Measurement E8M27
| 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: | 1.14 — 1.16 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 4.982 | 1.097 |
| 7.5 | 45.0 | 3.726 | 0.7803 |
| 7.5 | 75.0 | 4.302 | 1.002 |
| 7.5 | 105.0 | 3.926 | 0.7563 |
| 7.5 | 135.0 | 4.431 | 0.8461 |
| 7.5 | 165.0 | 5.121 | 0.882 |
| 7.5 | 195.0 | 5.393 | 0.9274 |
| 7.5 | 225.0 | 4.304 | 0.7252 |
| 7.5 | 255.0 | 6.356 | 1.397 |
| 7.5 | 285.0 | 4.922 | 1.122 |
| 7.5 | 315.0 | 5.005 | 1.276 |
| 7.5 | 345.0 | 5.688 | 1.373 |
| 22.5 | 15.0 | 3.172 | 0.4717 |
| 22.5 | 45.0 | 4.57 | 0.8525 |
| 22.5 | 75.0 | 5.666 | 0.6709 |
| 22.5 | 105.0 | 5.735 | 0.6433 |
| 22.5 | 135.0 | 5.87 | 0.5594 |
| 22.5 | 165.0 | 5.914 | 0.575 |
| 22.5 | 195.0 | 5.206 | 0.4795 |
| 22.5 | 225.0 | 7.238 | 0.6396 |
| 22.5 | 255.0 | 5.447 | 0.6404 |
| 22.5 | 285.0 | 4.111 | 0.6261 |
| 22.5 | 315.0 | 3.119 | 0.5184 |
| 22.5 | 345.0 | 2.999 | 0.4438 |
| 37.5 | 15.0 | 2.91 | 0.5333 |
| 37.5 | 45.0 | 4.534 | 1.061 |
| 37.5 | 75.0 | 3.686 | 0.6286 |
| 37.5 | 105.0 | 8.064 | 0.8256 |
| 37.5 | 135.0 | 6.881 | 0.5534 |
| 37.5 | 165.0 | 6.319 | 0.4583 |
| 37.5 | 195.0 | 6.482 | 0.4796 |
| 37.5 | 225.0 | 6.886 | 0.5726 |
| 37.5 | 255.0 | 6.832 | 0.6953 |
| 37.5 | 285.0 | 5.802 | 1.069 |
| 37.5 | 315.0 | 4.442 | 1.066 |
| 37.5 | 345.0 | 1.949 | 0.3497 |
| 52.5 | 45.0 | 2.53 | 0.4022 |
| 52.5 | 75.0 | 6.783 | 0.6949 |
| 52.5 | 105.0 | 6.839 | 0.7742 |
| 52.5 | 135.0 | 7.844 | 0.6969 |
| 52.5 | 165.0 | 6.812 | 0.4862 |
| 52.5 | 195.0 | 6.941 | 0.485 |
| 52.5 | 225.0 | 9.125 | 0.7332 |
| 52.5 | 255.0 | 6.156 | 0.7064 |
| 52.5 | 285.0 | 5.97 | 0.668 |
| 52.5 | 315.0 | 3.688 | 0.6557 |
| 67.5 | 45.0 | 4.434 | 0.3746 |
| 67.5 | 75.0 | 7.397 | 0.442 |
| 67.5 | 105.0 | 8.003 | 0.6619 |
| 67.5 | 135.0 | 8.415 | 0.8511 |
| 67.5 | 165.0 | 6.269 | 0.4109 |
| 67.5 | 195.0 | 7.235 | 0.4555 |
| 67.5 | 225.0 | 7.386 | 0.7637 |
| 67.5 | 255.0 | 9.024 | 0.7221 |
| 67.5 | 285.0 | 6.782 | 0.4373 |
| 67.5 | 315.0 | 4.551 | 0.3427 |
| 82.5 | 45.0 | 5.006 | 0.5733 |
| 82.5 | 75.0 | 7.833 | 0.4486 |
| 82.5 | 105.0 | 9.332 | 0.5969 |
| 82.5 | 135.0 | 7.504 | 0.6305 |
| 82.5 | 165.0 | 6.103 | 0.3652 |
| 82.5 | 195.0 | 6.546 | 0.3839 |
| 82.5 | 225.0 | 8.44 | 0.7366 |
| 82.5 | 255.0 | 8.761 | 0.5088 |
| 82.5 | 285.0 | 7.876 | 0.4445 |
| 82.5 | 315.0 | 5.495 | 0.5363 |
| 97.5 | 45.0 | 4.904 | 0.6622 |
| 97.5 | 75.0 | 7.824 | 0.5102 |
| 97.5 | 105.0 | 9.052 | 0.4933 |
| 97.5 | 135.0 | 6.953 | 0.6113 |
| 97.5 | 165.0 | 5.462 | 0.401 |
| 97.5 | 195.0 | 5.301 | 0.4077 |
| 97.5 | 225.0 | 7.43 | 0.8306 |
| 97.5 | 255.0 | 9.677 | 0.5002 |
| 97.5 | 285.0 | 8.002 | 0.5082 |
| 97.5 | 315.0 | 4.907 | 0.7678 |
| 112.5 | 15.0 | 3.992 | 1.547 |
| 112.5 | 45.0 | 5.536 | 0.5272 |
| 112.5 | 75.0 | 8.132 | 0.778 |
| 112.5 | 105.0 | 8.976 | 0.5025 |
| 112.5 | 135.0 | 7.651 | 1.158 |
| 112.5 | 165.0 | 5.077 | 0.5209 |
| 112.5 | 195.0 | 4.726 | 0.4289 |
| 112.5 | 225.0 | 6.281 | 0.6364 |
| 112.5 | 255.0 | 8.391 | 0.4627 |
| 112.5 | 285.0 | 6.985 | 0.6139 |
| 112.5 | 315.0 | 5.058 | 0.5539 |
| 112.5 | 345.0 | 3.246 | 0.7515 |
| 127.5 | 15.0 | 5.552 | 2.568 |
| 127.5 | 45.0 | 6.501 | 0.6184 |
| 127.5 | 75.0 | 7.424 | 0.9858 |
| 127.5 | 105.0 | 8.562 | 0.7505 |
| 127.5 | 135.0 | 6.058 | 0.8881 |
| 127.5 | 165.0 | 6.031 | 2.451 |
| 127.5 | 225.0 | 9.097 | 2.148 |
| 127.5 | 255.0 | 8.702 | 0.6787 |
| 127.5 | 285.0 | 7.415 | 0.8389 |
| 127.5 | 315.0 | 6.181 | 0.6476 |
| 127.5 | 345.0 | 2.985 | 0.8731 |
| 142.5 | 15.0 | 5.098 | 1.556 |
| 142.5 | 45.0 | 5.883 | 0.8353 |
| 142.5 | 75.0 | 7.33 | 1.249 |
| 142.5 | 105.0 | 8.656 | 1.894 |
| 142.5 | 285.0 | 8.349 | 1.411 |
| 142.5 | 315.0 | 8.128 | 1.794 |
| 142.5 | 345.0 | 6.057 | 2.742 |
Measurement comment:
Experiment comment: