Measurement E8M65
| 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: | 1.44 — 1.46 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 8.467 | 1.213 |
| 7.5 | 45.0 | 9.055 | 1.471 |
| 7.5 | 75.0 | 5.204 | 0.9336 |
| 7.5 | 105.0 | 4.122 | 0.7539 |
| 7.5 | 135.0 | 6.727 | 1.058 |
| 7.5 | 165.0 | 5.874 | 0.8148 |
| 7.5 | 195.0 | 6.364 | 1.206 |
| 7.5 | 225.0 | 7.172 | 1.21 |
| 7.5 | 255.0 | 7.233 | 1.223 |
| 7.5 | 285.0 | 10.57 | 1.844 |
| 7.5 | 315.0 | 5.71 | 1.144 |
| 7.5 | 345.0 | 5.666 | 0.8806 |
| 22.5 | 45.0 | 7.338 | 1.553 |
| 22.5 | 75.0 | 8.728 | 1.367 |
| 22.5 | 105.0 | 6.009 | 0.8378 |
| 22.5 | 135.0 | 6.713 | 0.9483 |
| 22.5 | 165.0 | 3.941 | 0.4882 |
| 22.5 | 195.0 | 3.753 | 0.4054 |
| 22.5 | 225.0 | 4.546 | 0.5994 |
| 22.5 | 255.0 | 8.938 | 1.543 |
| 22.5 | 285.0 | 5.589 | 0.908 |
| 22.5 | 315.0 | 7.783 | 1.918 |
| 37.5 | 45.0 | 7.059 | 0.7609 |
| 37.5 | 75.0 | 7.169 | 0.5148 |
| 37.5 | 105.0 | 5.371 | 0.5842 |
| 37.5 | 135.0 | 5.061 | 1.102 |
| 37.5 | 225.0 | 6.602 | 1.99 |
| 37.5 | 255.0 | 6.642 | 0.7458 |
| 37.5 | 285.0 | 6.805 | 0.4827 |
| 37.5 | 315.0 | 4.964 | 0.6054 |
| 52.5 | 45.0 | 5.135 | 0.5646 |
| 52.5 | 75.0 | 6.836 | 0.4122 |
| 52.5 | 105.0 | 5.587 | 1.223 |
| 52.5 | 165.0 | 2.52 | 0.2486 |
| 52.5 | 195.0 | 2.578 | 0.2374 |
| 52.5 | 255.0 | 5.815 | 1.533 |
| 52.5 | 285.0 | 6.191 | 0.3944 |
| 52.5 | 315.0 | 5.76 | 0.7183 |
| 67.5 | 15.0 | 2.57 | 0.3488 |
| 67.5 | 45.0 | 4.027 | 0.3479 |
| 67.5 | 75.0 | 4.858 | 0.7819 |
| 67.5 | 105.0 | 4.634 | 0.3857 |
| 67.5 | 135.0 | 3.802 | 0.2887 |
| 67.5 | 165.0 | 2.689 | 0.1869 |
| 67.5 | 195.0 | 2.409 | 0.168 |
| 67.5 | 225.0 | 4.19 | 0.3109 |
| 67.5 | 255.0 | 4.691 | 0.3337 |
| 67.5 | 285.0 | 5.047 | 0.9059 |
| 67.5 | 315.0 | 3.627 | 0.3592 |
| 67.5 | 345.0 | 3.051 | 0.53 |
| 82.5 | 15.0 | 1.584 | 0.2806 |
| 82.5 | 45.0 | 3.482 | 0.5656 |
| 82.5 | 75.0 | 5.064 | 1.378 |
| 82.5 | 105.0 | 3.765 | 0.215 |
| 82.5 | 135.0 | 3.555 | 0.3008 |
| 82.5 | 165.0 | 2.579 | 0.205 |
| 82.5 | 195.0 | 2.009 | 0.1635 |
| 82.5 | 225.0 | 3.535 | 0.299 |
| 82.5 | 255.0 | 4.504 | 0.2517 |
| 82.5 | 285.0 | 3.958 | 0.3814 |
| 82.5 | 315.0 | 2.878 | 0.3746 |
| 82.5 | 345.0 | 2.295 | 1.125 |
| 97.5 | 15.0 | 0.7196 | 0.3541 |
| 97.5 | 45.0 | 1.805 | 0.1907 |
| 97.5 | 75.0 | 3.38 | 0.2992 |
| 97.5 | 105.0 | 3.082 | 0.1971 |
| 97.5 | 135.0 | 2.634 | 0.2551 |
| 97.5 | 165.0 | 1.932 | 0.2196 |
| 97.5 | 195.0 | 1.885 | 0.2106 |
| 97.5 | 225.0 | 2.731 | 0.2765 |
| 97.5 | 255.0 | 2.727 | 0.2011 |
| 97.5 | 285.0 | 2.891 | 0.2689 |
| 97.5 | 315.0 | 1.919 | 0.203 |
| 112.5 | 15.0 | 1.059 | 0.2656 |
| 112.5 | 45.0 | 1.754 | 0.4065 |
| 112.5 | 75.0 | 2.209 | 0.261 |
| 112.5 | 105.0 | 1.765 | 0.1743 |
| 112.5 | 135.0 | 1.712 | 0.1977 |
| 112.5 | 165.0 | 1.522 | 0.1809 |
| 112.5 | 195.0 | 1.381 | 0.1591 |
| 112.5 | 225.0 | 1.727 | 0.1766 |
| 112.5 | 255.0 | 1.928 | 0.2013 |
| 112.5 | 285.0 | 1.975 | 0.2518 |
| 112.5 | 315.0 | 1.06 | 0.1479 |
| 127.5 | 15.0 | 0.5414 | 0.1374 |
| 127.5 | 45.0 | 0.5986 | 0.1002 |
| 127.5 | 75.0 | 1.453 | 0.2212 |
| 127.5 | 105.0 | 1.543 | 0.189 |
| 127.5 | 135.0 | 0.9903 | 0.1464 |
| 127.5 | 165.0 | 1.312 | 0.2667 |
| 127.5 | 195.0 | 1.472 | 0.325 |
| 127.5 | 225.0 | 1.591 | 0.2677 |
| 127.5 | 255.0 | 1.45 | 0.1726 |
| 127.5 | 285.0 | 1.038 | 0.1444 |
| 127.5 | 315.0 | 0.8966 | 0.1497 |
| 127.5 | 345.0 | 0.6406 | 0.1792 |
| 142.5 | 15.0 | 0.2582 | 0.08403 |
| 142.5 | 45.0 | 0.5266 | 0.1521 |
| 142.5 | 75.0 | 0.6521 | 0.1243 |
| 142.5 | 105.0 | 0.978 | 0.2988 |
| 142.5 | 135.0 | 0.5185 | 0.1638 |
| 142.5 | 225.0 | 1.533 | 0.7257 |
| 142.5 | 285.0 | 0.7301 | 0.1384 |
| 142.5 | 315.0 | 0.4135 | 0.1248 |
| 142.5 | 345.0 | 0.2132 | 0.06908 |
| 157.5 | 15.0 | 0.1891 | 0.1523 |
| 157.5 | 345.0 | 0.4109 | 0.1934 |
Measurement comment:
Experiment comment: