CLAS Physics Database

Measurement E209M27

Experiment: CLAS12 RG-K K+Y recoil polarization
Year: 2025

Measurement comment:

cos(θKc.m.) bin: [0.0: 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 0.1801 0.0443
1.72 -0.0143 0.022
1.8 -0.1027 0.0187
1.88 -0.0869 0.0186
1.96 -0.0356 0.0202
2.04 -0.014 0.0216
2.12 -0.0311 0.024
2.2 -0.0096 0.0278
2.28 0.0817 0.0333
2.36 0.1868 0.0404