Measurement E40M21
| Experiment: | EG1 | |
|---|---|---|
| Year: | 2000 |
|
| Spokespersons: | P. Stoler, V. Burkert, R. Minehart | |
| Reaction: | ep → π0p | |
| Polarization: | beam, target (longitudinal) | |
| Quantity: | Aet | |
| Q2: | 0.452 — 0.77 GeV2 | |
| W: | 1.3 — 1.4 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 | 0.434 | 0.661 | 0.1238 |
| -0.7 | -168.0 | 0.409 | 0.354 | 0.0329 |
| -0.5 | -168.0 | 0.736 | 0.283 | 0.0268 |
| -0.3 | -168.0 | 0.391 | 0.384 | 0.0168 |
| -0.1 | -168.0 | 0.08 | 0.341 | 0.0176 |
| 0.9 | -168.0 | -0.048 | 0.522 | 0.0242 |
| -0.9 | -144.0 | 0.578 | 0.66 | 0.1514 |
| -0.7 | -144.0 | 0.568 | 0.302 | 0.0562 |
| -0.5 | -144.0 | 0.402 | 0.243 | 0.0303 |
| -0.3 | -144.0 | 0.111 | 0.176 | 0.0024 |
| -0.1 | -144.0 | 0.008 | 0.211 | 0.0164 |
| 0.1 | -144.0 | -0.085 | 0.218 | 0.0103 |
| 0.3 | -144.0 | -0.15 | 0.205 | 0.016 |
| 0.5 | -144.0 | -0.577 | 0.481 | 0.1054 |
| 0.7 | -144.0 | -0.432 | 0.582 | 0.1169 |
| 0.9 | -144.0 | 0.179 | 0.435 | 0.0259 |
| -0.9 | -120.0 | 0.171 | 0.393 | 0.0237 |
| -0.7 | -120.0 | 0.267 | 0.186 | 0.0162 |
| -0.5 | -120.0 | -0.086 | 0.181 | 0.0117 |
| -0.3 | -120.0 | 0.033 | 0.154 | 0.0051 |
| -0.1 | -120.0 | -0.227 | 0.145 | 0.0148 |
| 0.1 | -120.0 | -0.09 | 0.198 | 0.0116 |
| 0.3 | -120.0 | -0.064 | 0.195 | 0.0087 |
| 0.5 | -120.0 | -0.368 | 0.273 | 0.0399 |
| 0.7 | -120.0 | -0.122 | 0.219 | 0.0116 |
| 0.9 | -120.0 | 2.15 | 1.967 | 1.745 |
| -0.9 | -96.0 | 0.18 | 0.24 | 0.0179 |
| -0.7 | -96.0 | -0.133 | 0.154 | 0.0131 |
| -0.5 | -96.0 | -0.125 | 0.122 | 0.0152 |
| -0.3 | -96.0 | 0.017 | 0.129 | 0.0023 |
| -0.1 | -96.0 | -0.103 | 0.108 | 0.0058 |
| 0.1 | -96.0 | -0.338 | 0.113 | 0.0147 |
| 0.3 | -96.0 | -0.102 | 0.135 | 0.0091 |
| 0.5 | -96.0 | 0.071 | 0.175 | 0.0072 |
| 0.7 | -96.0 | -0.022 | 0.208 | 0.0088 |
| 0.9 | -96.0 | 0.886 | 0.755 | 0.3816 |
| -0.9 | -72.0 | 0.066 | 0.412 | 0.0212 |
| -0.7 | -72.0 | -0.489 | 0.169 | 0.0361 |
| -0.5 | -72.0 | -0.245 | 0.136 | 0.0165 |
| -0.3 | -72.0 | -0.015 | 0.114 | 0.0045 |
| -0.1 | -72.0 | -0.433 | 0.108 | 0.0199 |
| 0.1 | -72.0 | -0.014 | 0.111 | 0.0065 |
| 0.3 | -72.0 | -0.305 | 0.133 | 0.0168 |
| 0.5 | -72.0 | 0.176 | 0.188 | 0.0179 |
| 0.7 | -72.0 | -0.223 | 0.261 | 0.0255 |
| -0.9 | -48.0 | -0.406 | 0.387 | 0.0874 |
| -0.7 | -48.0 | -0.47 | 0.224 | 0.0509 |
| -0.5 | -48.0 | -0.702 | 0.183 | 0.0512 |
| -0.3 | -48.0 | -0.465 | 0.129 | 0.0236 |
| -0.1 | -48.0 | -0.568 | 0.161 | 0.0362 |
| 0.1 | -48.0 | -0.243 | 0.14 | 0.0196 |
| 0.3 | -48.0 | -0.305 | 0.192 | 0.0154 |
| 0.5 | -48.0 | -0.231 | 0.247 | 0.0145 |
| 0.7 | -48.0 | 0.005 | 0.229 | 0.0081 |
| 0.9 | -48.0 | 2.227 | 2.163 | 2.354 |
| -0.9 | -24.0 | -0.444 | 0.355 | 0.0813 |
| -0.7 | -24.0 | -0.457 | 0.249 | 0.0577 |
| -0.5 | -24.0 | -0.6 | 0.243 | 0.0696 |
| -0.3 | -24.0 | -0.641 | 0.174 | 0.0364 |
| -0.1 | -24.0 | -0.611 | 0.177 | 0.0221 |
| 0.9 | -24.0 | 0.028 | 0.261 | 0.0239 |
| -0.9 | 0.0 | 0.465 | 1.169 | 0.6898 |
| -0.7 | 0.0 | -0.804 | 0.488 | 0.2329 |
| -0.5 | 0.0 | -0.411 | 0.167 | 0.0345 |
| -0.3 | 0.0 | -0.047 | 0.116 | 0.0057 |
| -0.1 | 0.0 | -0.152 | 0.156 | 0.0063 |
| 0.9 | 0.0 | 1.395 | 1.03 | 0.5553 |
| -0.9 | 24.0 | 0.845 | 1.485 | 1.6368 |
| -0.7 | 24.0 | -0.265 | 0.241 | 0.0386 |
| -0.5 | 24.0 | -0.864 | 0.292 | 0.1204 |
| -0.3 | 24.0 | -0.692 | 0.157 | 0.0351 |
| -0.1 | 24.0 | -0.421 | 0.199 | 0.021 |
| 0.9 | 24.0 | -0.108 | 0.425 | 0.0348 |
| -0.9 | 48.0 | -0.083 | 0.361 | 0.0287 |
| -0.7 | 48.0 | -0.177 | 0.184 | 0.0217 |
| -0.5 | 48.0 | -0.254 | 0.121 | 0.0148 |
| -0.3 | 48.0 | -0.463 | 0.15 | 0.0326 |
| -0.1 | 48.0 | -0.566 | 0.129 | 0.0263 |
| 0.1 | 48.0 | -0.401 | 0.139 | 0.0167 |
| 0.3 | 48.0 | -0.426 | 0.158 | 0.0175 |
| 0.5 | 48.0 | -0.141 | 0.224 | 0.0071 |
| 0.7 | 48.0 | -0.049 | 0.245 | 0.0084 |
| -0.9 | 72.0 | 0.041 | 0.249 | 0.0169 |
| -0.7 | 72.0 | 0.074 | 0.162 | 0.0096 |
| -0.5 | 72.0 | -0.085 | 0.115 | 0.007 |
| -0.3 | 72.0 | -0.229 | 0.119 | 0.0136 |
| -0.1 | 72.0 | -0.219 | 0.099 | 0.0109 |
| 0.1 | 72.0 | -0.448 | 0.119 | 0.0228 |
| 0.3 | 72.0 | -0.266 | 0.128 | 0.0147 |
| 0.5 | 72.0 | -0.054 | 0.14 | 0.0068 |
| 0.7 | 72.0 | -0.502 | 0.213 | 0.0466 |
| 0.9 | 72.0 | 0.629 | 0.99 | 0.5198 |
| -0.9 | 96.0 | 0.861 | 0.546 | 0.2278 |
| -0.7 | 96.0 | 0.22 | 0.155 | 0.016 |
| -0.5 | 96.0 | 0.007 | 0.13 | 0.006 |
| -0.3 | 96.0 | -0.352 | 0.127 | 0.0204 |
| -0.1 | 96.0 | -0.191 | 0.123 | 0.0101 |
| 0.1 | 96.0 | -0.117 | 0.115 | 0.0112 |
| 0.3 | 96.0 | -0.181 | 0.144 | 0.0129 |
| 0.5 | 96.0 | -0.282 | 0.142 | 0.0158 |
| 0.7 | 96.0 | -0.128 | 0.213 | 0.0159 |
| 0.9 | 96.0 | -0.174 | 0.339 | 0.0429 |
| -0.9 | 120.0 | 0.031 | 0.278 | 0.0147 |
| -0.7 | 120.0 | 0.164 | 0.207 | 0.0137 |
| -0.5 | 120.0 | -0.07 | 0.208 | 0.0129 |
| -0.3 | 120.0 | 0.073 | 0.188 | 0.0145 |
| -0.1 | 120.0 | 0.083 | 0.183 | 0.0092 |
| 0.1 | 120.0 | 0.09 | 0.211 | 0.0117 |
| 0.3 | 120.0 | -0.375 | 0.174 | 0.0222 |
| 0.5 | 120.0 | -0.216 | 0.218 | 0.0191 |
| 0.7 | 120.0 | -0.235 | 0.227 | 0.022 |
| 0.9 | 120.0 | 0.245 | 0.464 | 0.0364 |
| -0.9 | 144.0 | 0.649 | 0.388 | 0.102 |
| -0.7 | 144.0 | 0.314 | 0.274 | 0.0373 |
| -0.5 | 144.0 | 0.384 | 0.188 | 0.0218 |
| -0.3 | 144.0 | -0.001 | 0.204 | 0.0045 |
| -0.1 | 144.0 | -0.078 | 0.235 | 0.0101 |
| 0.1 | 144.0 | -0.213 | 0.21 | 0.0151 |
| 0.3 | 144.0 | -0.402 | 0.34 | 0.0479 |
| 0.5 | 144.0 | -0.102 | 0.284 | 0.0198 |
| 0.7 | 144.0 | -0.756 | 0.735 | 0.2267 |
| 0.9 | 144.0 | -0.245 | 1.464 | 0.0784 |
| -0.9 | 168.0 | -0.462 | 0.643 | 0.0594 |
| -0.7 | 168.0 | 2.226 | 1.762 | 0.8312 |
| -0.5 | 168.0 | 1.216 | 0.565 | 0.1537 |
| -0.3 | 168.0 | 0.042 | 0.344 | 0.0102 |
| -0.1 | 168.0 | -0.107 | 0.325 | 0.0124 |
| 0.9 | 168.0 | 1.056 | 1.019 | 0.2701 |