Measurement E8M30
| 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: | 1.2 — 1.22 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 45.0 | 8.112 | 2.194 |
| 7.5 | 75.0 | 9.983 | 1.47 |
| 7.5 | 105.0 | 17.04 | 1.875 |
| 7.5 | 135.0 | 12.79 | 1.729 |
| 7.5 | 165.0 | 12.29 | 1.537 |
| 7.5 | 195.0 | 12.04 | 1.474 |
| 7.5 | 225.0 | 9.823 | 1.151 |
| 7.5 | 255.0 | 11.94 | 1.482 |
| 7.5 | 285.0 | 11.19 | 1.553 |
| 7.5 | 315.0 | 13.8 | 3.441 |
| 7.5 | 345.0 | 7.401 | 3.63 |
| 22.5 | 15.0 | 8.001 | 1.842 |
| 22.5 | 45.0 | 8.876 | 4.106 |
| 22.5 | 75.0 | 8.893 | 0.9305 |
| 22.5 | 105.0 | 13.33 | 0.9609 |
| 22.5 | 135.0 | 13.19 | 0.797 |
| 22.5 | 165.0 | 12.77 | 0.747 |
| 22.5 | 195.0 | 12.55 | 0.7305 |
| 22.5 | 225.0 | 11.76 | 0.7323 |
| 22.5 | 255.0 | 11.58 | 0.8909 |
| 22.5 | 285.0 | 8.749 | 1.069 |
| 22.5 | 345.0 | 8.648 | 2.078 |
| 37.5 | 15.0 | 6.386 | 1.114 |
| 37.5 | 75.0 | 12.77 | 1.434 |
| 37.5 | 105.0 | 14.76 | 1.093 |
| 37.5 | 135.0 | 14.66 | 0.7559 |
| 37.5 | 165.0 | 12.93 | 0.6294 |
| 37.5 | 195.0 | 13.3 | 0.6492 |
| 37.5 | 225.0 | 13.56 | 0.7179 |
| 37.5 | 255.0 | 14.19 | 1.13 |
| 37.5 | 285.0 | 10.94 | 1.085 |
| 37.5 | 345.0 | 5.737 | 0.8678 |
| 52.5 | 45.0 | 14.01 | 3.916 |
| 52.5 | 75.0 | 15.11 | 0.7138 |
| 52.5 | 105.0 | 16.65 | 0.9722 |
| 52.5 | 135.0 | 16.5 | 0.924 |
| 52.5 | 165.0 | 11.82 | 0.5292 |
| 52.5 | 195.0 | 13.88 | 0.5923 |
| 52.5 | 225.0 | 15.48 | 0.8397 |
| 52.5 | 255.0 | 16.52 | 1.022 |
| 52.5 | 285.0 | 15.81 | 0.6954 |
| 52.5 | 315.0 | 13.78 | 3.902 |
| 67.5 | 45.0 | 14.78 | 2.413 |
| 67.5 | 75.0 | 19.45 | 0.6763 |
| 67.5 | 105.0 | 19.72 | 0.8544 |
| 67.5 | 135.0 | 15.71 | 0.9157 |
| 67.5 | 165.0 | 12.24 | 0.6043 |
| 67.5 | 195.0 | 12.97 | 0.6348 |
| 67.5 | 225.0 | 17.72 | 1.068 |
| 67.5 | 255.0 | 21.35 | 0.9044 |
| 67.5 | 285.0 | 18.72 | 0.6564 |
| 67.5 | 315.0 | 12.21 | 1.285 |
| 82.5 | 45.0 | 12.69 | 0.994 |
| 82.5 | 75.0 | 19.48 | 0.6784 |
| 82.5 | 105.0 | 22.34 | 0.8087 |
| 82.5 | 135.0 | 18.81 | 1.032 |
| 82.5 | 165.0 | 10.88 | 0.4665 |
| 82.5 | 195.0 | 11.66 | 0.4724 |
| 82.5 | 225.0 | 18.43 | 1.031 |
| 82.5 | 255.0 | 21.94 | 0.7364 |
| 82.5 | 285.0 | 19.24 | 0.661 |
| 82.5 | 315.0 | 11.96 | 0.9437 |
| 97.5 | 15.0 | 6.986 | 0.7731 |
| 97.5 | 45.0 | 14.81 | 0.751 |
| 97.5 | 75.0 | 20.89 | 0.9291 |
| 97.5 | 105.0 | 21.27 | 0.7287 |
| 97.5 | 135.0 | 17.62 | 0.8806 |
| 97.5 | 165.0 | 11.09 | 0.5623 |
| 97.5 | 195.0 | 11.6 | 0.581 |
| 97.5 | 225.0 | 16.24 | 0.8217 |
| 97.5 | 255.0 | 21.61 | 0.701 |
| 97.5 | 285.0 | 21.01 | 0.8838 |
| 97.5 | 315.0 | 14.54 | 0.7362 |
| 97.5 | 345.0 | 9.513 | 1.253 |
| 112.5 | 15.0 | 8.556 | 0.6593 |
| 112.5 | 45.0 | 13.54 | 0.5946 |
| 112.5 | 75.0 | 18.57 | 1.001 |
| 112.5 | 105.0 | 18.34 | 0.6403 |
| 112.5 | 135.0 | 15.49 | 0.9 |
| 112.5 | 165.0 | 9.545 | 0.633 |
| 112.5 | 195.0 | 9.129 | 0.5903 |
| 112.5 | 225.0 | 12.85 | 0.7188 |
| 112.5 | 255.0 | 19.24 | 0.6487 |
| 112.5 | 285.0 | 19.65 | 1.032 |
| 112.5 | 315.0 | 14.34 | 0.6586 |
| 112.5 | 345.0 | 8.518 | 0.8025 |
| 127.5 | 15.0 | 9.591 | 0.755 |
| 127.5 | 45.0 | 12.94 | 0.6316 |
| 127.5 | 75.0 | 14.54 | 0.7746 |
| 127.5 | 105.0 | 16.95 | 0.8867 |
| 127.5 | 135.0 | 11.1 | 0.7501 |
| 127.5 | 165.0 | 8.711 | 1.449 |
| 127.5 | 225.0 | 13.73 | 1.048 |
| 127.5 | 255.0 | 15.98 | 0.7766 |
| 127.5 | 285.0 | 15.4 | 0.8537 |
| 127.5 | 315.0 | 13.49 | 0.7252 |
| 127.5 | 345.0 | 7.889 | 0.671 |
| 142.5 | 15.0 | 9.8 | 0.8716 |
| 142.5 | 45.0 | 10.15 | 0.6956 |
| 142.5 | 75.0 | 12.6 | 0.7228 |
| 142.5 | 105.0 | 15.17 | 2.085 |
| 142.5 | 255.0 | 11.32 | 2.037 |
| 142.5 | 285.0 | 14.46 | 0.879 |
| 142.5 | 315.0 | 11.71 | 0.8301 |
| 142.5 | 345.0 | 9.766 | 0.9197 |
| 157.5 | 15.0 | 11.84 | 1.485 |
| 157.5 | 45.0 | 15.43 | 4.325 |
| 157.5 | 315.0 | 13.81 | 3.985 |
| 157.5 | 345.0 | 11.35 | 1.59 |
Measurement comment:
Experiment comment: