Measurement E8M48
| 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: | 1.1 — 1.12 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 75.0 | 4.42 | 1.94 |
| 7.5 | 195.0 | 5.38 | 3.296 |
| 7.5 | 315.0 | 1.599 | 0.6646 |
| 22.5 | 15.0 | 2.227 | 0.6019 |
| 22.5 | 45.0 | 2.927 | 0.9777 |
| 22.5 | 75.0 | 1.596 | 0.6038 |
| 22.5 | 105.0 | 2.001 | 0.4203 |
| 22.5 | 135.0 | 3.57 | 0.7206 |
| 22.5 | 165.0 | 3.506 | 0.8821 |
| 22.5 | 195.0 | 3.4 | 0.6972 |
| 22.5 | 225.0 | 3.479 | 0.7809 |
| 22.5 | 255.0 | 2.954 | 0.603 |
| 22.5 | 285.0 | 2.286 | 0.5132 |
| 22.5 | 315.0 | 3.796 | 1.182 |
| 22.5 | 345.0 | 3.109 | 1.639 |
| 37.5 | 15.0 | 2.606 | 0.5958 |
| 37.5 | 45.0 | 4.211 | 1.533 |
| 37.5 | 75.0 | 4.815 | 1.62 |
| 37.5 | 105.0 | 2.371 | 0.4384 |
| 37.5 | 135.0 | 3.021 | 0.5452 |
| 37.5 | 165.0 | 2.363 | 0.3942 |
| 37.5 | 195.0 | 3.277 | 0.5063 |
| 37.5 | 225.0 | 3.82 | 0.5645 |
| 37.5 | 255.0 | 3.487 | 0.9722 |
| 37.5 | 285.0 | 2.63 | 0.606 |
| 37.5 | 315.0 | 2.378 | 0.5849 |
| 37.5 | 345.0 | 1.986 | 0.5496 |
| 52.5 | 15.0 | 2.509 | 1.091 |
| 52.5 | 45.0 | 2.743 | 1.207 |
| 52.5 | 75.0 | 2.594 | 0.7644 |
| 52.5 | 105.0 | 2.584 | 0.5775 |
| 52.5 | 135.0 | 2.733 | 0.438 |
| 52.5 | 165.0 | 3.278 | 0.4876 |
| 52.5 | 195.0 | 3.435 | 0.4438 |
| 52.5 | 225.0 | 4.111 | 0.8039 |
| 52.5 | 255.0 | 3.772 | 1.073 |
| 52.5 | 285.0 | 2.322 | 0.8051 |
| 52.5 | 315.0 | 1.65 | 0.962 |
| 52.5 | 345.0 | 2.511 | 1.233 |
| 67.5 | 45.0 | 1.888 | 0.5221 |
| 67.5 | 75.0 | 2.564 | 0.5154 |
| 67.5 | 105.0 | 3.389 | 0.7353 |
| 67.5 | 135.0 | 4.42 | 0.8442 |
| 67.5 | 165.0 | 3.271 | 0.5171 |
| 67.5 | 195.0 | 3.584 | 0.557 |
| 67.5 | 225.0 | 4.153 | 0.89 |
| 67.5 | 255.0 | 4.642 | 0.8986 |
| 67.5 | 285.0 | 3.024 | 0.4952 |
| 67.5 | 315.0 | 1.584 | 0.5028 |
| 82.5 | 45.0 | 1.959 | 0.3781 |
| 82.5 | 75.0 | 2.362 | 0.3947 |
| 82.5 | 105.0 | 3.551 | 0.8494 |
| 82.5 | 135.0 | 3.714 | 0.7775 |
| 82.5 | 165.0 | 2.922 | 0.3353 |
| 82.5 | 195.0 | 3.521 | 0.3841 |
| 82.5 | 225.0 | 3.017 | 0.7954 |
| 82.5 | 255.0 | 3.176 | 0.5097 |
| 82.5 | 285.0 | 2.025 | 0.2953 |
| 82.5 | 315.0 | 1.839 | 0.4005 |
| 97.5 | 45.0 | 1.877 | 0.7778 |
| 97.5 | 75.0 | 2.09 | 0.3266 |
| 97.5 | 105.0 | 3.038 | 0.4722 |
| 97.5 | 135.0 | 2.924 | 0.582 |
| 97.5 | 165.0 | 2.584 | 0.3758 |
| 97.5 | 195.0 | 1.96 | 0.2818 |
| 97.5 | 225.0 | 2.389 | 0.4489 |
| 97.5 | 255.0 | 2.716 | 0.404 |
| 97.5 | 285.0 | 2.808 | 0.4884 |
| 97.5 | 315.0 | 1.769 | 0.5579 |
| 112.5 | 75.0 | 3.547 | 0.734 |
| 112.5 | 105.0 | 2.58 | 0.3738 |
| 112.5 | 135.0 | 3.187 | 0.9207 |
| 112.5 | 165.0 | 2.889 | 0.579 |
| 112.5 | 195.0 | 2.887 | 0.567 |
| 112.5 | 225.0 | 2.608 | 0.7342 |
| 112.5 | 255.0 | 2.581 | 0.4016 |
| 112.5 | 285.0 | 3.402 | 0.5406 |
| 127.5 | 45.0 | 1.563 | 0.8937 |
| 127.5 | 75.0 | 3.848 | 1.439 |
| 127.5 | 105.0 | 4.267 | 0.8992 |
| 127.5 | 165.0 | 2.405 | 1.14 |
| 127.5 | 195.0 | 3.566 | 1.364 |
| 127.5 | 225.0 | 2.319 | 0.933 |
| 127.5 | 255.0 | 4.247 | 1.081 |
| 127.5 | 285.0 | 5.61 | 1.947 |
Measurement comment:
Experiment comment: