Measurement E8M68
| 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: | 1.5 — 1.52 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 5.211 | 2.044 |
| 7.5 | 135.0 | 6.348 | 2.414 |
| 7.5 | 165.0 | 6.334 | 1.753 |
| 22.5 | 135.0 | 2.971 | 0.6537 |
| 22.5 | 195.0 | 1.884 | 0.2927 |
| 22.5 | 225.0 | 4.913 | 1.508 |
| 22.5 | 255.0 | 7.82 | 3.374 |
| 37.5 | 75.0 | 5.578 | 0.8794 |
| 37.5 | 105.0 | 6.225 | 1.895 |
| 37.5 | 165.0 | 2.018 | 0.4384 |
| 37.5 | 195.0 | 2.867 | 0.8359 |
| 37.5 | 225.0 | 5.194 | 2.281 |
| 37.5 | 255.0 | 7.642 | 3.619 |
| 37.5 | 285.0 | 5.555 | 1.326 |
| 52.5 | 45.0 | 5.215 | 2.203 |
| 52.5 | 75.0 | 5.978 | 2.185 |
| 52.5 | 105.0 | 5.14 | 1.105 |
| 52.5 | 255.0 | 4.341 | 0.9879 |
| 52.5 | 285.0 | 6.103 | 1.177 |
| 52.5 | 315.0 | 3.59 | 0.8657 |
| 67.5 | 15.0 | 2.757 | 0.8009 |
| 67.5 | 45.0 | 3.364 | 0.6687 |
| 67.5 | 75.0 | 3.808 | 0.794 |
| 67.5 | 135.0 | 4.24 | 1.033 |
| 67.5 | 165.0 | 2.689 | 0.6409 |
| 67.5 | 195.0 | 1.967 | 0.3056 |
| 67.5 | 225.0 | 2.156 | 0.3788 |
| 67.5 | 315.0 | 3.005 | 0.5121 |
| 67.5 | 345.0 | 1.756 | 0.4215 |
| 82.5 | 45.0 | 2.281 | 0.6203 |
| 82.5 | 75.0 | 3.909 | 0.7672 |
| 82.5 | 105.0 | 4.811 | 0.7087 |
| 82.5 | 135.0 | 2.16 | 0.3426 |
| 82.5 | 165.0 | 3.918 | 1.709 |
| 82.5 | 195.0 | 2.545 | 0.7208 |
| 82.5 | 225.0 | 4.322 | 1.52 |
| 82.5 | 255.0 | 3.696 | 0.5401 |
| 82.5 | 285.0 | 5.14 | 1.885 |
| 97.5 | 45.0 | 1.76 | 0.2928 |
| 97.5 | 75.0 | 3.707 | 0.73 |
| 97.5 | 105.0 | 4.061 | 0.5092 |
| 97.5 | 135.0 | 2.978 | 0.6622 |
| 97.5 | 165.0 | 1.884 | 0.3529 |
| 97.5 | 195.0 | 2.399 | 0.5936 |
| 97.5 | 225.0 | 3.453 | 0.7999 |
| 97.5 | 255.0 | 3.618 | 0.55 |
| 97.5 | 285.0 | 5.659 | 2.165 |
| 97.5 | 315.0 | 2.49 | 0.8208 |
| 112.5 | 45.0 | 2.34 | 0.6321 |
| 112.5 | 75.0 | 3.115 | 0.7407 |
| 112.5 | 105.0 | 3.038 | 0.5628 |
| 112.5 | 135.0 | 2.408 | 0.9823 |
| 112.5 | 165.0 | 1.796 | 0.304 |
| 112.5 | 195.0 | 3.03 | 1.621 |
| 112.5 | 225.0 | 3.3 | 0.9172 |
| 112.5 | 255.0 | 4.121 | 1.1 |
| 112.5 | 285.0 | 3.544 | 1.252 |
| 112.5 | 315.0 | 1.653 | 0.2755 |
| 112.5 | 345.0 | 1.688 | 0.7726 |
| 127.5 | 45.0 | 2.432 | 0.9433 |
| 127.5 | 75.0 | 2.913 | 0.7652 |
| 127.5 | 105.0 | 2.378 | 0.4081 |
| 127.5 | 135.0 | 2.549 | 0.7575 |
| 127.5 | 165.0 | 2.168 | 0.8903 |
| 127.5 | 195.0 | 1.797 | 0.5203 |
| 127.5 | 225.0 | 4.328 | 2.365 |
| 127.5 | 255.0 | 3.107 | 0.7436 |
| 127.5 | 285.0 | 3.773 | 1.014 |
| 127.5 | 315.0 | 1.516 | 0.3014 |
| 127.5 | 345.0 | 1.038 | 0.495 |
| 142.5 | 255.0 | 1.89 | 0.7955 |
| 142.5 | 285.0 | 1.528 | 0.4929 |
| 142.5 | 345.0 | 0.3584 | 0.09228 |
Measurement comment:
Experiment comment: