CLAS Physics Database

Measurement E209M46

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

Measurement comment:

cos(θKc.m.) bin: [-0.5: 0.0]
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, [GeV] P0y′ uncertainty syst. uncert.
1.64 -0.0127 0.0667 0.0173
1.72 -0.1423 0.0321 0.0174
1.8 -0.1726 0.033 0.0174
1.88 -0.0977 0.0391 0.0173
1.96 0.0183 0.0563 0.0173
2.04 -0.1131 0.0807 0.0173
2.12 -0.0713 0.1069 0.0173
2.2 -0.1588 0.1471 0.0174
2.28 0.2432 0.2043 0.0175
2.36 0.1863 0.2986 0.0174