CLAS Physics Database

Measurement E209M28

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: 0.3 — 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 0.0189 0.0656
1.72 -0.1588 0.0272
1.8 -0.1451 0.0237
1.88 -0.1344 0.023
1.96 -0.2125 0.0222
2.04 -0.1197 0.0217
2.12 -0.0621 0.0215
2.2 -0.0742 0.0206
2.28 -0.03 0.0217
2.36 -0.0098 0.0235