CLAS Physics Database

Measurement E209M6

Experiment: CLAS12 RG-K K+Y recoil polarization
Year: 2025
Spokesperson: Daniel S. Carman
Reaction: ep → K+ Λ
Polarization: final
Quantity: P0y
Q2: 0.3 — 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
1.64 -0.323 0.0332
1.66 -0.2975 0.0202
1.69 -0.2837 0.0137
1.71 -0.3081 0.0141
1.74 -0.3031 0.012
1.76 -0.3396 0.0118
1.79 -0.3268 0.0125
1.81 -0.3057 0.013
1.84 -0.3042 0.0142
1.86 -0.301 0.0133
1.89 -0.297 0.0143
1.91 -0.3563 0.014
1.94 -0.3714 0.0145
1.96 -0.3843 0.0149
1.99 -0.4016 0.0174
2.01 -0.414 0.0163
2.04 -0.4196 0.0175
2.06 -0.3951 0.0184
2.09 -0.4392 0.0185
2.11 -0.386 0.0195
2.14 -0.421 0.0203
2.16 -0.4339 0.0209
2.19 -0.5055 0.0213
2.21 -0.4269 0.022
2.24 -0.4472 0.023
2.26 -0.496 0.0237
2.29 -0.4208 0.0246
2.31 -0.4618 0.0258
2.34 -0.4667 0.0265
2.36 -0.4688 0.0271
2.39 -0.4392 0.0284