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Measurement E8M1
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.25 — 0.35 GeV2 | |
| W: | 1.1 — 1.12 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 15.37 | 5.217 |
| 7.5 | 45.0 | 4.511 | 1.682 |
| 7.5 | 75.0 | 4.478 | 1.547 |
| 7.5 | 105.0 | 5.136 | 1.457 |
| 7.5 | 135.0 | 5.078 | 1.123 |
| 7.5 | 165.0 | 5.875 | 2.016 |
| 7.5 | 195.0 | 5.084 | 1.983 |
| 7.5 | 225.0 | 6.273 | 1.716 |
| 7.5 | 255.0 | 10.64 | 3.299 |
| 7.5 | 285.0 | 3.248 | 0.8509 |
| 7.5 | 315.0 | 3.49 | 1.565 |
| 7.5 | 345.0 | 2.533 | 0.873 |
| 22.5 | 15.0 | 3.129 | 0.628 |
| 22.5 | 45.0 | 2.639 | 0.4666 |
| 22.5 | 75.0 | 3.589 | 0.5794 |
| 22.5 | 105.0 | 4.842 | 0.7029 |
| 22.5 | 135.0 | 5.07 | 0.7809 |
| 22.5 | 165.0 | 5.759 | 1.078 |
| 22.5 | 195.0 | 5.542 | 0.8599 |
| 22.5 | 225.0 | 5.507 | 0.8328 |
| 22.5 | 255.0 | 5.13 | 0.843 |
| 22.5 | 285.0 | 4.396 | 0.657 |
| 22.5 | 315.0 | 5.06 | 0.8829 |
| 22.5 | 345.0 | 2.198 | 0.4541 |
| 37.5 | 15.0 | 2.325 | 0.4178 |
| 37.5 | 45.0 | 3.496 | 0.7745 |
| 37.5 | 75.0 | 4.476 | 1.365 |
| 37.5 | 105.0 | 5.276 | 0.7831 |
| 37.5 | 135.0 | 5.487 | 0.6487 |
| 37.5 | 165.0 | 4.644 | 0.6007 |
| 37.5 | 195.0 | 7.462 | 1.083 |
| 37.5 | 225.0 | 6.022 | 0.7469 |
| 37.5 | 255.0 | 6.269 | 1.419 |
| 37.5 | 285.0 | 3.345 | 0.7848 |
| 37.5 | 315.0 | 2.819 | 0.6852 |
| 37.5 | 345.0 | 2.178 | 0.3893 |
| 52.5 | 75.0 | 3.377 | 0.993 |
| 52.5 | 135.0 | 7.008 | 0.9665 |
| 52.5 | 165.0 | 5.859 | 0.6565 |
| 52.5 | 195.0 | 6.266 | 0.633 |
| 52.5 | 225.0 | 6.578 | 1.008 |
| 52.5 | 345.0 | 3.281 | 1.533 |
| 67.5 | 45.0 | 1.704 | 0.3243 |
| 67.5 | 75.0 | 3.747 | 0.495 |
| 67.5 | 105.0 | 5.557 | 1.35 |
| 67.5 | 135.0 | 9.01 | 1.758 |
| 67.5 | 165.0 | 5.023 | 0.4217 |
| 67.5 | 195.0 | 5.098 | 0.4392 |
| 67.5 | 225.0 | 5.526 | 1.379 |
| 67.5 | 255.0 | 6.707 | 2.027 |
| 67.5 | 285.0 | 3.493 | 0.4543 |
| 67.5 | 315.0 | 1.949 | 0.483 |
| 82.5 | 45.0 | 2.258 | 0.506 |
| 82.5 | 75.0 | 4.951 | 0.7095 |
| 82.5 | 105.0 | 5.273 | 0.5417 |
| 82.5 | 135.0 | 6.025 | 2.075 |
| 82.5 | 165.0 | 4.439 | 0.4801 |
| 82.5 | 195.0 | 4.568 | 0.4656 |
| 82.5 | 225.0 | 3.468 | 0.6595 |
| 82.5 | 255.0 | 3.696 | 0.4607 |
| 82.5 | 285.0 | 4.561 | 0.482 |
| 82.5 | 315.0 | 2.78 | 0.485 |
| 97.5 | 75.0 | 4.374 | 0.5938 |
| 97.5 | 105.0 | 4.75 | 0.5017 |
| 97.5 | 135.0 | 3.182 | 0.7444 |
| 97.5 | 165.0 | 4.712 | 0.6309 |
| 97.5 | 195.0 | 3.681 | 0.4224 |
| 97.5 | 225.0 | 5.889 | 2.102 |
| 97.5 | 255.0 | 4.544 | 0.4748 |
| 97.5 | 285.0 | 4.421 | 0.487 |
| 112.5 | 75.0 | 7.512 | 2.01 |
| 112.5 | 105.0 | 5.942 | 0.7635 |
| 112.5 | 165.0 | 5.211 | 1.104 |
| 112.5 | 195.0 | 7.247 | 2.154 |
| 112.5 | 225.0 | 7.347 | 2.06 |
| 112.5 | 255.0 | 5.462 | 0.6122 |
| 112.5 | 285.0 | 5.727 | 1.751 |
| 127.5 | 45.0 | 2.718 | 1.202 |
| 127.5 | 75.0 | 5.341 | 2.392 |
| 127.5 | 105.0 | 9.306 | 2.408 |
| 127.5 | 255.0 | 6.292 | 1.04 |
| 127.5 | 315.0 | 4.056 | 2.286 |
Measurement comment:
Experiment comment: