Measurement E8M59
| 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: | 1.32 — 1.34 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 13.73 | 1.753 |
| 7.5 | 45.0 | 12.68 | 1.631 |
| 7.5 | 75.0 | 10.04 | 1.504 |
| 7.5 | 105.0 | 12.08 | 1.844 |
| 7.5 | 135.0 | 12.14 | 2.217 |
| 7.5 | 165.0 | 7.766 | 1.735 |
| 7.5 | 195.0 | 20.68 | 5.09 |
| 7.5 | 225.0 | 10.39 | 2.016 |
| 7.5 | 255.0 | 11.72 | 2.015 |
| 7.5 | 285.0 | 10.72 | 1.486 |
| 7.5 | 315.0 | 12.8 | 1.761 |
| 7.5 | 345.0 | 13.64 | 1.753 |
| 22.5 | 15.0 | 11.15 | 1.022 |
| 22.5 | 45.0 | 11.15 | 2.363 |
| 22.5 | 75.0 | 12.11 | 1.666 |
| 22.5 | 105.0 | 13.57 | 2.562 |
| 22.5 | 255.0 | 12.25 | 1.897 |
| 22.5 | 285.0 | 12.84 | 1.601 |
| 22.5 | 315.0 | 12.7 | 2.167 |
| 22.5 | 345.0 | 12.98 | 1.282 |
| 37.5 | 45.0 | 10.12 | 1.673 |
| 37.5 | 75.0 | 9.104 | 0.9899 |
| 37.5 | 135.0 | 6.847 | 0.8093 |
| 37.5 | 165.0 | 6.947 | 0.4089 |
| 37.5 | 195.0 | 6.083 | 0.381 |
| 37.5 | 225.0 | 8.829 | 1.579 |
| 37.5 | 285.0 | 10.19 | 1.176 |
| 37.5 | 315.0 | 7.762 | 1.138 |
| 52.5 | 45.0 | 6.627 | 0.4829 |
| 52.5 | 75.0 | 11.46 | 3.844 |
| 52.5 | 105.0 | 7.148 | 0.652 |
| 52.5 | 135.0 | 6.754 | 0.4709 |
| 52.5 | 165.0 | 5.059 | 0.2793 |
| 52.5 | 195.0 | 4.92 | 0.2839 |
| 52.5 | 225.0 | 6.306 | 0.4307 |
| 52.5 | 255.0 | 6.635 | 0.5673 |
| 52.5 | 285.0 | 6.872 | 1.532 |
| 52.5 | 315.0 | 6.742 | 0.5389 |
| 67.5 | 45.0 | 6.645 | 1.891 |
| 67.5 | 75.0 | 5.67 | 0.6457 |
| 67.5 | 105.0 | 6.494 | 0.3638 |
| 67.5 | 135.0 | 5.393 | 0.4108 |
| 67.5 | 165.0 | 4.388 | 0.2707 |
| 67.5 | 195.0 | 4.62 | 0.2689 |
| 67.5 | 225.0 | 4.904 | 0.359 |
| 67.5 | 255.0 | 6.264 | 0.3375 |
| 67.5 | 285.0 | 4.682 | 0.4344 |
| 67.5 | 315.0 | 6.083 | 1.196 |
| 82.5 | 15.0 | 2.038 | 0.4055 |
| 82.5 | 45.0 | 2.695 | 0.5218 |
| 82.5 | 75.0 | 4.345 | 0.313 |
| 82.5 | 105.0 | 5.078 | 0.3027 |
| 82.5 | 135.0 | 4.36 | 0.3484 |
| 82.5 | 165.0 | 2.952 | 0.2252 |
| 82.5 | 195.0 | 3.779 | 0.2701 |
| 82.5 | 225.0 | 4.554 | 0.3785 |
| 82.5 | 255.0 | 5.092 | 0.2974 |
| 82.5 | 285.0 | 4.229 | 0.2919 |
| 82.5 | 315.0 | 6.468 | 2.45 |
| 82.5 | 345.0 | 1.738 | 0.5362 |
| 97.5 | 15.0 | 1.066 | 0.4052 |
| 97.5 | 45.0 | 2.395 | 0.2115 |
| 97.5 | 75.0 | 3.479 | 0.3147 |
| 97.5 | 105.0 | 3.552 | 0.2321 |
| 97.5 | 135.0 | 3.61 | 0.3192 |
| 97.5 | 165.0 | 2.505 | 0.2061 |
| 97.5 | 195.0 | 2.826 | 0.2341 |
| 97.5 | 225.0 | 2.879 | 0.303 |
| 97.5 | 255.0 | 3.798 | 0.2613 |
| 97.5 | 285.0 | 3.092 | 0.2812 |
| 97.5 | 315.0 | 2.005 | 0.1866 |
| 112.5 | 15.0 | 1.084 | 0.3014 |
| 112.5 | 45.0 | 1.222 | 0.1546 |
| 112.5 | 75.0 | 1.935 | 0.2294 |
| 112.5 | 105.0 | 2.561 | 0.2386 |
| 112.5 | 135.0 | 2.382 | 0.2336 |
| 112.5 | 165.0 | 1.869 | 0.1939 |
| 112.5 | 195.0 | 1.779 | 0.1837 |
| 112.5 | 225.0 | 2.058 | 0.1982 |
| 112.5 | 255.0 | 2.716 | 0.2432 |
| 112.5 | 285.0 | 2.297 | 0.2813 |
| 112.5 | 315.0 | 1.809 | 0.1886 |
| 112.5 | 345.0 | 1.537 | 0.4171 |
| 127.5 | 15.0 | 0.5744 | 0.1136 |
| 127.5 | 45.0 | 1.209 | 0.2354 |
| 127.5 | 75.0 | 1.75 | 0.2389 |
| 127.5 | 105.0 | 1.537 | 0.175 |
| 127.5 | 135.0 | 1.954 | 0.2944 |
| 127.5 | 165.0 | 1.423 | 0.2376 |
| 127.5 | 195.0 | 2.445 | 1.003 |
| 127.5 | 225.0 | 1.53 | 0.2108 |
| 127.5 | 255.0 | 1.94 | 0.2499 |
| 127.5 | 285.0 | 1.582 | 0.2602 |
| 127.5 | 315.0 | 1.081 | 0.1596 |
| 127.5 | 345.0 | 0.5485 | 0.13 |
| 142.5 | 15.0 | 0.5836 | 0.1605 |
| 142.5 | 45.0 | 0.5452 | 0.1117 |
| 142.5 | 75.0 | 0.7797 | 0.1222 |
| 142.5 | 105.0 | 0.643 | 0.1679 |
| 142.5 | 255.0 | 1.702 | 0.645 |
| 142.5 | 285.0 | 0.8003 | 0.1274 |
| 142.5 | 315.0 | 0.5509 | 0.1094 |
| 142.5 | 345.0 | 0.3436 | 0.08679 |
| 157.5 | 15.0 | 0.5388 | 0.2653 |
| 157.5 | 285.0 | 0.615 | 0.1632 |
| 157.5 | 345.0 | 0.3207 | 0.1273 |
Measurement comment:
Experiment comment: