CLAS Physics Database

Measurement E209M11

Experiment: CLAS12 RG-K K+Y recoil polarization
Year: 2025
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Λ
Polarization: final
Quantity: P0y
Q2: 0.4 — 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
Q2, [GeV2] P0y uncertainty
0.45 -0.4605 0.0156
0.55 -0.4333 0.0126
0.65 -0.3924 0.0133
0.75 -0.4135 0.0141
0.85 -0.3722 0.0152
0.95 -0.347 0.0163
1.05 -0.3483 0.0177
1.15 -0.3424 0.0188
1.25 -0.3614 0.0202
1.35 -0.3146 0.0215
1.45 -0.3515 0.0241
1.6 -0.3559 0.018
1.8 -0.3079 0.0211
2.0 -0.2866 0.0256
2.2 -0.2331 0.0304
2.4 -0.2493 0.0348
2.65 -0.3029 0.0339
2.95 -0.2749 0.0418
3.3 -0.2874 0.0453
4.0 -0.2437 0.0434