Measurement E8M70
| 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: | 1.12 — 1.14 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 22.5 | 15.0 | 2.575 | 1.051 |
| 22.5 | 45.0 | 2.22 | 0.7238 |
| 22.5 | 75.0 | 3.231 | 0.818 |
| 22.5 | 105.0 | 3.059 | 0.7137 |
| 22.5 | 135.0 | 2.236 | 0.4578 |
| 22.5 | 165.0 | 3.412 | 0.5598 |
| 22.5 | 195.0 | 3.63 | 0.7837 |
| 22.5 | 225.0 | 2.732 | 0.6867 |
| 22.5 | 255.0 | 2.521 | 0.5704 |
| 22.5 | 285.0 | 2.661 | 0.7283 |
| 22.5 | 315.0 | 3.095 | 1.387 |
| 22.5 | 345.0 | 3.26 | 1.048 |
| 37.5 | 15.0 | 3.026 | 1.1 |
| 37.5 | 45.0 | 2.331 | 1.316 |
| 37.5 | 75.0 | 2.565 | 0.6863 |
| 37.5 | 105.0 | 4.019 | 0.8595 |
| 37.5 | 135.0 | 3.338 | 0.5294 |
| 37.5 | 165.0 | 3.657 | 0.5274 |
| 37.5 | 195.0 | 3.297 | 0.4824 |
| 37.5 | 225.0 | 3.515 | 0.4887 |
| 37.5 | 255.0 | 4.013 | 0.7854 |
| 37.5 | 285.0 | 3.6 | 1.02 |
| 37.5 | 315.0 | 1.811 | 0.7646 |
| 37.5 | 345.0 | 1.493 | 0.474 |
| 52.5 | 15.0 | 3.791 | 1.95 |
| 52.5 | 45.0 | 2.072 | 1.222 |
| 52.5 | 75.0 | 4.068 | 1.497 |
| 52.5 | 105.0 | 4.02 | 1.031 |
| 52.5 | 135.0 | 4.845 | 0.7437 |
| 52.5 | 165.0 | 3.389 | 0.4227 |
| 52.5 | 195.0 | 3.287 | 0.3875 |
| 52.5 | 225.0 | 3.696 | 0.6242 |
| 52.5 | 255.0 | 2.752 | 0.4525 |
| 52.5 | 285.0 | 2.485 | 0.5633 |
| 52.5 | 315.0 | 2.655 | 1.014 |
| 67.5 | 45.0 | 2.263 | 0.5853 |
| 67.5 | 75.0 | 3.391 | 0.453 |
| 67.5 | 105.0 | 3.592 | 0.6014 |
| 67.5 | 135.0 | 3.551 | 0.552 |
| 67.5 | 165.0 | 3.016 | 0.4182 |
| 67.5 | 195.0 | 3.369 | 0.4475 |
| 67.5 | 225.0 | 3.557 | 0.6328 |
| 67.5 | 255.0 | 3.77 | 0.5973 |
| 67.5 | 285.0 | 3.52 | 0.5796 |
| 67.5 | 315.0 | 1.85 | 0.4213 |
| 82.5 | 45.0 | 2.174 | 0.3282 |
| 82.5 | 75.0 | 3.703 | 0.4159 |
| 82.5 | 105.0 | 4.277 | 0.5975 |
| 82.5 | 135.0 | 4.912 | 1.036 |
| 82.5 | 165.0 | 2.581 | 0.3249 |
| 82.5 | 195.0 | 3.457 | 0.4982 |
| 82.5 | 225.0 | 3.799 | 0.6799 |
| 82.5 | 255.0 | 4.011 | 0.5506 |
| 82.5 | 285.0 | 3.818 | 0.413 |
| 82.5 | 315.0 | 2.602 | 0.4337 |
| 97.5 | 45.0 | 2.333 | 0.6093 |
| 97.5 | 75.0 | 3.84 | 0.4776 |
| 97.5 | 105.0 | 4.164 | 0.5151 |
| 97.5 | 135.0 | 3.31 | 0.4691 |
| 97.5 | 165.0 | 2.495 | 0.3089 |
| 97.5 | 195.0 | 2.892 | 0.3539 |
| 97.5 | 225.0 | 3.703 | 0.5598 |
| 97.5 | 255.0 | 4.515 | 0.5759 |
| 97.5 | 285.0 | 3.025 | 0.3508 |
| 97.5 | 315.0 | 2.495 | 0.4566 |
| 112.5 | 45.0 | 2.553 | 1.105 |
| 112.5 | 75.0 | 4.037 | 0.6519 |
| 112.5 | 105.0 | 3.81 | 0.5349 |
| 112.5 | 135.0 | 3.263 | 0.579 |
| 112.5 | 165.0 | 2.224 | 0.4504 |
| 112.5 | 195.0 | 2.163 | 0.4461 |
| 112.5 | 225.0 | 2.996 | 0.5683 |
| 112.5 | 255.0 | 3.926 | 0.4627 |
| 112.5 | 285.0 | 3.045 | 0.4871 |
| 112.5 | 315.0 | 2.232 | 0.8533 |
| 127.5 | 45.0 | 1.584 | 0.8868 |
| 127.5 | 75.0 | 2.703 | 0.7901 |
| 127.5 | 105.0 | 3.845 | 0.6217 |
| 127.5 | 135.0 | 3.548 | 0.8613 |
| 127.5 | 165.0 | 3.041 | 0.708 |
| 127.5 | 195.0 | 3.821 | 1.108 |
| 127.5 | 225.0 | 3.513 | 1.229 |
| 127.5 | 255.0 | 3.644 | 0.8333 |
| 127.5 | 285.0 | 5.104 | 1.258 |
| 127.5 | 315.0 | 2.468 | 0.7875 |
| 142.5 | 105.0 | 4.428 | 3.327 |
| 142.5 | 315.0 | 2.506 | 1.577 |
Measurement comment:
Experiment comment: