CLAS Physics Database

Measurement E209M31

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: 0.9 — 3.5 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 syst. uncert.
1.64 0.0795 0.0509 0.0173
1.72 0.0233 0.0219 0.0173
1.8 -0.0293 0.022 0.0173
1.88 0.0175 0.0257 0.0173
1.96 -0.0823 0.0311 0.0173
2.04 -0.1498 0.035 0.0174
2.12 -0.1169 0.0392 0.0173
2.2 -0.0468 0.0449 0.0173
2.28 0.0342 0.0516 0.0173
2.36 0.0214 0.0605 0.0173