CLAS Physics Database

Measurement E209M79

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: 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, [GeV] P0y′ uncertainty
1.72 0.8382 0.6456
1.8 0.9721 0.2636
1.88 0.9601 0.1898
1.96 0.6872 0.2521
2.04 0.7125 0.4245
2.12 0.2083 0.4782
2.2 0.9661 0.4759
2.28 0.9549 0.561
2.36 0.587 0.7101