CLAS Physics Database

Measurement E209M43

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: 0.4 — 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 0.2808 0.0544
1.72 -0.0548 0.0287
1.8 -0.1682 0.0267
1.88 -0.0778 0.0295
1.96 -0.0709 0.0327
2.04 -0.0721 0.0353
2.12 -0.054 0.0386
2.2 0.0383 0.0441
2.28 0.0829 0.052
2.36 0.1396 0.062