Measurement E8M63
| 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: | 1.4 — 1.42 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 11.37 | 2.025 |
| 7.5 | 45.0 | 6.776 | 1.089 |
| 7.5 | 75.0 | 7.576 | 1.205 |
| 7.5 | 105.0 | 10.68 | 2.591 |
| 7.5 | 135.0 | 6.554 | 0.9742 |
| 7.5 | 165.0 | 7.55 | 1.044 |
| 7.5 | 195.0 | 9.376 | 1.247 |
| 7.5 | 225.0 | 8.03 | 1.415 |
| 7.5 | 255.0 | 7.063 | 1.462 |
| 7.5 | 285.0 | 11.81 | 2.548 |
| 7.5 | 315.0 | 7.497 | 1.476 |
| 7.5 | 345.0 | 8.139 | 1.654 |
| 22.5 | 15.0 | 7.122 | 1.403 |
| 22.5 | 45.0 | 9.296 | 4.339 |
| 22.5 | 75.0 | 9.829 | 1.722 |
| 22.5 | 105.0 | 6.748 | 0.9377 |
| 22.5 | 135.0 | 6.059 | 0.8468 |
| 22.5 | 165.0 | 4.722 | 0.6082 |
| 22.5 | 195.0 | 6.452 | 0.8182 |
| 22.5 | 225.0 | 7.508 | 1.014 |
| 22.5 | 255.0 | 5.818 | 0.7821 |
| 22.5 | 285.0 | 9.912 | 3.172 |
| 22.5 | 315.0 | 10.62 | 2.724 |
| 22.5 | 345.0 | 11.29 | 3.972 |
| 37.5 | 45.0 | 6.165 | 0.536 |
| 37.5 | 75.0 | 6.608 | 0.5654 |
| 37.5 | 105.0 | 6.852 | 1.079 |
| 37.5 | 255.0 | 7.638 | 1.839 |
| 37.5 | 285.0 | 5.86 | 0.4717 |
| 37.5 | 315.0 | 7.381 | 0.6777 |
| 52.5 | 45.0 | 4.588 | 0.5364 |
| 52.5 | 75.0 | 6.173 | 0.4911 |
| 52.5 | 135.0 | 5.859 | 1.396 |
| 52.5 | 165.0 | 3.042 | 0.2199 |
| 52.5 | 195.0 | 2.941 | 0.2031 |
| 52.5 | 225.0 | 5.804 | 1.296 |
| 52.5 | 285.0 | 5.256 | 0.3923 |
| 52.5 | 315.0 | 5.591 | 0.6535 |
| 67.5 | 15.0 | 3.354 | 1.134 |
| 67.5 | 45.0 | 4.468 | 0.477 |
| 67.5 | 75.0 | 4.603 | 0.7116 |
| 67.5 | 105.0 | 4.349 | 0.2872 |
| 67.5 | 135.0 | 3.943 | 0.3117 |
| 67.5 | 165.0 | 2.796 | 0.1966 |
| 67.5 | 195.0 | 2.384 | 0.1702 |
| 67.5 | 225.0 | 3.383 | 0.2682 |
| 67.5 | 255.0 | 4.498 | 0.3115 |
| 67.5 | 315.0 | 4.063 | 0.5643 |
| 82.5 | 15.0 | 1.344 | 0.2625 |
| 82.5 | 45.0 | 2.866 | 0.6446 |
| 82.5 | 75.0 | 3.095 | 0.3688 |
| 82.5 | 105.0 | 3.396 | 0.2072 |
| 82.5 | 135.0 | 3.025 | 0.2567 |
| 82.5 | 165.0 | 1.803 | 0.1476 |
| 82.5 | 195.0 | 2.202 | 0.1841 |
| 82.5 | 225.0 | 2.589 | 0.2278 |
| 82.5 | 255.0 | 3.84 | 0.2244 |
| 82.5 | 285.0 | 3.397 | 0.4513 |
| 82.5 | 315.0 | 3.95 | 2.254 |
| 82.5 | 345.0 | 1.163 | 0.3067 |
| 97.5 | 45.0 | 1.557 | 0.2085 |
| 97.5 | 75.0 | 2.27 | 0.2426 |
| 97.5 | 105.0 | 2.698 | 0.1944 |
| 97.5 | 135.0 | 2.228 | 0.255 |
| 97.5 | 165.0 | 2.081 | 0.2367 |
| 97.5 | 195.0 | 1.986 | 0.2158 |
| 97.5 | 225.0 | 2.369 | 0.2886 |
| 97.5 | 255.0 | 2.598 | 0.22 |
| 97.5 | 285.0 | 2.071 | 0.2112 |
| 97.5 | 315.0 | 1.677 | 0.1982 |
| 112.5 | 15.0 | 0.6183 | 0.1735 |
| 112.5 | 45.0 | 0.982 | 0.1492 |
| 112.5 | 75.0 | 1.415 | 0.2021 |
| 112.5 | 105.0 | 1.467 | 0.1607 |
| 112.5 | 135.0 | 1.447 | 0.186 |
| 112.5 | 165.0 | 1.162 | 0.1322 |
| 112.5 | 195.0 | 1.162 | 0.1489 |
| 112.5 | 225.0 | 1.046 | 0.1289 |
| 112.5 | 255.0 | 1.442 | 0.1721 |
| 112.5 | 285.0 | 1.209 | 0.1609 |
| 112.5 | 315.0 | 1.094 | 0.1607 |
| 112.5 | 345.0 | 0.5557 | 0.1796 |
| 127.5 | 15.0 | 0.3519 | 0.135 |
| 127.5 | 45.0 | 0.5701 | 0.09719 |
| 127.5 | 75.0 | 0.8225 | 0.1665 |
| 127.5 | 105.0 | 0.9246 | 0.1445 |
| 127.5 | 135.0 | 1.131 | 0.2022 |
| 127.5 | 165.0 | 0.6117 | 0.1312 |
| 127.5 | 195.0 | 0.6435 | 0.1429 |
| 127.5 | 225.0 | 0.6269 | 0.1068 |
| 127.5 | 255.0 | 0.8932 | 0.1349 |
| 127.5 | 285.0 | 0.6881 | 0.1141 |
| 127.5 | 315.0 | 0.6522 | 0.1347 |
| 127.5 | 345.0 | 0.3458 | 0.115 |
| 142.5 | 15.0 | 0.1742 | 0.05985 |
| 142.5 | 45.0 | 0.298 | 0.07177 |
| 142.5 | 75.0 | 0.618 | 0.1194 |
| 142.5 | 105.0 | 0.3636 | 0.1158 |
| 142.5 | 135.0 | 0.6927 | 0.2322 |
| 142.5 | 225.0 | 0.479 | 0.1286 |
| 142.5 | 255.0 | 0.6019 | 0.1858 |
| 142.5 | 285.0 | 0.753 | 0.371 |
| 142.5 | 315.0 | 0.3358 | 0.08119 |
| 142.5 | 345.0 | 0.283 | 0.09813 |
| 157.5 | 15.0 | 0.1729 | 0.06495 |
| 157.5 | 45.0 | 0.3268 | 0.2585 |
Measurement comment:
Experiment comment: