Measurement E8M28
| 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: | 1.16 — 1.18 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 3.989 | 0.9534 |
| 7.5 | 45.0 | 4.1 | 0.7673 |
| 7.5 | 75.0 | 4.727 | 0.8934 |
| 7.5 | 105.0 | 6.07 | 1.05 |
| 7.5 | 135.0 | 5.558 | 0.8911 |
| 7.5 | 165.0 | 6.911 | 1.099 |
| 7.5 | 195.0 | 7.521 | 1.189 |
| 7.5 | 225.0 | 6.096 | 0.9642 |
| 7.5 | 255.0 | 5.996 | 1.027 |
| 7.5 | 285.0 | 6.469 | 1.211 |
| 7.5 | 315.0 | 2.952 | 0.6055 |
| 7.5 | 345.0 | 5.912 | 1.548 |
| 22.5 | 15.0 | 2.682 | 0.4537 |
| 22.5 | 45.0 | 4.492 | 0.653 |
| 22.5 | 75.0 | 5.974 | 0.674 |
| 22.5 | 105.0 | 7.126 | 0.6281 |
| 22.5 | 135.0 | 8.479 | 0.6437 |
| 22.5 | 165.0 | 7.85 | 0.6115 |
| 22.5 | 195.0 | 7.039 | 0.5517 |
| 22.5 | 225.0 | 7.19 | 0.5762 |
| 22.5 | 255.0 | 6.523 | 0.6262 |
| 22.5 | 285.0 | 5.324 | 0.6595 |
| 22.5 | 315.0 | 3.979 | 0.5729 |
| 22.5 | 345.0 | 2.609 | 0.5283 |
| 37.5 | 45.0 | 4.405 | 1.283 |
| 37.5 | 75.0 | 6.729 | 0.8807 |
| 37.5 | 105.0 | 6.76 | 0.6576 |
| 37.5 | 135.0 | 7.869 | 0.5549 |
| 37.5 | 165.0 | 8.352 | 0.5183 |
| 37.5 | 195.0 | 8.969 | 0.5353 |
| 37.5 | 225.0 | 7.994 | 0.5523 |
| 37.5 | 255.0 | 8.848 | 0.8185 |
| 37.5 | 285.0 | 6.38 | 0.9238 |
| 37.5 | 315.0 | 5.985 | 3.082 |
| 52.5 | 45.0 | 4.342 | 0.4685 |
| 52.5 | 75.0 | 7.683 | 0.5592 |
| 52.5 | 105.0 | 10.45 | 0.9187 |
| 52.5 | 135.0 | 10.24 | 0.7102 |
| 52.5 | 165.0 | 8.392 | 0.4859 |
| 52.5 | 195.0 | 8.503 | 0.5079 |
| 52.5 | 225.0 | 10.34 | 0.6886 |
| 52.5 | 255.0 | 11.75 | 0.9508 |
| 52.5 | 285.0 | 9.336 | 0.6832 |
| 52.5 | 315.0 | 4.64 | 0.4855 |
| 67.5 | 45.0 | 6.547 | 0.4218 |
| 67.5 | 75.0 | 9.883 | 0.465 |
| 67.5 | 105.0 | 11.6 | 0.7038 |
| 67.5 | 135.0 | 8.528 | 0.766 |
| 67.5 | 165.0 | 7.887 | 0.4863 |
| 67.5 | 195.0 | 7.9 | 0.4823 |
| 67.5 | 225.0 | 9.651 | 0.7942 |
| 67.5 | 255.0 | 12.1 | 0.7364 |
| 67.5 | 285.0 | 10.44 | 0.5057 |
| 67.5 | 315.0 | 6.003 | 0.3603 |
| 82.5 | 45.0 | 7.905 | 0.791 |
| 82.5 | 75.0 | 10.79 | 0.4903 |
| 82.5 | 105.0 | 13.86 | 0.6674 |
| 82.5 | 135.0 | 11.88 | 0.7969 |
| 82.5 | 165.0 | 7.733 | 0.393 |
| 82.5 | 195.0 | 7.404 | 0.3732 |
| 82.5 | 225.0 | 10.51 | 0.769 |
| 82.5 | 255.0 | 12.87 | 0.5891 |
| 82.5 | 285.0 | 12.07 | 0.5319 |
| 82.5 | 315.0 | 7.228 | 0.6112 |
| 97.5 | 15.0 | 2.635 | 0.3254 |
| 97.5 | 45.0 | 6.968 | 0.6162 |
| 97.5 | 75.0 | 11.73 | 0.6276 |
| 97.5 | 105.0 | 13.12 | 0.5684 |
| 97.5 | 135.0 | 10.56 | 0.6619 |
| 97.5 | 165.0 | 7.072 | 0.4595 |
| 97.5 | 195.0 | 7.167 | 0.459 |
| 97.5 | 225.0 | 10.24 | 0.6904 |
| 97.5 | 255.0 | 11.67 | 0.5023 |
| 97.5 | 285.0 | 13.54 | 0.6775 |
| 97.5 | 315.0 | 6.472 | 0.5648 |
| 112.5 | 15.0 | 5.515 | 1.0 |
| 112.5 | 45.0 | 7.76 | 0.5745 |
| 112.5 | 75.0 | 12.26 | 0.9137 |
| 112.5 | 105.0 | 12.82 | 0.5637 |
| 112.5 | 135.0 | 9.366 | 0.7202 |
| 112.5 | 165.0 | 6.48 | 0.5628 |
| 112.5 | 195.0 | 6.682 | 0.5385 |
| 112.5 | 225.0 | 9.304 | 0.6732 |
| 112.5 | 255.0 | 12.15 | 0.5393 |
| 112.5 | 285.0 | 12.16 | 0.8536 |
| 112.5 | 315.0 | 7.307 | 0.4913 |
| 112.5 | 345.0 | 4.8 | 0.7198 |
| 127.5 | 15.0 | 5.526 | 0.687 |
| 127.5 | 45.0 | 8.663 | 0.5835 |
| 127.5 | 75.0 | 8.412 | 0.7283 |
| 127.5 | 105.0 | 11.4 | 0.6952 |
| 127.5 | 135.0 | 8.372 | 0.9106 |
| 127.5 | 225.0 | 8.815 | 0.7362 |
| 127.5 | 255.0 | 11.15 | 0.6507 |
| 127.5 | 285.0 | 9.592 | 0.7918 |
| 127.5 | 315.0 | 8.557 | 0.6226 |
| 127.5 | 345.0 | 4.909 | 0.7054 |
| 142.5 | 15.0 | 10.33 | 2.542 |
| 142.5 | 45.0 | 9.673 | 1.005 |
| 142.5 | 75.0 | 11.87 | 1.203 |
| 142.5 | 105.0 | 11.16 | 4.246 |
| 142.5 | 255.0 | 8.316 | 1.683 |
| 142.5 | 285.0 | 14.38 | 1.462 |
| 142.5 | 315.0 | 10.71 | 1.238 |
| 142.5 | 345.0 | 11.32 | 4.428 |
| 157.5 | 15.0 | 7.424 | 2.196 |
| 157.5 | 345.0 | 9.21 | 2.84 |
Measurement comment:
Experiment comment: