CLAS Physics Database

Measurement E209M45

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+ Λ
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
1.64 -0.3687 0.0918
1.72 -0.3902 0.0407
1.8 -0.533 0.0471
1.88 -0.4621 0.0456
1.96 -0.082 0.0517
2.04 0.0164 0.0703
2.12 0.2503 0.1193
2.2 0.3854 0.1779
2.28 0.5453 0.2003
2.36 0.1573 0.2276