CLAS Physics Database

Measurement E209M56

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

Measurement comment:

cos(θKc.m.) bin: [0.5: 1.0]
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
1.64 -0.041 0.0614
1.72 -0.0024 0.0212
1.8 -0.011 0.0216
1.88 -0.1029 0.0242
1.96 -0.1459 0.0281
2.04 -0.189 0.0319
2.12 -0.2007 0.0332
2.2 -0.1913 0.0358
2.28 -0.1922 0.0398
2.36 -0.2377 0.0427