CLAS Physics Database

Measurement E209M78

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+ 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 -0.2723 0.9375
1.8 0.9546 0.2831
1.88 0.9592 0.1795
1.96 0.9896 0.222
2.04 0.4525 0.3875
2.12 0.4065 0.6579
2.2 0.4798 0.7519
2.28 0.9822 0.7509
2.36 -0.9521 0.9172