Measurement E8M52
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.45 — 0.55 GeV2 | |
| W: | 1.18 — 1.2 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 45.0 | 3.821 | 1.235 |
| 7.5 | 75.0 | 5.809 | 1.346 |
| 7.5 | 105.0 | 4.198 | 0.8876 |
| 7.5 | 135.0 | 6.695 | 1.285 |
| 7.5 | 165.0 | 6.198 | 1.116 |
| 7.5 | 195.0 | 6.271 | 1.503 |
| 7.5 | 225.0 | 7.8 | 1.983 |
| 7.5 | 255.0 | 6.559 | 1.091 |
| 7.5 | 285.0 | 2.606 | 0.6867 |
| 7.5 | 315.0 | 4.328 | 1.621 |
| 22.5 | 75.0 | 4.214 | 0.686 |
| 22.5 | 105.0 | 5.564 | 0.6068 |
| 22.5 | 135.0 | 6.85 | 0.5907 |
| 22.5 | 165.0 | 6.882 | 0.5589 |
| 22.5 | 195.0 | 7.739 | 0.6143 |
| 22.5 | 225.0 | 5.866 | 0.5131 |
| 22.5 | 255.0 | 6.828 | 0.7155 |
| 22.5 | 285.0 | 5.993 | 1.136 |
| 22.5 | 315.0 | 6.304 | 2.731 |
| 37.5 | 15.0 | 4.123 | 0.763 |
| 37.5 | 75.0 | 6.423 | 0.8274 |
| 37.5 | 105.0 | 9.367 | 0.7943 |
| 37.5 | 135.0 | 8.387 | 0.5845 |
| 37.5 | 165.0 | 9.244 | 0.5714 |
| 37.5 | 195.0 | 8.064 | 0.5243 |
| 37.5 | 225.0 | 9.603 | 0.6452 |
| 37.5 | 255.0 | 8.976 | 0.8498 |
| 37.5 | 285.0 | 8.032 | 1.064 |
| 37.5 | 345.0 | 3.966 | 1.092 |
| 52.5 | 45.0 | 6.52 | 1.404 |
| 52.5 | 75.0 | 9.495 | 0.6821 |
| 52.5 | 105.0 | 10.14 | 0.767 |
| 52.5 | 135.0 | 12.69 | 0.8256 |
| 52.5 | 165.0 | 7.964 | 0.4398 |
| 52.5 | 195.0 | 8.691 | 0.4679 |
| 52.5 | 225.0 | 9.463 | 0.654 |
| 52.5 | 255.0 | 11.02 | 0.8456 |
| 52.5 | 285.0 | 9.862 | 0.6245 |
| 52.5 | 315.0 | 7.171 | 2.289 |
| 67.5 | 45.0 | 9.841 | 1.916 |
| 67.5 | 75.0 | 12.26 | 0.5647 |
| 67.5 | 105.0 | 15.23 | 0.8398 |
| 67.5 | 135.0 | 11.15 | 0.7423 |
| 67.5 | 165.0 | 8.61 | 0.4874 |
| 67.5 | 195.0 | 8.249 | 0.4844 |
| 67.5 | 225.0 | 13.14 | 0.8745 |
| 67.5 | 255.0 | 13.88 | 0.7495 |
| 67.5 | 285.0 | 12.23 | 0.5391 |
| 67.5 | 315.0 | 8.697 | 1.074 |
| 82.5 | 45.0 | 8.718 | 0.7012 |
| 82.5 | 75.0 | 13.91 | 0.578 |
| 82.5 | 105.0 | 14.35 | 0.6698 |
| 82.5 | 135.0 | 11.28 | 0.7614 |
| 82.5 | 165.0 | 8.003 | 0.4389 |
| 82.5 | 195.0 | 8.509 | 0.472 |
| 82.5 | 225.0 | 11.27 | 0.7885 |
| 82.5 | 255.0 | 15.12 | 0.6473 |
| 82.5 | 285.0 | 13.36 | 0.5466 |
| 82.5 | 315.0 | 8.485 | 0.6407 |
| 97.5 | 15.0 | 7.241 | 1.72 |
| 97.5 | 45.0 | 10.62 | 0.7409 |
| 97.5 | 75.0 | 13.04 | 0.6894 |
| 97.5 | 105.0 | 15.42 | 0.667 |
| 97.5 | 135.0 | 12.21 | 0.6861 |
| 97.5 | 165.0 | 7.237 | 0.4285 |
| 97.5 | 195.0 | 7.526 | 0.4361 |
| 97.5 | 225.0 | 11.31 | 0.6423 |
| 97.5 | 255.0 | 14.92 | 0.6347 |
| 97.5 | 285.0 | 13.9 | 0.6605 |
| 97.5 | 315.0 | 9.787 | 0.6639 |
| 97.5 | 345.0 | 4.812 | 0.7568 |
| 112.5 | 15.0 | 4.843 | 0.6992 |
| 112.5 | 45.0 | 9.712 | 0.5498 |
| 112.5 | 75.0 | 14.57 | 0.9211 |
| 112.5 | 105.0 | 14.06 | 0.6057 |
| 112.5 | 135.0 | 9.424 | 0.6583 |
| 112.5 | 165.0 | 7.6 | 0.5724 |
| 112.5 | 195.0 | 7.07 | 0.5388 |
| 112.5 | 225.0 | 9.42 | 0.6106 |
| 112.5 | 255.0 | 14.51 | 0.6122 |
| 112.5 | 285.0 | 13.06 | 0.8726 |
| 112.5 | 315.0 | 9.379 | 0.5521 |
| 112.5 | 345.0 | 6.26 | 0.9284 |
| 127.5 | 15.0 | 6.738 | 0.6913 |
| 127.5 | 45.0 | 8.657 | 0.5399 |
| 127.5 | 75.0 | 12.92 | 0.8796 |
| 127.5 | 105.0 | 11.24 | 0.6568 |
| 127.5 | 135.0 | 9.599 | 0.7153 |
| 127.5 | 165.0 | 6.051 | 0.8958 |
| 127.5 | 195.0 | 8.438 | 3.538 |
| 127.5 | 225.0 | 8.461 | 0.6383 |
| 127.5 | 255.0 | 10.47 | 0.59 |
| 127.5 | 285.0 | 11.29 | 0.7795 |
| 127.5 | 315.0 | 10.55 | 0.687 |
| 127.5 | 345.0 | 6.189 | 0.7006 |
| 142.5 | 15.0 | 5.87 | 0.856 |
| 142.5 | 45.0 | 9.404 | 0.8192 |
| 142.5 | 75.0 | 9.602 | 0.8828 |
| 142.5 | 105.0 | 15.04 | 2.306 |
| 142.5 | 255.0 | 8.776 | 1.028 |
| 142.5 | 285.0 | 10.94 | 0.9857 |
| 142.5 | 315.0 | 10.39 | 0.9538 |
| 142.5 | 345.0 | 10.04 | 1.649 |
| 157.5 | 15.0 | 14.04 | 7.354 |
| 157.5 | 45.0 | 8.144 | 2.05 |
| 157.5 | 315.0 | 13.55 | 4.755 |
| 157.5 | 345.0 | 8.634 | 2.551 |
Measurement comment:
Experiment comment: