Measurement E8M43
| 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: | 1.46 — 1.48 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 9.236 | 0.8537 |
| 7.5 | 45.0 | 8.562 | 0.9421 |
| 7.5 | 75.0 | 8.624 | 0.959 |
| 7.5 | 105.0 | 9.73 | 0.9759 |
| 7.5 | 135.0 | 7.99 | 0.8676 |
| 7.5 | 165.0 | 6.844 | 0.6618 |
| 7.5 | 195.0 | 6.349 | 0.6763 |
| 7.5 | 225.0 | 8.683 | 0.9249 |
| 7.5 | 255.0 | 8.295 | 0.9238 |
| 7.5 | 285.0 | 5.707 | 0.6806 |
| 7.5 | 315.0 | 8.513 | 0.9888 |
| 7.5 | 345.0 | 8.079 | 0.832 |
| 22.5 | 45.0 | 9.795 | 2.747 |
| 22.5 | 75.0 | 9.334 | 1.195 |
| 22.5 | 105.0 | 7.298 | 0.7923 |
| 22.5 | 135.0 | 5.419 | 0.4585 |
| 22.5 | 165.0 | 4.139 | 0.3308 |
| 22.5 | 195.0 | 4.46 | 0.3524 |
| 22.5 | 225.0 | 5.372 | 0.4689 |
| 22.5 | 255.0 | 7.725 | 0.8195 |
| 22.5 | 285.0 | 8.272 | 1.127 |
| 22.5 | 315.0 | 9.422 | 2.47 |
| 37.5 | 45.0 | 9.2 | 1.327 |
| 37.5 | 75.0 | 8.372 | 0.3983 |
| 37.5 | 105.0 | 7.24 | 0.5388 |
| 37.5 | 135.0 | 4.532 | 0.602 |
| 37.5 | 225.0 | 5.462 | 0.8084 |
| 37.5 | 255.0 | 7.771 | 0.6052 |
| 37.5 | 285.0 | 7.904 | 0.3663 |
| 37.5 | 315.0 | 8.208 | 1.071 |
| 52.5 | 45.0 | 5.682 | 0.7146 |
| 52.5 | 75.0 | 7.898 | 0.3563 |
| 52.5 | 165.0 | 3.133 | 0.2218 |
| 52.5 | 195.0 | 2.865 | 0.1945 |
| 52.5 | 285.0 | 8.076 | 0.3577 |
| 52.5 | 315.0 | 6.328 | 0.7818 |
| 67.5 | 15.0 | 2.863 | 0.381 |
| 67.5 | 45.0 | 4.716 | 0.2874 |
| 67.5 | 75.0 | 6.58 | 0.6462 |
| 67.5 | 105.0 | 6.502 | 0.3388 |
| 67.5 | 135.0 | 4.832 | 0.2797 |
| 67.5 | 165.0 | 2.769 | 0.1579 |
| 67.5 | 195.0 | 3.057 | 0.1716 |
| 67.5 | 225.0 | 5.237 | 0.297 |
| 67.5 | 255.0 | 5.742 | 0.2695 |
| 67.5 | 315.0 | 4.593 | 0.3138 |
| 67.5 | 345.0 | 4.098 | 1.103 |
| 82.5 | 15.0 | 1.054 | 0.1874 |
| 82.5 | 45.0 | 4.465 | 0.7485 |
| 82.5 | 75.0 | 6.64 | 0.8409 |
| 82.5 | 105.0 | 5.627 | 0.236 |
| 82.5 | 135.0 | 4.172 | 0.2631 |
| 82.5 | 165.0 | 2.432 | 0.1458 |
| 82.5 | 195.0 | 2.618 | 0.155 |
| 82.5 | 225.0 | 4.142 | 0.2521 |
| 82.5 | 255.0 | 5.33 | 0.2133 |
| 82.5 | 285.0 | 4.96 | 0.3447 |
| 82.5 | 315.0 | 3.544 | 0.4607 |
| 82.5 | 345.0 | 1.714 | 0.3642 |
| 97.5 | 15.0 | 1.479 | 0.5486 |
| 97.5 | 45.0 | 2.804 | 0.1685 |
| 97.5 | 75.0 | 3.919 | 0.2707 |
| 97.5 | 105.0 | 4.389 | 0.2142 |
| 97.5 | 135.0 | 3.89 | 0.2566 |
| 97.5 | 165.0 | 2.362 | 0.1811 |
| 97.5 | 195.0 | 2.593 | 0.1855 |
| 97.5 | 225.0 | 3.672 | 0.2562 |
| 97.5 | 255.0 | 4.292 | 0.2015 |
| 97.5 | 285.0 | 3.965 | 0.2468 |
| 97.5 | 315.0 | 2.51 | 0.1604 |
| 112.5 | 15.0 | 0.9912 | 0.1185 |
| 112.5 | 45.0 | 2.085 | 0.163 |
| 112.5 | 75.0 | 3.24 | 0.2475 |
| 112.5 | 105.0 | 3.228 | 0.2028 |
| 112.5 | 135.0 | 2.724 | 0.183 |
| 112.5 | 165.0 | 1.921 | 0.1643 |
| 112.5 | 195.0 | 2.114 | 0.169 |
| 112.5 | 225.0 | 2.721 | 0.1863 |
| 112.5 | 255.0 | 3.17 | 0.1973 |
| 112.5 | 285.0 | 3.017 | 0.2352 |
| 112.5 | 315.0 | 1.921 | 0.1523 |
| 112.5 | 345.0 | 1.021 | 0.1256 |
| 127.5 | 15.0 | 0.595 | 0.1167 |
| 127.5 | 45.0 | 1.358 | 0.1368 |
| 127.5 | 75.0 | 2.161 | 0.1786 |
| 127.5 | 105.0 | 2.35 | 0.2001 |
| 127.5 | 135.0 | 1.964 | 0.2049 |
| 127.5 | 165.0 | 1.648 | 0.2103 |
| 127.5 | 195.0 | 2.734 | 0.5658 |
| 127.5 | 225.0 | 1.976 | 0.1895 |
| 127.5 | 255.0 | 2.117 | 0.1674 |
| 127.5 | 285.0 | 2.242 | 0.1956 |
| 127.5 | 315.0 | 1.35 | 0.1337 |
| 127.5 | 345.0 | 0.6109 | 0.1069 |
| 142.5 | 15.0 | 0.4883 | 0.08767 |
| 142.5 | 45.0 | 0.8396 | 0.1198 |
| 142.5 | 75.0 | 1.212 | 0.1368 |
| 142.5 | 105.0 | 1.231 | 0.2797 |
| 142.5 | 135.0 | 1.15 | 0.2362 |
| 142.5 | 225.0 | 1.439 | 0.4412 |
| 142.5 | 255.0 | 2.303 | 0.788 |
| 142.5 | 285.0 | 1.404 | 0.1699 |
| 142.5 | 315.0 | 1.168 | 0.1916 |
| 142.5 | 345.0 | 0.5409 | 0.1187 |
| 157.5 | 15.0 | 0.4233 | 0.1095 |
| 157.5 | 345.0 | 0.4327 | 0.1612 |
Measurement comment:
Experiment comment: