Measurement E8M62
| 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: | 1.38 — 1.4 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 8.833 | 1.119 |
| 7.5 | 45.0 | 8.569 | 1.365 |
| 7.5 | 75.0 | 10.8 | 2.845 |
| 7.5 | 105.0 | 6.801 | 1.05 |
| 7.5 | 135.0 | 14.3 | 3.032 |
| 7.5 | 165.0 | 7.061 | 1.078 |
| 7.5 | 195.0 | 12.9 | 2.273 |
| 7.5 | 225.0 | 7.483 | 1.091 |
| 7.5 | 255.0 | 8.654 | 1.427 |
| 7.5 | 285.0 | 11.26 | 2.747 |
| 7.5 | 315.0 | 9.515 | 1.402 |
| 7.5 | 345.0 | 10.1 | 1.205 |
| 22.5 | 15.0 | 9.573 | 2.081 |
| 22.5 | 45.0 | 10.4 | 5.676 |
| 22.5 | 75.0 | 8.453 | 1.271 |
| 22.5 | 105.0 | 8.251 | 0.9764 |
| 22.5 | 135.0 | 7.606 | 0.9592 |
| 22.5 | 165.0 | 8.876 | 3.302 |
| 22.5 | 195.0 | 6.756 | 1.102 |
| 22.5 | 225.0 | 6.045 | 0.9567 |
| 22.5 | 255.0 | 8.382 | 1.049 |
| 22.5 | 285.0 | 7.53 | 1.08 |
| 22.5 | 315.0 | 6.88 | 1.354 |
| 22.5 | 345.0 | 8.305 | 1.338 |
| 37.5 | 45.0 | 7.073 | 0.6931 |
| 37.5 | 75.0 | 8.079 | 0.6583 |
| 37.5 | 105.0 | 7.415 | 1.879 |
| 37.5 | 255.0 | 9.529 | 3.076 |
| 37.5 | 285.0 | 7.075 | 0.6109 |
| 37.5 | 315.0 | 7.163 | 0.7788 |
| 52.5 | 45.0 | 5.904 | 1.707 |
| 52.5 | 75.0 | 7.157 | 0.6155 |
| 52.5 | 135.0 | 4.798 | 0.4154 |
| 52.5 | 165.0 | 3.741 | 0.2425 |
| 52.5 | 195.0 | 3.623 | 0.2353 |
| 52.5 | 225.0 | 3.867 | 0.3549 |
| 52.5 | 285.0 | 5.779 | 0.6154 |
| 52.5 | 315.0 | 5.79 | 0.8674 |
| 67.5 | 45.0 | 4.132 | 0.4779 |
| 67.5 | 75.0 | 5.15 | 0.8758 |
| 67.5 | 105.0 | 5.029 | 0.305 |
| 67.5 | 135.0 | 3.548 | 0.2956 |
| 67.5 | 165.0 | 2.674 | 0.1858 |
| 67.5 | 195.0 | 3.286 | 0.2191 |
| 67.5 | 225.0 | 3.729 | 0.2894 |
| 67.5 | 255.0 | 5.272 | 0.3057 |
| 67.5 | 285.0 | 5.712 | 2.23 |
| 67.5 | 315.0 | 3.475 | 0.416 |
| 82.5 | 15.0 | 1.21 | 0.2157 |
| 82.5 | 45.0 | 2.349 | 0.3651 |
| 82.5 | 75.0 | 3.263 | 0.3098 |
| 82.5 | 105.0 | 3.239 | 0.2038 |
| 82.5 | 135.0 | 3.217 | 0.2881 |
| 82.5 | 165.0 | 2.305 | 0.1914 |
| 82.5 | 195.0 | 2.297 | 0.1926 |
| 82.5 | 225.0 | 3.07 | 0.27 |
| 82.5 | 255.0 | 3.685 | 0.221 |
| 82.5 | 285.0 | 3.429 | 0.3018 |
| 82.5 | 315.0 | 2.779 | 0.8881 |
| 82.5 | 345.0 | 0.9568 | 0.2171 |
| 97.5 | 15.0 | 1.25 | 0.7586 |
| 97.5 | 45.0 | 1.407 | 0.1623 |
| 97.5 | 75.0 | 2.561 | 0.3778 |
| 97.5 | 105.0 | 2.498 | 0.1868 |
| 97.5 | 135.0 | 2.181 | 0.2525 |
| 97.5 | 165.0 | 1.752 | 0.1979 |
| 97.5 | 195.0 | 1.874 | 0.1886 |
| 97.5 | 225.0 | 2.564 | 0.2652 |
| 97.5 | 255.0 | 3.219 | 0.2394 |
| 97.5 | 285.0 | 2.597 | 0.2592 |
| 97.5 | 315.0 | 1.348 | 0.1813 |
| 112.5 | 15.0 | 0.6937 | 0.1728 |
| 112.5 | 45.0 | 1.419 | 0.5839 |
| 112.5 | 75.0 | 1.555 | 0.2135 |
| 112.5 | 105.0 | 1.348 | 0.1519 |
| 112.5 | 135.0 | 1.385 | 0.1605 |
| 112.5 | 165.0 | 1.507 | 0.1943 |
| 112.5 | 195.0 | 1.773 | 0.6608 |
| 112.5 | 225.0 | 1.243 | 0.1596 |
| 112.5 | 255.0 | 1.905 | 0.211 |
| 112.5 | 285.0 | 2.036 | 0.2948 |
| 112.5 | 315.0 | 0.921 | 0.1243 |
| 112.5 | 345.0 | 0.3902 | 0.1324 |
| 127.5 | 15.0 | 0.2725 | 0.08393 |
| 127.5 | 45.0 | 0.7076 | 0.1209 |
| 127.5 | 75.0 | 0.7927 | 0.1244 |
| 127.5 | 105.0 | 0.8364 | 0.1252 |
| 127.5 | 135.0 | 0.9965 | 0.1607 |
| 127.5 | 165.0 | 1.085 | 0.2474 |
| 127.5 | 195.0 | 0.787 | 0.1444 |
| 127.5 | 225.0 | 1.026 | 0.1677 |
| 127.5 | 255.0 | 1.08 | 0.1407 |
| 127.5 | 285.0 | 0.8942 | 0.231 |
| 127.5 | 315.0 | 0.643 | 0.3261 |
| 127.5 | 345.0 | 0.3413 | 0.09223 |
| 142.5 | 15.0 | 0.3028 | 0.09163 |
| 142.5 | 45.0 | 0.3317 | 0.08935 |
| 142.5 | 75.0 | 0.4264 | 0.07337 |
| 142.5 | 105.0 | 0.4207 | 0.1478 |
| 142.5 | 135.0 | 0.4428 | 0.2373 |
| 142.5 | 255.0 | 0.6754 | 0.222 |
| 142.5 | 285.0 | 0.4749 | 0.1073 |
| 142.5 | 315.0 | 0.2104 | 0.0604 |
| 142.5 | 345.0 | 0.214 | 0.06579 |
| 157.5 | 15.0 | 0.2165 | 0.06955 |
| 157.5 | 345.0 | 0.6251 | 0.4088 |
Measurement comment:
Experiment comment: