CLAS Physics Database

Measurement E209M47

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: 1.0 — 4.5 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 P0y′ uncertainty
1.64 -0.1396 0.0678
1.72 -0.0151 0.0283
1.8 -0.0546 0.0287
1.88 0.0155 0.034
1.96 -0.0455 0.042
2.04 -0.1407 0.0469
2.12 -0.0734 0.054
2.2 -0.1519 0.0606
2.28 0.0353 0.0699
2.36 0.1325 0.0798