Measurement E40M4
| 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: | 1.25 — 1.3 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)
|
|
| cos(θ) | φ, [deg] | Aet | uncertainty | syst. uncert. |
|---|---|---|---|---|
| -0.9 | -168.0 | 0.259 | 0.643 | 0.0411 |
| -0.7 | -168.0 | -0.243 | 0.49 | 0.0453 |
| -0.5 | -168.0 | -0.317 | 0.316 | 0.039 |
| -0.9 | -144.0 | 0.195 | 0.326 | 0.0176 |
| -0.7 | -144.0 | -0.059 | 0.133 | 0.0067 |
| -0.5 | -144.0 | -0.278 | 0.123 | 0.0214 |
| -0.3 | -144.0 | -0.126 | 0.107 | 0.009 |
| -0.1 | -144.0 | 0.027 | 0.114 | 0.0052 |
| 0.1 | -144.0 | -0.415 | 0.185 | 0.0266 |
| 0.3 | -144.0 | -0.221 | 0.17 | 0.0119 |
| 0.5 | -144.0 | -0.266 | 0.364 | 0.0291 |
| 0.7 | -144.0 | -0.042 | 0.214 | 0.0062 |
| -0.9 | -120.0 | 0.19 | 0.196 | 0.0148 |
| -0.7 | -120.0 | -0.061 | 0.105 | 0.0065 |
| -0.5 | -120.0 | -0.2 | 0.082 | 0.0111 |
| -0.3 | -120.0 | -0.129 | 0.064 | 0.005 |
| -0.1 | -120.0 | -0.166 | 0.091 | 0.0096 |
| 0.1 | -120.0 | -0.222 | 0.118 | 0.0123 |
| 0.3 | -120.0 | -0.057 | 0.117 | 0.0038 |
| 0.5 | -120.0 | -0.385 | 0.159 | 0.0256 |
| 0.7 | -120.0 | -0.167 | 0.22 | 0.0201 |
| -0.9 | -96.0 | 0.289 | 0.15 | 0.0244 |
| -0.7 | -96.0 | -0.169 | 0.084 | 0.0097 |
| -0.5 | -96.0 | -0.16 | 0.073 | 0.0079 |
| -0.3 | -96.0 | -0.333 | 0.072 | 0.0164 |
| -0.1 | -96.0 | -0.124 | 0.061 | 0.0053 |
| 0.1 | -96.0 | -0.253 | 0.069 | 0.0095 |
| 0.3 | -96.0 | -0.277 | 0.088 | 0.011 |
| 0.5 | -96.0 | -0.332 | 0.108 | 0.0129 |
| 0.7 | -96.0 | -0.15 | 0.179 | 0.0147 |
| 0.9 | -96.0 | -0.075 | 0.661 | 0.0304 |
| -0.9 | -72.0 | -0.546 | 0.216 | 0.0663 |
| -0.7 | -72.0 | -0.185 | 0.079 | 0.0092 |
| -0.5 | -72.0 | -0.217 | 0.068 | 0.0093 |
| -0.3 | -72.0 | -0.212 | 0.074 | 0.0101 |
| -0.9 | -48.0 | 0.203 | 0.231 | 0.0292 |
| -0.7 | -48.0 | -0.644 | 0.137 | 0.0532 |
| -0.9 | -24.0 | -0.347 | 0.246 | 0.03 |
| -0.9 | 0.0 | -0.386 | 0.261 | 0.0531 |
| -0.9 | 24.0 | -0.186 | 0.156 | 0.0166 |
| -0.9 | 48.0 | -0.305 | 0.145 | 0.027 |
| -0.7 | 48.0 | -0.212 | 0.101 | 0.0143 |
| -0.9 | 72.0 | -0.185 | 0.117 | 0.0141 |
| -0.7 | 72.0 | -0.139 | 0.09 | 0.0089 |
| -0.5 | 72.0 | -0.314 | 0.07 | 0.0139 |
| -0.3 | 72.0 | -0.328 | 0.074 | 0.0149 |
| -0.9 | 96.0 | -0.032 | 0.136 | 0.0032 |
| -0.7 | 96.0 | -0.003 | 0.086 | 0.0029 |
| -0.5 | 96.0 | -0.182 | 0.091 | 0.0106 |
| -0.3 | 96.0 | -0.098 | 0.063 | 0.0044 |
| -0.1 | 96.0 | -0.117 | 0.066 | 0.0052 |
| 0.1 | 96.0 | -0.181 | 0.071 | 0.0086 |
| 0.3 | 96.0 | -0.173 | 0.069 | 0.0074 |
| 0.5 | 96.0 | -0.065 | 0.074 | 0.0047 |
| 0.7 | 96.0 | -0.047 | 0.095 | 0.0058 |
| 0.9 | 96.0 | 0.321 | 0.217 | 0.0381 |
| -0.9 | 120.0 | 0.221 | 0.142 | 0.0213 |
| -0.7 | 120.0 | 0.003 | 0.101 | 0.0043 |
| -0.5 | 120.0 | -0.18 | 0.093 | 0.0121 |
| -0.3 | 120.0 | -0.056 | 0.088 | 0.0035 |
| -0.1 | 120.0 | -0.689 | 0.388 | 0.0203 |
| 0.1 | 120.0 | -0.312 | 0.112 | 0.0178 |
| 0.3 | 120.0 | -0.242 | 0.115 | 0.0143 |
| 0.5 | 120.0 | -0.103 | 0.116 | 0.006 |
| 0.7 | 120.0 | -0.431 | 0.219 | 0.0529 |
| -0.9 | 144.0 | 0.331 | 0.322 | 0.0435 |
| -0.7 | 144.0 | 0.066 | 0.139 | 0.0058 |
| -0.5 | 144.0 | -0.319 | 0.11 | 0.0203 |
| -0.3 | 144.0 | -0.16 | 0.129 | 0.0114 |
| -0.1 | 144.0 | -0.285 | 0.142 | 0.0144 |
| 0.1 | 144.0 | -0.608 | 0.31 | 0.0478 |
| 0.3 | 144.0 | -0.72 | 0.208 | 0.0431 |
| 0.5 | 144.0 | -0.22 | 0.225 | 0.0166 |
| 0.7 | 144.0 | -0.389 | 0.167 | 0.0288 |
| -0.9 | 168.0 | 0.452 | 0.26 | 0.0505 |
| -0.7 | 168.0 | 0.899 | 0.487 | 0.2248 |
| -0.5 | 168.0 | 0.36 | 0.237 | 0.0363 |
| -0.3 | 168.0 | 0.194 | 0.392 | 0.0207 |
| -0.1 | 168.0 | -0.418 | 0.228 | 0.0323 |