Measurement E8M39
| 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: | 1.38 — 1.4 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 11.83 | 1.131 |
| 7.5 | 45.0 | 12.19 | 1.291 |
| 7.5 | 75.0 | 11.93 | 1.269 |
| 7.5 | 105.0 | 11.41 | 1.179 |
| 7.5 | 135.0 | 11.28 | 1.275 |
| 7.5 | 165.0 | 7.716 | 0.846 |
| 7.5 | 195.0 | 8.022 | 0.8778 |
| 7.5 | 225.0 | 9.17 | 0.9457 |
| 7.5 | 255.0 | 13.19 | 1.497 |
| 7.5 | 285.0 | 8.643 | 1.047 |
| 7.5 | 315.0 | 9.657 | 1.086 |
| 7.5 | 345.0 | 10.02 | 0.9862 |
| 22.5 | 15.0 | 7.66 | 0.9018 |
| 22.5 | 45.0 | 10.01 | 3.608 |
| 22.5 | 75.0 | 11.21 | 2.481 |
| 22.5 | 105.0 | 8.74 | 0.9511 |
| 22.5 | 135.0 | 9.647 | 1.294 |
| 22.5 | 225.0 | 7.509 | 0.923 |
| 22.5 | 255.0 | 9.342 | 1.113 |
| 22.5 | 285.0 | 8.826 | 1.195 |
| 22.5 | 315.0 | 11.66 | 2.467 |
| 22.5 | 345.0 | 10.51 | 2.291 |
| 37.5 | 45.0 | 7.994 | 0.6194 |
| 37.5 | 75.0 | 8.738 | 0.5971 |
| 37.5 | 165.0 | 4.409 | 0.4844 |
| 37.5 | 195.0 | 3.994 | 0.445 |
| 37.5 | 285.0 | 7.925 | 0.4907 |
| 37.5 | 315.0 | 8.241 | 0.8373 |
| 52.5 | 45.0 | 5.323 | 0.6151 |
| 52.5 | 75.0 | 6.73 | 0.4393 |
| 52.5 | 105.0 | 6.655 | 0.7727 |
| 52.5 | 135.0 | 4.821 | 0.3534 |
| 52.5 | 165.0 | 3.396 | 0.1945 |
| 52.5 | 195.0 | 3.433 | 0.2086 |
| 52.5 | 225.0 | 5.318 | 0.3762 |
| 52.5 | 285.0 | 6.693 | 0.5097 |
| 52.5 | 315.0 | 5.898 | 0.5412 |
| 67.5 | 45.0 | 4.384 | 0.5188 |
| 67.5 | 75.0 | 5.23 | 1.068 |
| 67.5 | 105.0 | 5.722 | 0.2762 |
| 67.5 | 135.0 | 4.485 | 0.3228 |
| 67.5 | 165.0 | 2.989 | 0.1919 |
| 67.5 | 195.0 | 3.012 | 0.1807 |
| 67.5 | 225.0 | 4.328 | 0.3272 |
| 67.5 | 255.0 | 6.247 | 0.2842 |
| 67.5 | 285.0 | 5.208 | 0.7109 |
| 67.5 | 315.0 | 4.271 | 0.6154 |
| 82.5 | 15.0 | 1.043 | 0.2611 |
| 82.5 | 45.0 | 2.051 | 0.3334 |
| 82.5 | 75.0 | 4.319 | 0.3085 |
| 82.5 | 105.0 | 4.109 | 0.2226 |
| 82.5 | 135.0 | 3.164 | 0.2421 |
| 82.5 | 165.0 | 2.174 | 0.1572 |
| 82.5 | 195.0 | 1.916 | 0.1436 |
| 82.5 | 225.0 | 3.403 | 0.2699 |
| 82.5 | 255.0 | 4.098 | 0.2084 |
| 82.5 | 285.0 | 4.28 | 0.2877 |
| 82.5 | 315.0 | 2.524 | 0.5487 |
| 82.5 | 345.0 | 1.739 | 0.5888 |
| 97.5 | 45.0 | 1.807 | 0.1331 |
| 97.5 | 75.0 | 2.349 | 0.2033 |
| 97.5 | 105.0 | 2.877 | 0.1884 |
| 97.5 | 135.0 | 2.761 | 0.2351 |
| 97.5 | 165.0 | 1.597 | 0.1465 |
| 97.5 | 195.0 | 1.985 | 0.1947 |
| 97.5 | 225.0 | 2.418 | 0.2179 |
| 97.5 | 255.0 | 2.979 | 0.178 |
| 97.5 | 285.0 | 2.432 | 0.2207 |
| 97.5 | 315.0 | 1.761 | 0.1457 |
| 112.5 | 15.0 | 0.6057 | 0.1099 |
| 112.5 | 45.0 | 0.9455 | 0.1023 |
| 112.5 | 75.0 | 1.714 | 0.1799 |
| 112.5 | 105.0 | 2.067 | 0.1521 |
| 112.5 | 135.0 | 1.908 | 0.2111 |
| 112.5 | 165.0 | 1.106 | 0.1199 |
| 112.5 | 195.0 | 1.288 | 0.1418 |
| 112.5 | 225.0 | 1.494 | 0.1321 |
| 112.5 | 255.0 | 1.765 | 0.1552 |
| 112.5 | 285.0 | 1.959 | 0.2173 |
| 112.5 | 315.0 | 1.002 | 0.1148 |
| 112.5 | 345.0 | 0.51 | 0.09969 |
| 127.5 | 15.0 | 0.4027 | 0.09434 |
| 127.5 | 45.0 | 0.5422 | 0.07694 |
| 127.5 | 75.0 | 1.245 | 0.1715 |
| 127.5 | 105.0 | 1.097 | 0.1362 |
| 127.5 | 135.0 | 1.146 | 0.1555 |
| 127.5 | 165.0 | 0.8603 | 0.1499 |
| 127.5 | 195.0 | 0.824 | 0.1246 |
| 127.5 | 225.0 | 1.208 | 0.1674 |
| 127.5 | 255.0 | 1.069 | 0.119 |
| 127.5 | 285.0 | 1.001 | 0.1245 |
| 127.5 | 315.0 | 0.7 | 0.1052 |
| 127.5 | 345.0 | 0.3222 | 0.07161 |
| 142.5 | 15.0 | 0.2869 | 0.07169 |
| 142.5 | 45.0 | 0.2883 | 0.06341 |
| 142.5 | 75.0 | 0.6062 | 0.09287 |
| 142.5 | 105.0 | 0.7337 | 0.1982 |
| 142.5 | 255.0 | 0.489 | 0.1162 |
| 142.5 | 285.0 | 0.5167 | 0.08006 |
| 142.5 | 315.0 | 0.5718 | 0.3055 |
| 142.5 | 345.0 | 0.2899 | 0.07466 |
| 157.5 | 15.0 | 0.3478 | 0.1103 |
| 157.5 | 345.0 | 0.2159 | 0.07284 |
Measurement comment:
Experiment comment: