Measurement E8M74
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.55 — 0.65 GeV2 | |
| W: | 1.2 — 1.22 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 195.0 | 4.564 | 1.125 |
| 22.5 | 15.0 | 5.204 | 1.168 |
| 22.5 | 105.0 | 10.01 | 2.249 |
| 22.5 | 135.0 | 8.308 | 0.899 |
| 22.5 | 165.0 | 8.473 | 0.8176 |
| 22.5 | 195.0 | 10.76 | 1.175 |
| 22.5 | 225.0 | 8.609 | 0.8507 |
| 22.5 | 255.0 | 9.889 | 2.728 |
| 22.5 | 315.0 | 3.717 | 1.928 |
| 22.5 | 345.0 | 5.314 | 1.243 |
| 37.5 | 15.0 | 6.489 | 1.37 |
| 37.5 | 45.0 | 4.876 | 1.825 |
| 37.5 | 75.0 | 7.807 | 3.471 |
| 37.5 | 105.0 | 7.795 | 0.8542 |
| 37.5 | 135.0 | 9.395 | 0.7447 |
| 37.5 | 165.0 | 8.329 | 0.5883 |
| 37.5 | 195.0 | 8.125 | 0.5805 |
| 37.5 | 225.0 | 8.388 | 0.6855 |
| 37.5 | 255.0 | 9.111 | 0.9303 |
| 37.5 | 345.0 | 8.269 | 2.489 |
| 52.5 | 45.0 | 6.226 | 1.088 |
| 52.5 | 75.0 | 11.12 | 2.634 |
| 52.5 | 105.0 | 13.03 | 1.021 |
| 52.5 | 135.0 | 9.317 | 0.749 |
| 52.5 | 165.0 | 8.954 | 0.5742 |
| 52.5 | 195.0 | 7.713 | 0.4994 |
| 52.5 | 225.0 | 10.68 | 0.7919 |
| 52.5 | 255.0 | 12.43 | 0.9393 |
| 52.5 | 285.0 | 10.24 | 1.133 |
| 52.5 | 315.0 | 8.126 | 1.531 |
| 67.5 | 45.0 | 8.592 | 1.414 |
| 67.5 | 75.0 | 11.76 | 0.6447 |
| 67.5 | 105.0 | 14.81 | 0.9142 |
| 67.5 | 135.0 | 11.08 | 0.802 |
| 67.5 | 165.0 | 8.824 | 0.5515 |
| 67.5 | 195.0 | 8.833 | 0.5565 |
| 67.5 | 225.0 | 11.82 | 0.8578 |
| 67.5 | 255.0 | 12.7 | 0.8017 |
| 67.5 | 285.0 | 12.86 | 0.6609 |
| 67.5 | 315.0 | 9.356 | 1.764 |
| 82.5 | 45.0 | 10.93 | 1.506 |
| 82.5 | 75.0 | 13.34 | 0.6374 |
| 82.5 | 105.0 | 15.2 | 0.8088 |
| 82.5 | 135.0 | 12.14 | 0.9402 |
| 82.5 | 165.0 | 7.531 | 0.5812 |
| 82.5 | 195.0 | 7.771 | 0.5665 |
| 82.5 | 225.0 | 12.51 | 0.9662 |
| 82.5 | 255.0 | 12.87 | 0.7228 |
| 82.5 | 285.0 | 13.45 | 0.6711 |
| 82.5 | 315.0 | 8.473 | 1.261 |
| 97.5 | 15.0 | 5.986 | 0.824 |
| 97.5 | 45.0 | 11.64 | 0.8949 |
| 97.5 | 75.0 | 13.84 | 0.7766 |
| 97.5 | 105.0 | 14.7 | 0.7958 |
| 97.5 | 135.0 | 10.21 | 0.7802 |
| 97.5 | 165.0 | 7.647 | 0.5221 |
| 97.5 | 195.0 | 8.025 | 0.5255 |
| 97.5 | 225.0 | 12.51 | 0.9357 |
| 97.5 | 255.0 | 13.34 | 0.7087 |
| 97.5 | 285.0 | 13.6 | 0.7804 |
| 97.5 | 315.0 | 8.822 | 0.6929 |
| 97.5 | 345.0 | 8.698 | 3.254 |
| 112.5 | 15.0 | 6.116 | 0.7854 |
| 112.5 | 45.0 | 10.55 | 0.6924 |
| 112.5 | 75.0 | 12.49 | 0.9231 |
| 112.5 | 105.0 | 12.19 | 0.7031 |
| 112.5 | 135.0 | 11.06 | 0.8405 |
| 112.5 | 165.0 | 6.321 | 0.5903 |
| 112.5 | 195.0 | 5.632 | 0.5199 |
| 112.5 | 225.0 | 9.496 | 0.6912 |
| 112.5 | 255.0 | 12.87 | 0.6683 |
| 112.5 | 285.0 | 12.4 | 0.9229 |
| 112.5 | 315.0 | 11.69 | 0.7376 |
| 112.5 | 345.0 | 5.927 | 2.192 |
| 127.5 | 15.0 | 6.288 | 0.9245 |
| 127.5 | 45.0 | 9.685 | 0.7674 |
| 127.5 | 75.0 | 11.3 | 0.9068 |
| 127.5 | 105.0 | 10.78 | 0.8217 |
| 127.5 | 135.0 | 7.882 | 0.7416 |
| 127.5 | 165.0 | 5.907 | 0.7142 |
| 127.5 | 195.0 | 5.07 | 0.6037 |
| 127.5 | 225.0 | 8.272 | 0.7958 |
| 127.5 | 255.0 | 10.8 | 0.7514 |
| 127.5 | 285.0 | 12.47 | 1.053 |
| 127.5 | 315.0 | 9.622 | 0.7558 |
| 127.5 | 345.0 | 7.436 | 1.249 |
| 142.5 | 15.0 | 4.522 | 0.6748 |
| 142.5 | 45.0 | 8.304 | 0.9981 |
| 142.5 | 75.0 | 9.296 | 0.8946 |
| 142.5 | 105.0 | 9.758 | 1.517 |
| 142.5 | 255.0 | 8.519 | 1.017 |
| 142.5 | 285.0 | 8.01 | 0.8757 |
| 142.5 | 315.0 | 9.209 | 0.9029 |
| 142.5 | 345.0 | 6.979 | 1.039 |
| 157.5 | 15.0 | 6.369 | 1.47 |
| 157.5 | 45.0 | 12.39 | 4.444 |
| 157.5 | 75.0 | 11.4 | 3.122 |
| 157.5 | 315.0 | 9.634 | 4.74 |
| 157.5 | 345.0 | 8.507 | 1.973 |
Measurement comment:
Experiment comment: