CLAS Physics Database

Measurement E209M44

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+ 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 -0.1073 0.0753
1.72 -0.14 0.0315
1.8 -0.2311 0.0301
1.88 -0.232 0.031
1.96 -0.1826 0.0318
2.04 -0.1857 0.0322
2.12 -0.1741 0.0312
2.2 -0.1486 0.0318
2.28 -0.1147 0.032
2.36 -0.0168 0.0334