Measurement E8M14
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.25 — 0.35 GeV2 | |
| W: | 1.36 — 1.38 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 13.62 | 1.215 |
| 7.5 | 45.0 | 13.07 | 1.189 |
| 7.5 | 75.0 | 14.92 | 1.413 |
| 7.5 | 105.0 | 18.0 | 1.738 |
| 7.5 | 135.0 | 12.4 | 1.356 |
| 7.5 | 165.0 | 11.73 | 1.437 |
| 7.5 | 195.0 | 16.02 | 1.826 |
| 7.5 | 225.0 | 15.5 | 1.61 |
| 7.5 | 255.0 | 15.82 | 1.79 |
| 7.5 | 285.0 | 11.87 | 1.166 |
| 7.5 | 315.0 | 13.69 | 1.289 |
| 7.5 | 345.0 | 20.33 | 1.729 |
| 22.5 | 15.0 | 12.51 | 1.517 |
| 22.5 | 75.0 | 13.36 | 2.543 |
| 22.5 | 105.0 | 14.61 | 3.515 |
| 22.5 | 255.0 | 15.6 | 3.73 |
| 22.5 | 285.0 | 11.01 | 2.003 |
| 22.5 | 345.0 | 13.57 | 2.025 |
| 37.5 | 45.0 | 8.721 | 0.6093 |
| 37.5 | 75.0 | 11.98 | 0.8066 |
| 37.5 | 135.0 | 6.483 | 0.5321 |
| 37.5 | 165.0 | 5.519 | 0.2755 |
| 37.5 | 195.0 | 5.67 | 0.2827 |
| 37.5 | 225.0 | 6.6 | 0.5702 |
| 37.5 | 285.0 | 9.375 | 0.6627 |
| 37.5 | 315.0 | 10.54 | 0.9023 |
| 52.5 | 45.0 | 7.318 | 0.685 |
| 52.5 | 105.0 | 8.497 | 0.5138 |
| 52.5 | 135.0 | 6.232 | 0.4431 |
| 52.5 | 165.0 | 4.301 | 0.2134 |
| 52.5 | 195.0 | 3.866 | 0.1952 |
| 52.5 | 225.0 | 7.271 | 0.5093 |
| 52.5 | 255.0 | 7.83 | 0.4263 |
| 52.5 | 285.0 | 8.555 | 1.199 |
| 52.5 | 315.0 | 7.501 | 0.8149 |
| 67.5 | 45.0 | 5.356 | 0.6801 |
| 67.5 | 75.0 | 7.05 | 0.8244 |
| 67.5 | 105.0 | 7.718 | 0.3072 |
| 67.5 | 135.0 | 5.533 | 0.3902 |
| 67.5 | 165.0 | 2.828 | 0.1623 |
| 67.5 | 195.0 | 3.084 | 0.1702 |
| 67.5 | 225.0 | 4.757 | 0.3695 |
| 67.5 | 255.0 | 6.783 | 0.2782 |
| 67.5 | 285.0 | 7.725 | 0.9857 |
| 67.5 | 315.0 | 5.309 | 0.9076 |
| 82.5 | 45.0 | 3.76 | 0.5139 |
| 82.5 | 75.0 | 4.9 | 0.3063 |
| 82.5 | 105.0 | 5.649 | 0.2464 |
| 82.5 | 135.0 | 3.912 | 0.3672 |
| 82.5 | 165.0 | 2.223 | 0.1764 |
| 82.5 | 195.0 | 2.309 | 0.1717 |
| 82.5 | 225.0 | 4.72 | 0.4265 |
| 82.5 | 255.0 | 5.534 | 0.2449 |
| 82.5 | 285.0 | 5.091 | 0.3231 |
| 82.5 | 315.0 | 4.004 | 0.5178 |
| 97.5 | 15.0 | 0.6879 | 0.1067 |
| 97.5 | 45.0 | 1.984 | 0.1402 |
| 97.5 | 75.0 | 3.685 | 0.3025 |
| 97.5 | 105.0 | 3.695 | 0.2012 |
| 97.5 | 135.0 | 3.115 | 0.2737 |
| 97.5 | 165.0 | 2.046 | 0.1459 |
| 97.5 | 195.0 | 1.784 | 0.1293 |
| 97.5 | 225.0 | 3.438 | 0.2618 |
| 97.5 | 255.0 | 4.057 | 0.2144 |
| 97.5 | 285.0 | 3.069 | 0.2656 |
| 97.5 | 315.0 | 2.003 | 0.1435 |
| 97.5 | 345.0 | 0.6685 | 0.1127 |
| 112.5 | 15.0 | 0.7468 | 0.1621 |
| 112.5 | 45.0 | 1.507 | 0.1409 |
| 112.5 | 75.0 | 1.915 | 0.2233 |
| 112.5 | 105.0 | 2.361 | 0.1624 |
| 112.5 | 135.0 | 2.217 | 0.2151 |
| 112.5 | 165.0 | 1.88 | 0.2113 |
| 112.5 | 195.0 | 1.582 | 0.17 |
| 112.5 | 225.0 | 2.506 | 0.3125 |
| 112.5 | 255.0 | 2.284 | 0.1504 |
| 112.5 | 285.0 | 2.519 | 0.2456 |
| 112.5 | 315.0 | 1.499 | 0.1405 |
| 112.5 | 345.0 | 0.6781 | 0.1455 |
| 127.5 | 15.0 | 0.4329 | 0.0925 |
| 127.5 | 45.0 | 0.7164 | 0.09241 |
| 127.5 | 75.0 | 1.37 | 0.1399 |
| 127.5 | 105.0 | 1.536 | 0.1969 |
| 127.5 | 135.0 | 1.589 | 0.1805 |
| 127.5 | 165.0 | 1.418 | 0.4286 |
| 127.5 | 225.0 | 1.251 | 0.1401 |
| 127.5 | 255.0 | 1.741 | 0.3982 |
| 127.5 | 285.0 | 1.421 | 0.1565 |
| 127.5 | 315.0 | 0.9112 | 0.1475 |
| 127.5 | 345.0 | 0.4723 | 0.08337 |
| 142.5 | 15.0 | 0.3295 | 0.07219 |
| 142.5 | 45.0 | 1.139 | 0.288 |
| 142.5 | 75.0 | 0.7752 | 0.09056 |
| 142.5 | 105.0 | 1.449 | 0.6074 |
| 142.5 | 285.0 | 0.8827 | 0.1189 |
| 142.5 | 315.0 | 0.449 | 0.09907 |
| 142.5 | 345.0 | 0.5728 | 0.1386 |
| 157.5 | 15.0 | 0.4026 | 0.08575 |
| 157.5 | 345.0 | 0.322 | 0.07766 |
Measurement comment:
Experiment comment: