CLAS Physics Database

Measurement E209M25

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: 0.3 — 0.9 GeV2
W: 1.625 — 2.4 GeV
Ebeam: 6.535 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 -0.119 0.0471
1.72 -0.2612 0.0279
1.8 -0.2261 0.0245
1.88 0.0415 0.0196
1.96 0.223 0.0189
2.04 0.3272 0.0254
2.12 0.2703 0.0387
2.2 0.4011 0.0483
2.28 0.4946 0.0606
2.36 0.4561 0.0703