12 -0.3154 0.1932 0.0716
2.2 -0.5494 0.1747 0.0718
2.28 -0.8314 0.189 0.0722
2.36 -0.9544 0.249 0.0724