Measurement E8M72
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.55 — 0.65 GeV2 | |
| W: | 1.16 — 1.18 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 135.0 | 4.466 | 1.158 |
| 7.5 | 165.0 | 3.443 | 0.9164 |
| 7.5 | 285.0 | 1.49 | 0.6419 |
| 22.5 | 75.0 | 4.288 | 1.039 |
| 22.5 | 105.0 | 3.288 | 0.6047 |
| 22.5 | 135.0 | 4.85 | 0.6842 |
| 22.5 | 165.0 | 5.538 | 0.6428 |
| 22.5 | 195.0 | 3.953 | 0.504 |
| 22.5 | 225.0 | 3.837 | 0.6044 |
| 22.5 | 255.0 | 3.891 | 0.5995 |
| 22.5 | 285.0 | 3.171 | 0.6674 |
| 37.5 | 15.0 | 1.703 | 0.8259 |
| 37.5 | 75.0 | 5.14 | 1.241 |
| 37.5 | 105.0 | 5.692 | 0.8612 |
| 37.5 | 135.0 | 4.997 | 0.5259 |
| 37.5 | 165.0 | 4.88 | 0.4482 |
| 37.5 | 195.0 | 4.939 | 0.5017 |
| 37.5 | 225.0 | 5.801 | 0.6757 |
| 37.5 | 255.0 | 5.23 | 0.6507 |
| 37.5 | 285.0 | 3.135 | 0.5861 |
| 52.5 | 75.0 | 7.384 | 0.8234 |
| 52.5 | 105.0 | 6.454 | 0.7293 |
| 52.5 | 135.0 | 5.846 | 0.5761 |
| 52.5 | 165.0 | 5.315 | 0.4408 |
| 52.5 | 195.0 | 5.042 | 0.3995 |
| 52.5 | 225.0 | 7.613 | 0.7305 |
| 52.5 | 255.0 | 7.451 | 0.7549 |
| 52.5 | 285.0 | 5.648 | 1.29 |
| 67.5 | 45.0 | 5.323 | 1.334 |
| 67.5 | 75.0 | 6.678 | 0.5188 |
| 67.5 | 105.0 | 9.574 | 0.8316 |
| 67.5 | 135.0 | 6.608 | 0.63 |
| 67.5 | 165.0 | 5.45 | 0.4831 |
| 67.5 | 195.0 | 5.148 | 0.4451 |
| 67.5 | 225.0 | 6.685 | 0.652 |
| 67.5 | 255.0 | 8.1 | 0.7496 |
| 67.5 | 285.0 | 7.816 | 0.5614 |
| 67.5 | 315.0 | 3.515 | 0.496 |
| 82.5 | 45.0 | 5.58 | 0.7089 |
| 82.5 | 75.0 | 8.453 | 0.509 |
| 82.5 | 105.0 | 9.612 | 0.6995 |
| 82.5 | 135.0 | 6.971 | 0.7043 |
| 82.5 | 165.0 | 5.237 | 0.5043 |
| 82.5 | 195.0 | 5.443 | 0.5347 |
| 82.5 | 225.0 | 6.157 | 0.6943 |
| 82.5 | 255.0 | 9.492 | 0.694 |
| 82.5 | 285.0 | 8.48 | 0.5361 |
| 82.5 | 315.0 | 5.029 | 0.5017 |
| 97.5 | 15.0 | 3.34 | 1.315 |
| 97.5 | 45.0 | 5.503 | 0.6546 |
| 97.5 | 75.0 | 7.941 | 0.5458 |
| 97.5 | 105.0 | 9.247 | 0.6805 |
| 97.5 | 135.0 | 7.899 | 0.7172 |
| 97.5 | 165.0 | 4.715 | 0.417 |
| 97.5 | 195.0 | 4.273 | 0.3614 |
| 97.5 | 225.0 | 7.43 | 0.7204 |
| 97.5 | 255.0 | 7.867 | 0.5389 |
| 97.5 | 285.0 | 8.115 | 0.5858 |
| 97.5 | 315.0 | 5.024 | 0.5976 |
| 112.5 | 15.0 | 4.113 | 0.796 |
| 112.5 | 45.0 | 5.784 | 0.5417 |
| 112.5 | 75.0 | 8.115 | 0.7734 |
| 112.5 | 105.0 | 7.297 | 0.5108 |
| 112.5 | 135.0 | 6.703 | 0.6296 |
| 112.5 | 165.0 | 2.889 | 0.3491 |
| 112.5 | 195.0 | 3.935 | 0.5031 |
| 112.5 | 225.0 | 7.809 | 0.7291 |
| 112.5 | 255.0 | 7.342 | 0.4906 |
| 112.5 | 285.0 | 8.339 | 0.7774 |
| 112.5 | 315.0 | 6.259 | 0.6147 |
| 112.5 | 345.0 | 3.7 | 0.8849 |
| 127.5 | 15.0 | 4.413 | 1.749 |
| 127.5 | 45.0 | 5.375 | 0.5384 |
| 127.5 | 75.0 | 7.484 | 0.8868 |
| 127.5 | 105.0 | 7.06 | 0.5827 |
| 127.5 | 135.0 | 5.847 | 0.7261 |
| 127.5 | 165.0 | 5.337 | 1.32 |
| 127.5 | 195.0 | 4.313 | 0.6628 |
| 127.5 | 225.0 | 5.644 | 0.8562 |
| 127.5 | 255.0 | 7.697 | 0.6291 |
| 127.5 | 285.0 | 6.452 | 0.767 |
| 127.5 | 315.0 | 4.9 | 0.5696 |
| 127.5 | 345.0 | 4.475 | 1.325 |
| 142.5 | 15.0 | 5.337 | 1.471 |
| 142.5 | 45.0 | 6.631 | 1.098 |
| 142.5 | 75.0 | 8.109 | 2.001 |
| 142.5 | 105.0 | 6.995 | 1.464 |
| 142.5 | 255.0 | 10.49 | 2.403 |
| 142.5 | 285.0 | 7.55 | 1.672 |
| 142.5 | 315.0 | 8.135 | 1.235 |
| 142.5 | 345.0 | 5.33 | 1.805 |
Measurement comment:
Experiment comment: