CLAS Physics Database

Measurement E40M2

Experiment: EG1
Year: 2000
Spokespersons: P. Stoler, V. Burkert, R. Minehart
Reaction: ep → π0p
Polarization: beam, target (longitudinal)
Quantity: Aet
Q2: 0.187 — 0.317 GeV2
W: 1.15 — 1.2 GeV
Publication:
A. S. Biselli, V. D. Burkert, and CLAS Collaboration First measurement of target and double spin asymmetries for polarized e- polarized p → e p π0 in the nucleon resonance region above the Δ(1232) // PRC 78, 045204 (2008)

Slice: cos(θ) = dimensionless

Measurement data
cos(θ) φ, [deg] Aet uncertainty syst. uncert.
-0.9 -168.0 0.708 0.245 0.0455
-0.7 -168.0 -0.026 0.309 0.0035
-0.5 -168.0 -0.454 0.247 0.0359
-0.3 -168.0 -0.488 0.171 0.0253
-0.1 -168.0 -0.101 0.148 0.008
0.1 -168.0 -0.394 0.155 0.0241
0.3 -168.0 -0.591 0.127 0.0325
0.5 -168.0 -0.467 0.125 0.0303
0.7 -168.0 -0.284 0.125 0.0194
0.9 -168.0 -0.125 0.161 0.0084
-0.9 -144.0 -0.059 0.267 0.0088
-0.7 -144.0 0.016 0.117 0.001
-0.5 -144.0 -0.179 0.091 0.008
-0.3 -144.0 -0.2 0.08 0.0086
-0.1 -144.0 -0.315 0.085 0.0155
0.1 -144.0 -0.549 0.095 0.0323
0.3 -144.0 -0.387 0.079 0.0173
0.5 -144.0 -0.481 0.097 0.026
0.7 -144.0 -0.356 0.11 0.0237
0.9 -144.0 -0.049 0.16 0.0024
-0.9 -120.0 0.252 0.154 0.0152
-0.7 -120.0 -0.069 0.081 0.0025
-0.5 -120.0 -0.206 0.079 0.0084
-0.3 -120.0 -0.276 0.069 0.0095
-0.1 -120.0 -0.3 0.073 0.0111
0.1 -120.0 -0.307 0.074 0.0122
0.3 -120.0 -0.153 0.078 0.0064
0.5 -120.0 -0.34 0.108 0.0175
0.7 -120.0 -0.433 0.161 0.0278
0.9 -120.0 -0.123 0.212 0.0153
-0.9 -96.0 0.123 0.125 0.0056
-0.7 -96.0 -0.097 0.085 0.0042
-0.5 -96.0 -0.22 0.071 0.0079
-0.3 -96.0 -0.262 0.066 0.0085
-0.1 -96.0 -0.179 0.07 0.0065
0.1 -96.0 -0.232 0.068 0.0081
0.3 -96.0 -0.135 0.074 0.0057
0.5 -96.0 -0.239 0.089 0.0129
0.7 -96.0 -0.15 0.105 0.0097
0.9 -96.0 0.008 0.16 0.0035
-0.9 -72.0 -0.582 0.152 0.0326
-0.7 -72.0 -0.25 0.098 0.0095
-0.9 -48.0 -0.151 0.177 0.0078
-0.9 48.0 -0.221 0.134 0.0121
-0.9 72.0 -0.118 0.108 0.0062
-0.7 72.0 -0.2 0.086 0.0073
-0.9 96.0 0.012 0.107 0.0023
-0.7 96.0 0.033 0.082 0.003
-0.5 96.0 -0.187 0.072 0.0072
-0.3 96.0 -0.305 0.074 0.0125
-0.1 96.0 -0.126 0.076 0.0056
0.1 96.0 -0.309 0.08 0.0151
0.3 96.0 -0.211 0.079 0.0103
0.5 96.0 -0.114 0.077 0.0054
0.7 96.0 -0.074 0.094 0.0049
0.9 96.0 -0.038 0.2 0.0071
-0.9 120.0 0.042 0.12 0.0058
-0.7 120.0 0.087 0.084 0.0035
-0.5 120.0 -0.117 0.08 0.0049
-0.3 120.0 -0.315 0.078 0.0133
-0.1 120.0 -0.247 0.077 0.0104
0.1 120.0 -0.317 0.086 0.0164
0.3 120.0 -0.302 0.082 0.0132
0.5 120.0 -0.406 0.092 0.0187
0.7 120.0 -0.122 0.14 0.0091
0.9 120.0 -0.081 0.199 0.0075
-0.9 144.0 0.284 0.13 0.013
-0.7 144.0 -0.176 0.1 0.0087
-0.5 144.0 -0.239 0.103 0.0141
-0.3 144.0 -0.316 0.089 0.0156
-0.1 144.0 -0.496 0.1 0.0302
0.1 144.0 -0.497 0.084 0.0238
0.3 144.0 -0.345 0.096 0.0215
0.5 144.0 -0.326 0.105 0.0227
0.7 144.0 -0.16 0.114 0.0088
0.9 144.0 0.018 0.213 0.0045
-0.9 168.0 0.574 0.182 0.03
-0.7 168.0 0.312 0.173 0.0205
-0.5 168.0 0.047 0.214 0.0038
-0.3 168.0 -0.83 0.191 0.0545
-0.1 168.0 -0.526 0.183 0.037
0.1 168.0 -0.451 0.184 0.0311
0.3 168.0 -0.59 0.131 0.0262
0.5 168.0 -0.545 0.185 0.0413
0.7 168.0 -0.415 0.156 0.0252
0.9 168.0 -0.555 0.229 0.0435