Measurement E7M8
| Experiment: | E89-042 CLAS Experiment | |
|---|---|---|
| Year: | 2003 |
|
| Spokespersons: | V. D. Burkert, R. Minehart | |
| Reaction: | ep → π0p | |
| Polarization: | beam | |
| Quantity: | Ab(θπ, φπ) | |
| Q2: | 0.4 GeV2 | |
| W: | 1.38 GeV | |
| x: | 0.2604 | |
| Publication: |
K. Joo, L.C. Smith, V.D. Burkert, R. Minehart, and CLAS Collaboration Measurement of the Polarized Structure Function of Single pi0 Electroproduction in the Delta Resonance Region //
Phys. Rev. C, 68 03220101 (2003)
|
|
| cos(θπ) | φπ, [deg] | Ab(θπ, φπ), [1/sr] | uncertainty |
|---|---|---|---|
| -0.875 | 22.5 | 0.00591 | 0.0638 |
| -0.875 | 67.5 | 0.0525 | 0.063 |
| -0.875 | 112.5 | -0.0329 | 0.0726 |
| -0.875 | 157.5 | 0.0487 | 0.0614 |
| -0.875 | 202.5 | -0.0142 | 0.0651 |
| -0.875 | 247.5 | -0.033 | 0.0672 |
| -0.875 | 292.5 | -0.0499 | 0.0632 |
| -0.875 | 337.5 | 0.000799 | 0.0612 |
| -0.625 | 22.5 | -0.0896 | 0.0416 |
| -0.625 | 67.5 | -0.0504 | 0.0446 |
| -0.625 | 112.5 | -0.0341 | 0.0481 |
| -0.625 | 157.5 | 0.0845 | 0.0881 |
| -0.625 | 202.5 | -0.0246 | 0.0867 |
| -0.625 | 247.5 | 0.157 | 0.0497 |
| -0.625 | 292.5 | -0.0219 | 0.0436 |
| -0.625 | 337.5 | 0.0367 | 0.0407 |
| -0.375 | 22.5 | 0.0229 | 0.0322 |
| -0.375 | 67.5 | -0.0361 | 0.0343 |
| -0.375 | 112.5 | -0.0386 | 0.0291 |
| -0.375 | 157.5 | -0.0712 | 0.0616 |
| -0.375 | 202.5 | -0.00513 | 0.0577 |
| -0.375 | 247.5 | -0.00891 | 0.0299 |
| -0.375 | 292.5 | -0.00267 | 0.0339 |
| -0.375 | 337.5 | 0.032 | 0.0325 |
| -0.125 | 22.5 | -0.059 | 0.0317 |
| -0.125 | 67.5 | -0.062 | 0.0293 |
| -0.125 | 112.5 | -0.00986 | 0.0238 |
| -0.125 | 157.5 | 0.0275 | 0.0545 |
| -0.125 | 202.5 | 0.0541 | 0.057 |
| -0.125 | 247.5 | 0.0451 | 0.0241 |
| -0.125 | 292.5 | 0.00499 | 0.0288 |
| -0.125 | 337.5 | 0.0151 | 0.0319 |
| 0.125 | 22.5 | -0.0716 | 0.0283 |
| 0.125 | 67.5 | -0.0523 | 0.0275 |
| 0.125 | 112.5 | -0.0446 | 0.0241 |
| 0.125 | 157.5 | -0.171 | 0.0716 |
| 0.125 | 202.5 | 0.0868 | 0.0746 |
| 0.125 | 247.5 | 0.063 | 0.0242 |
| 0.125 | 292.5 | 0.0867 | 0.0274 |
| 0.125 | 337.5 | -0.0121 | 0.0287 |
| 0.375 | 22.5 | -0.0771 | 0.0228 |
| 0.375 | 67.5 | -0.12 | 0.0284 |
| 0.375 | 112.5 | -0.161 | 0.0274 |
| 0.375 | 157.5 | -0.053 | 0.0757 |
| 0.375 | 202.5 | 0.0738 | 0.0764 |
| 0.375 | 247.5 | 0.158 | 0.0278 |
| 0.375 | 292.5 | 0.101 | 0.0281 |
| 0.375 | 337.5 | 0.113 | 0.0226 |
| 0.625 | 22.5 | -0.0846 | 0.0219 |
| 0.625 | 67.5 | -0.175 | 0.0333 |
| 0.625 | 112.5 | -0.17 | 0.0341 |
| 0.625 | 157.5 | 0.0484 | 0.0771 |
| 0.625 | 202.5 | 0.115 | 0.0728 |
| 0.625 | 247.5 | 0.204 | 0.0336 |
| 0.625 | 292.5 | 0.0913 | 0.0322 |
| 0.625 | 337.5 | 0.0819 | 0.0217 |
| 0.875 | 22.5 | -0.0854 | 0.0343 |
| 0.875 | 67.5 | -0.226 | 0.0459 |
| 0.875 | 112.5 | -0.209 | 0.0504 |
| 0.875 | 157.5 | -0.104 | 0.0996 |
| 0.875 | 202.5 | -0.0751 | 0.1 |
| 0.875 | 247.5 | 0.111 | 0.051 |
| 0.875 | 292.5 | 0.175 | 0.0452 |
| 0.875 | 337.5 | 0.0703 | 0.0349 |