Measurement E8M79
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.55 — 0.65 GeV2 | |
| W: | 1.3 — 1.32 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 15.11 | 4.329 |
| 7.5 | 45.0 | 11.28 | 2.418 |
| 7.5 | 75.0 | 7.372 | 1.983 |
| 7.5 | 105.0 | 9.194 | 2.417 |
| 7.5 | 135.0 | 12.35 | 5.731 |
| 7.5 | 165.0 | 7.739 | 1.968 |
| 7.5 | 195.0 | 18.0 | 8.191 |
| 7.5 | 225.0 | 9.839 | 4.41 |
| 7.5 | 255.0 | 6.978 | 2.267 |
| 7.5 | 285.0 | 7.942 | 1.644 |
| 7.5 | 315.0 | 18.69 | 5.89 |
| 7.5 | 345.0 | 9.547 | 1.751 |
| 22.5 | 15.0 | 10.79 | 1.67 |
| 22.5 | 45.0 | 13.26 | 3.371 |
| 22.5 | 75.0 | 11.68 | 2.1 |
| 22.5 | 105.0 | 13.32 | 3.823 |
| 22.5 | 255.0 | 10.74 | 4.604 |
| 22.5 | 285.0 | 14.91 | 4.485 |
| 22.5 | 315.0 | 10.94 | 2.516 |
| 22.5 | 345.0 | 10.44 | 1.28 |
| 37.5 | 45.0 | 7.159 | 1.277 |
| 37.5 | 75.0 | 9.798 | 1.57 |
| 37.5 | 135.0 | 8.082 | 1.14 |
| 37.5 | 165.0 | 8.019 | 0.6076 |
| 37.5 | 195.0 | 7.838 | 0.7223 |
| 37.5 | 225.0 | 5.811 | 1.026 |
| 37.5 | 285.0 | 9.929 | 1.517 |
| 37.5 | 315.0 | 8.611 | 1.351 |
| 52.5 | 45.0 | 5.403 | 0.5469 |
| 52.5 | 75.0 | 8.349 | 3.606 |
| 52.5 | 105.0 | 8.608 | 1.223 |
| 52.5 | 135.0 | 6.785 | 0.5735 |
| 52.5 | 165.0 | 5.774 | 0.3866 |
| 52.5 | 195.0 | 6.985 | 0.4657 |
| 52.5 | 225.0 | 5.773 | 0.4873 |
| 52.5 | 255.0 | 6.929 | 0.7121 |
| 52.5 | 315.0 | 7.293 | 0.7132 |
| 67.5 | 45.0 | 5.723 | 0.8515 |
| 67.5 | 75.0 | 5.823 | 1.374 |
| 67.5 | 105.0 | 7.051 | 0.4847 |
| 67.5 | 135.0 | 5.702 | 0.4771 |
| 67.5 | 165.0 | 4.524 | 0.3333 |
| 67.5 | 195.0 | 4.997 | 0.3625 |
| 67.5 | 225.0 | 5.654 | 0.4869 |
| 67.5 | 255.0 | 5.276 | 0.3761 |
| 67.5 | 315.0 | 4.405 | 0.7246 |
| 82.5 | 15.0 | 2.431 | 0.6408 |
| 82.5 | 45.0 | 3.953 | 2.222 |
| 82.5 | 75.0 | 4.695 | 0.4452 |
| 82.5 | 105.0 | 5.192 | 0.3714 |
| 82.5 | 135.0 | 4.24 | 0.4226 |
| 82.5 | 165.0 | 4.285 | 0.4016 |
| 82.5 | 195.0 | 3.621 | 0.3349 |
| 82.5 | 225.0 | 5.029 | 0.5211 |
| 82.5 | 255.0 | 5.125 | 0.3638 |
| 82.5 | 285.0 | 4.427 | 0.4089 |
| 82.5 | 315.0 | 4.436 | 1.455 |
| 82.5 | 345.0 | 2.219 | 0.6724 |
| 97.5 | 45.0 | 2.223 | 0.3067 |
| 97.5 | 75.0 | 3.43 | 0.4039 |
| 97.5 | 105.0 | 3.489 | 0.2881 |
| 97.5 | 135.0 | 3.296 | 0.3964 |
| 97.5 | 165.0 | 2.619 | 0.3076 |
| 97.5 | 195.0 | 3.612 | 0.5937 |
| 97.5 | 225.0 | 4.16 | 0.4758 |
| 97.5 | 255.0 | 4.314 | 0.3617 |
| 97.5 | 285.0 | 3.337 | 0.3703 |
| 97.5 | 315.0 | 2.649 | 0.6443 |
| 112.5 | 15.0 | 0.9349 | 0.3478 |
| 112.5 | 45.0 | 1.839 | 0.2424 |
| 112.5 | 75.0 | 2.612 | 0.3917 |
| 112.5 | 105.0 | 2.574 | 0.2969 |
| 112.5 | 135.0 | 2.457 | 0.2913 |
| 112.5 | 165.0 | 2.306 | 0.3238 |
| 112.5 | 195.0 | 2.432 | 0.4006 |
| 112.5 | 225.0 | 2.415 | 0.289 |
| 112.5 | 255.0 | 2.457 | 0.2598 |
| 112.5 | 285.0 | 2.135 | 0.3086 |
| 112.5 | 315.0 | 2.397 | 0.3013 |
| 127.5 | 15.0 | 0.9951 | 0.2817 |
| 127.5 | 45.0 | 1.463 | 0.2311 |
| 127.5 | 75.0 | 1.371 | 0.2438 |
| 127.5 | 105.0 | 1.507 | 0.2275 |
| 127.5 | 135.0 | 1.398 | 0.2494 |
| 127.5 | 165.0 | 1.51 | 0.353 |
| 127.5 | 195.0 | 1.241 | 0.2334 |
| 127.5 | 225.0 | 1.722 | 0.5043 |
| 127.5 | 255.0 | 1.945 | 0.2824 |
| 127.5 | 285.0 | 2.11 | 0.3033 |
| 127.5 | 315.0 | 1.481 | 0.2578 |
| 127.5 | 345.0 | 0.5712 | 0.1786 |
| 142.5 | 15.0 | 0.6401 | 0.1772 |
| 142.5 | 45.0 | 1.767 | 0.9636 |
| 142.5 | 75.0 | 0.9007 | 0.2032 |
| 142.5 | 105.0 | 1.094 | 0.4542 |
| 142.5 | 135.0 | 0.6493 | 0.1807 |
| 142.5 | 225.0 | 1.035 | 0.3529 |
| 142.5 | 255.0 | 0.8766 | 0.245 |
| 142.5 | 285.0 | 1.315 | 0.2689 |
| 142.5 | 315.0 | 1.891 | 0.826 |
| 142.5 | 345.0 | 0.6788 | 0.1865 |
| 157.5 | 15.0 | 0.4053 | 0.1468 |
| 157.5 | 345.0 | 0.6477 | 0.3816 |
Measurement comment:
Experiment comment: