Measurement E8M33
| 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: | 1.26 — 1.28 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 16.25 | 2.319 |
| 7.5 | 45.0 | 15.39 | 2.035 |
| 7.5 | 315.0 | 16.33 | 3.167 |
| 7.5 | 345.0 | 14.79 | 1.965 |
| 22.5 | 15.0 | 14.77 | 1.093 |
| 22.5 | 45.0 | 15.53 | 1.683 |
| 22.5 | 105.0 | 16.81 | 4.164 |
| 22.5 | 135.0 | 12.63 | 0.8 |
| 22.5 | 165.0 | 14.36 | 0.8397 |
| 22.5 | 195.0 | 13.04 | 0.75 |
| 22.5 | 225.0 | 13.43 | 0.8601 |
| 22.5 | 255.0 | 10.22 | 1.431 |
| 22.5 | 315.0 | 15.39 | 1.878 |
| 22.5 | 345.0 | 14.33 | 1.192 |
| 37.5 | 15.0 | 9.275 | 2.583 |
| 37.5 | 45.0 | 12.15 | 2.089 |
| 37.5 | 105.0 | 12.85 | 1.128 |
| 37.5 | 135.0 | 12.62 | 0.6876 |
| 37.5 | 165.0 | 10.58 | 0.4875 |
| 37.5 | 195.0 | 12.04 | 0.5421 |
| 37.5 | 225.0 | 13.25 | 0.7415 |
| 37.5 | 255.0 | 14.22 | 1.17 |
| 37.5 | 315.0 | 12.37 | 3.099 |
| 37.5 | 345.0 | 10.63 | 2.227 |
| 52.5 | 45.0 | 12.29 | 1.007 |
| 52.5 | 75.0 | 10.02 | 1.003 |
| 52.5 | 105.0 | 14.39 | 0.7977 |
| 52.5 | 135.0 | 11.67 | 0.704 |
| 52.5 | 165.0 | 9.442 | 0.4348 |
| 52.5 | 195.0 | 10.27 | 0.4568 |
| 52.5 | 225.0 | 11.34 | 0.6898 |
| 52.5 | 255.0 | 13.6 | 0.7853 |
| 52.5 | 285.0 | 12.6 | 1.925 |
| 52.5 | 315.0 | 10.65 | 0.7699 |
| 67.5 | 45.0 | 7.409 | 1.246 |
| 67.5 | 75.0 | 11.79 | 0.4979 |
| 67.5 | 105.0 | 11.87 | 0.539 |
| 67.5 | 135.0 | 10.68 | 0.658 |
| 67.5 | 165.0 | 8.237 | 0.4337 |
| 67.5 | 195.0 | 7.606 | 0.3854 |
| 67.5 | 225.0 | 11.39 | 0.7129 |
| 67.5 | 255.0 | 12.17 | 0.5396 |
| 67.5 | 285.0 | 11.47 | 0.4926 |
| 67.5 | 315.0 | 7.745 | 1.37 |
| 82.5 | 15.0 | 5.278 | 1.578 |
| 82.5 | 45.0 | 7.521 | 0.8423 |
| 82.5 | 75.0 | 10.55 | 0.5043 |
| 82.5 | 105.0 | 11.85 | 0.4944 |
| 82.5 | 135.0 | 9.443 | 0.6018 |
| 82.5 | 165.0 | 6.719 | 0.3812 |
| 82.5 | 195.0 | 6.834 | 0.3989 |
| 82.5 | 225.0 | 9.851 | 0.6537 |
| 82.5 | 255.0 | 11.34 | 0.4501 |
| 82.5 | 285.0 | 10.45 | 0.4559 |
| 82.5 | 315.0 | 7.046 | 0.7567 |
| 82.5 | 345.0 | 5.768 | 1.445 |
| 97.5 | 15.0 | 4.796 | 1.226 |
| 97.5 | 45.0 | 6.224 | 0.3575 |
| 97.5 | 75.0 | 8.946 | 0.5442 |
| 97.5 | 105.0 | 10.22 | 0.4417 |
| 97.5 | 135.0 | 8.54 | 0.4843 |
| 97.5 | 165.0 | 5.674 | 0.3313 |
| 97.5 | 195.0 | 5.957 | 0.3707 |
| 97.5 | 225.0 | 6.89 | 0.4102 |
| 97.5 | 255.0 | 9.588 | 0.4016 |
| 97.5 | 285.0 | 9.13 | 0.519 |
| 97.5 | 315.0 | 6.434 | 0.3789 |
| 97.5 | 345.0 | 3.101 | 0.7435 |
| 112.5 | 15.0 | 4.027 | 0.3912 |
| 112.5 | 45.0 | 5.257 | 0.3073 |
| 112.5 | 75.0 | 7.981 | 0.5499 |
| 112.5 | 105.0 | 7.715 | 0.3711 |
| 112.5 | 135.0 | 5.868 | 0.4271 |
| 112.5 | 165.0 | 4.86 | 0.4195 |
| 112.5 | 195.0 | 4.504 | 0.3687 |
| 112.5 | 225.0 | 6.212 | 0.4439 |
| 112.5 | 255.0 | 7.538 | 0.349 |
| 112.5 | 285.0 | 6.58 | 0.4622 |
| 112.5 | 315.0 | 5.028 | 0.3088 |
| 112.5 | 345.0 | 3.612 | 0.3401 |
| 127.5 | 15.0 | 3.01 | 0.3414 |
| 127.5 | 45.0 | 4.143 | 0.3099 |
| 127.5 | 75.0 | 5.464 | 0.3908 |
| 127.5 | 105.0 | 6.642 | 0.518 |
| 127.5 | 135.0 | 4.183 | 0.4841 |
| 127.5 | 165.0 | 3.224 | 0.7189 |
| 127.5 | 195.0 | 4.176 | 1.931 |
| 127.5 | 225.0 | 4.653 | 0.4261 |
| 127.5 | 255.0 | 5.707 | 0.394 |
| 127.5 | 285.0 | 5.714 | 0.4265 |
| 127.5 | 315.0 | 4.33 | 0.3355 |
| 127.5 | 345.0 | 2.729 | 0.3178 |
| 142.5 | 15.0 | 2.751 | 0.3599 |
| 142.5 | 45.0 | 3.778 | 0.5586 |
| 142.5 | 75.0 | 3.958 | 0.3126 |
| 142.5 | 105.0 | 3.667 | 1.159 |
| 142.5 | 255.0 | 4.405 | 0.9273 |
| 142.5 | 285.0 | 4.189 | 0.3938 |
| 142.5 | 315.0 | 3.18 | 0.3584 |
| 142.5 | 345.0 | 2.535 | 0.347 |
| 157.5 | 15.0 | 2.417 | 0.3969 |
| 157.5 | 45.0 | 2.386 | 0.6015 |
| 157.5 | 315.0 | 3.091 | 1.131 |
| 157.5 | 345.0 | 3.198 | 1.124 |
Measurement comment:
Experiment comment: