CLAS physics database search results Measurement E209M9 CLAS12 RG-K K+Y recoil polarization Daniel S. Carman 2025 W P^0_y' Data errors Systematic errors GeV 1.64 -0.4012 0.044 0.0263 1.66 -0.3051 0.0273 0.0222 1.69 -0.4477 0.0214 0.0194 1.71 -0.4591 0.0174 0.0172 1.74 -0.4799 0.0167 0.012 1.76 -0.5377 0.0166 0.0256 1.79 -0.5303 0.0169 0.013 1.81 -0.5658 0.0176 0.0088 1.84 -0.552 0.0178 0.0137 1.86 -0.5249 0.0184 0.0167 1.89 -0.4983 0.019 0.0094 1.91 -0.49 0.0202 0.0082 1.94 -0.4537 0.0213 0.0156 1.96 -0.4063 0.0229 0.0118 1.99 -0.4441 0.0233 0.0116 2.01 -0.4935 0.0246 0.018 2.04 -0.5067 0.0253 0.0176 2.06 -0.4867 0.0269 0.0102 2.09 -0.4931 0.0274 0.0101 2.11 -0.4911 0.0288 0.0197 2.14 -0.454 0.0298 0.0105 2.16 -0.4348 0.031 0.0096 2.19 -0.4729 0.0314 0.0109 2.21 -0.4612 0.0324 0.0126 2.24 -0.4248 0.0342 0.0088 2.26 -0.3861 0.0351 0.0118 2.29 -0.3147 0.0361 0.01 2.31 -0.3077 0.0379 0.0202 2.34 -0.3014 0.0393 0.0103 2.36 -0.3763 0.0398 0.0168 2.39 -0.3395 0.0406 0.0146