Measurement E8M36
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.35 — 0.45 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 | 12.32 | 1.198 |
| 7.5 | 45.0 | 12.52 | 1.403 |
| 7.5 | 75.0 | 18.06 | 1.984 |
| 7.5 | 105.0 | 14.78 | 1.702 |
| 7.5 | 135.0 | 15.0 | 1.958 |
| 7.5 | 165.0 | 15.21 | 4.404 |
| 7.5 | 195.0 | 14.98 | 3.067 |
| 7.5 | 225.0 | 17.78 | 2.363 |
| 7.5 | 255.0 | 14.19 | 1.607 |
| 7.5 | 285.0 | 13.58 | 1.565 |
| 7.5 | 315.0 | 16.4 | 1.946 |
| 7.5 | 345.0 | 12.6 | 1.379 |
| 22.5 | 15.0 | 11.77 | 0.9612 |
| 22.5 | 45.0 | 10.31 | 1.676 |
| 22.5 | 75.0 | 13.46 | 1.707 |
| 22.5 | 105.0 | 13.2 | 2.292 |
| 22.5 | 285.0 | 13.13 | 2.047 |
| 22.5 | 315.0 | 14.08 | 2.688 |
| 22.5 | 345.0 | 10.46 | 0.9601 |
| 37.5 | 45.0 | 10.04 | 1.544 |
| 37.5 | 75.0 | 13.75 | 3.642 |
| 37.5 | 135.0 | 8.744 | 0.6081 |
| 37.5 | 165.0 | 7.558 | 0.3914 |
| 37.5 | 195.0 | 7.878 | 0.406 |
| 37.5 | 225.0 | 9.826 | 0.7165 |
| 37.5 | 285.0 | 14.35 | 2.202 |
| 37.5 | 315.0 | 9.056 | 0.9053 |
| 52.5 | 45.0 | 6.744 | 0.5021 |
| 52.5 | 75.0 | 8.863 | 1.933 |
| 52.5 | 105.0 | 8.678 | 0.5304 |
| 52.5 | 135.0 | 7.511 | 0.4971 |
| 52.5 | 165.0 | 6.241 | 0.3184 |
| 52.5 | 195.0 | 5.862 | 0.303 |
| 52.5 | 225.0 | 7.723 | 0.5105 |
| 52.5 | 255.0 | 8.411 | 0.4976 |
| 52.5 | 285.0 | 8.891 | 1.487 |
| 52.5 | 315.0 | 7.03 | 0.4334 |
| 67.5 | 45.0 | 4.276 | 0.8007 |
| 67.5 | 75.0 | 6.343 | 0.5644 |
| 67.5 | 105.0 | 7.642 | 0.3695 |
| 67.5 | 135.0 | 5.904 | 0.4176 |
| 67.5 | 165.0 | 4.443 | 0.2474 |
| 67.5 | 195.0 | 4.776 | 0.2668 |
| 67.5 | 225.0 | 7.0 | 0.55 |
| 67.5 | 255.0 | 6.682 | 0.3303 |
| 67.5 | 285.0 | 5.582 | 0.3853 |
| 67.5 | 315.0 | 3.582 | 0.5907 |
| 82.5 | 15.0 | 3.148 | 0.8604 |
| 82.5 | 45.0 | 3.965 | 1.189 |
| 82.5 | 75.0 | 5.46 | 0.3314 |
| 82.5 | 105.0 | 5.735 | 0.2935 |
| 82.5 | 135.0 | 5.362 | 0.4134 |
| 82.5 | 165.0 | 3.786 | 0.2764 |
| 82.5 | 195.0 | 3.913 | 0.2646 |
| 82.5 | 225.0 | 4.587 | 0.3728 |
| 82.5 | 255.0 | 5.585 | 0.2666 |
| 82.5 | 285.0 | 5.472 | 0.3097 |
| 82.5 | 315.0 | 3.996 | 1.016 |
| 82.5 | 345.0 | 3.507 | 1.03 |
| 97.5 | 45.0 | 2.362 | 0.1659 |
| 97.5 | 75.0 | 4.938 | 0.4137 |
| 97.5 | 105.0 | 4.746 | 0.2672 |
| 97.5 | 135.0 | 3.644 | 0.2727 |
| 97.5 | 165.0 | 2.979 | 0.2002 |
| 97.5 | 195.0 | 3.169 | 0.2161 |
| 97.5 | 225.0 | 4.011 | 0.3087 |
| 97.5 | 255.0 | 4.66 | 0.2476 |
| 97.5 | 285.0 | 3.528 | 0.2832 |
| 97.5 | 315.0 | 2.52 | 0.1828 |
| 112.5 | 15.0 | 0.8353 | 0.127 |
| 112.5 | 45.0 | 1.681 | 0.1472 |
| 112.5 | 75.0 | 3.197 | 0.3346 |
| 112.5 | 105.0 | 3.209 | 0.2085 |
| 112.5 | 135.0 | 2.952 | 0.2845 |
| 112.5 | 165.0 | 2.605 | 0.2541 |
| 112.5 | 195.0 | 2.295 | 0.237 |
| 112.5 | 225.0 | 2.813 | 0.2542 |
| 112.5 | 255.0 | 3.102 | 0.2009 |
| 112.5 | 285.0 | 2.806 | 0.2945 |
| 112.5 | 315.0 | 1.582 | 0.1505 |
| 112.5 | 345.0 | 0.9394 | 0.1307 |
| 127.5 | 15.0 | 0.7188 | 0.1264 |
| 127.5 | 45.0 | 1.175 | 0.1493 |
| 127.5 | 75.0 | 1.699 | 0.1839 |
| 127.5 | 105.0 | 2.284 | 0.2795 |
| 127.5 | 135.0 | 2.216 | 0.3336 |
| 127.5 | 165.0 | 1.469 | 0.2828 |
| 127.5 | 195.0 | 1.307 | 0.2291 |
| 127.5 | 225.0 | 1.779 | 0.2206 |
| 127.5 | 255.0 | 1.598 | 0.1646 |
| 127.5 | 285.0 | 1.768 | 0.2033 |
| 127.5 | 315.0 | 1.175 | 0.1531 |
| 127.5 | 345.0 | 0.4192 | 0.08939 |
| 142.5 | 15.0 | 0.376 | 0.09594 |
| 142.5 | 45.0 | 0.7113 | 0.1217 |
| 142.5 | 75.0 | 0.9683 | 0.1175 |
| 142.5 | 105.0 | 1.539 | 0.5916 |
| 142.5 | 255.0 | 1.905 | 0.4249 |
| 142.5 | 285.0 | 0.9009 | 0.1444 |
| 142.5 | 315.0 | 0.5267 | 0.1052 |
| 142.5 | 345.0 | 0.3957 | 0.1198 |
| 157.5 | 15.0 | 0.272 | 0.1239 |
| 157.5 | 45.0 | 0.2756 | 0.1193 |
| 157.5 | 315.0 | 0.7373 | 0.4464 |
| 157.5 | 345.0 | 0.5098 | 0.1325 |
Measurement comment:
Experiment comment: