CLAS Physics Database

Measurement E209M41

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: 0.4 — 1.0 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 -0.2295 0.0657
1.72 -0.3207 0.039
1.8 -0.3238 0.0382
1.88 -0.1158 0.0314
1.96 0.2516 0.0309
2.04 0.2186 0.0413
2.12 0.1667 0.0636
2.2 0.3452 0.0803
2.28 0.2402 0.0993
2.36 0.282 0.1092