CLAS Physics Database

Measurement E209M72

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

Measurement comment:

cos(θKc.m.) bin: [0.5: 1.0]
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Σ0
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.
1.72 -0.4545 0.7225 0.0717
1.8 -0.3503 0.296 0.0716
1.88 0.2826 0.2396 0.0716
1.96 -0.5796 0.3097 0.0718
2.04 -0.3095 0.284 0.0716
2.12 -0.0432 0.3448 0.0715
2.2 -0.7476 0.3408 0.072
2.28 0.4153 0.3044 0.0717
2.36 0.19 0.3068 0.0715