Measurement E8M35
| 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: | 1.3 — 1.32 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 13.42 | 1.358 |
| 7.5 | 45.0 | 16.31 | 1.859 |
| 7.5 | 75.0 | 18.95 | 2.117 |
| 7.5 | 105.0 | 15.81 | 2.114 |
| 7.5 | 255.0 | 20.49 | 4.643 |
| 7.5 | 285.0 | 13.06 | 1.664 |
| 7.5 | 315.0 | 12.51 | 1.475 |
| 7.5 | 345.0 | 15.56 | 1.655 |
| 22.5 | 15.0 | 11.85 | 0.945 |
| 22.5 | 45.0 | 12.13 | 1.643 |
| 22.5 | 75.0 | 15.05 | 2.282 |
| 22.5 | 165.0 | 12.34 | 1.865 |
| 22.5 | 195.0 | 12.85 | 1.981 |
| 22.5 | 285.0 | 16.76 | 5.001 |
| 22.5 | 315.0 | 11.85 | 1.814 |
| 22.5 | 345.0 | 13.21 | 1.397 |
| 37.5 | 45.0 | 12.63 | 4.022 |
| 37.5 | 75.0 | 9.731 | 1.377 |
| 37.5 | 105.0 | 10.69 | 2.877 |
| 37.5 | 135.0 | 11.39 | 0.6916 |
| 37.5 | 165.0 | 8.383 | 0.4213 |
| 37.5 | 195.0 | 8.596 | 0.4168 |
| 37.5 | 225.0 | 9.506 | 0.6013 |
| 37.5 | 255.0 | 10.55 | 1.514 |
| 37.5 | 315.0 | 10.53 | 2.226 |
| 52.5 | 45.0 | 8.277 | 0.5388 |
| 52.5 | 105.0 | 11.24 | 0.6316 |
| 52.5 | 135.0 | 8.489 | 0.5467 |
| 52.5 | 165.0 | 7.396 | 0.3789 |
| 52.5 | 195.0 | 7.054 | 0.3624 |
| 52.5 | 225.0 | 9.995 | 0.6582 |
| 52.5 | 255.0 | 8.884 | 0.5253 |
| 52.5 | 285.0 | 7.87 | 1.012 |
| 52.5 | 315.0 | 8.65 | 0.5057 |
| 67.5 | 45.0 | 5.912 | 1.184 |
| 67.5 | 75.0 | 6.384 | 0.3479 |
| 67.5 | 105.0 | 7.654 | 0.3812 |
| 67.5 | 135.0 | 6.564 | 0.4483 |
| 67.5 | 165.0 | 5.097 | 0.2785 |
| 67.5 | 195.0 | 5.362 | 0.2943 |
| 67.5 | 225.0 | 7.848 | 0.5369 |
| 67.5 | 255.0 | 9.132 | 0.4332 |
| 67.5 | 285.0 | 7.361 | 0.7346 |
| 67.5 | 315.0 | 5.98 | 1.204 |
| 82.5 | 15.0 | 2.427 | 0.4597 |
| 82.5 | 45.0 | 6.284 | 2.106 |
| 82.5 | 75.0 | 6.08 | 0.3452 |
| 82.5 | 105.0 | 6.561 | 0.3197 |
| 82.5 | 135.0 | 5.751 | 0.4246 |
| 82.5 | 165.0 | 4.271 | 0.2927 |
| 82.5 | 195.0 | 4.068 | 0.2752 |
| 82.5 | 225.0 | 5.769 | 0.4354 |
| 82.5 | 255.0 | 7.392 | 0.3394 |
| 82.5 | 285.0 | 6.03 | 0.3256 |
| 82.5 | 315.0 | 4.548 | 0.9005 |
| 97.5 | 45.0 | 3.802 | 0.2943 |
| 97.5 | 75.0 | 4.755 | 0.3926 |
| 97.5 | 105.0 | 5.068 | 0.279 |
| 97.5 | 135.0 | 4.935 | 0.3249 |
| 97.5 | 165.0 | 3.488 | 0.2413 |
| 97.5 | 195.0 | 3.341 | 0.2172 |
| 97.5 | 225.0 | 4.855 | 0.3542 |
| 97.5 | 255.0 | 5.707 | 0.2862 |
| 97.5 | 285.0 | 4.995 | 0.3817 |
| 97.5 | 315.0 | 3.356 | 0.2286 |
| 112.5 | 15.0 | 1.896 | 0.3221 |
| 112.5 | 45.0 | 2.526 | 0.1977 |
| 112.5 | 75.0 | 3.319 | 0.2923 |
| 112.5 | 105.0 | 4.241 | 0.2638 |
| 112.5 | 135.0 | 3.455 | 0.3101 |
| 112.5 | 165.0 | 2.886 | 0.2752 |
| 112.5 | 195.0 | 2.39 | 0.222 |
| 112.5 | 225.0 | 3.366 | 0.2778 |
| 112.5 | 255.0 | 3.394 | 0.2106 |
| 112.5 | 285.0 | 2.635 | 0.2574 |
| 112.5 | 315.0 | 2.17 | 0.196 |
| 112.5 | 345.0 | 1.279 | 0.1754 |
| 127.5 | 15.0 | 0.9033 | 0.1593 |
| 127.5 | 45.0 | 1.598 | 0.1747 |
| 127.5 | 75.0 | 2.189 | 0.2272 |
| 127.5 | 105.0 | 2.464 | 0.2439 |
| 127.5 | 135.0 | 2.08 | 0.2593 |
| 127.5 | 165.0 | 1.596 | 0.3399 |
| 127.5 | 195.0 | 1.563 | 0.3183 |
| 127.5 | 225.0 | 1.709 | 0.1981 |
| 127.5 | 255.0 | 2.567 | 0.2817 |
| 127.5 | 285.0 | 2.532 | 0.2541 |
| 127.5 | 315.0 | 1.934 | 0.2199 |
| 127.5 | 345.0 | 0.82 | 0.1501 |
| 142.5 | 15.0 | 1.035 | 0.2556 |
| 142.5 | 45.0 | 1.431 | 0.2059 |
| 142.5 | 75.0 | 1.772 | 0.2044 |
| 142.5 | 105.0 | 1.62 | 0.7643 |
| 142.5 | 255.0 | 1.21 | 0.2755 |
| 142.5 | 285.0 | 1.186 | 0.1827 |
| 142.5 | 315.0 | 1.335 | 0.215 |
| 142.5 | 345.0 | 1.117 | 0.2056 |
| 157.5 | 15.0 | 0.8483 | 0.2732 |
| 157.5 | 75.0 | 0.6935 | 0.3306 |
| 157.5 | 345.0 | 0.9206 | 0.3036 |
Measurement comment:
Experiment comment: