Measurement E8M51
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.45 — 0.55 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 | 2.912 | 0.894 |
| 7.5 | 45.0 | 4.33 | 1.367 |
| 7.5 | 75.0 | 4.411 | 0.999 |
| 7.5 | 105.0 | 3.801 | 1.112 |
| 7.5 | 135.0 | 4.76 | 1.313 |
| 7.5 | 165.0 | 4.34 | 1.012 |
| 7.5 | 195.0 | 2.886 | 0.6813 |
| 7.5 | 225.0 | 5.049 | 1.218 |
| 7.5 | 255.0 | 4.873 | 1.746 |
| 7.5 | 285.0 | 5.067 | 1.457 |
| 7.5 | 315.0 | 2.422 | 0.7762 |
| 7.5 | 345.0 | 2.482 | 1.098 |
| 22.5 | 15.0 | 1.762 | 0.746 |
| 22.5 | 45.0 | 3.024 | 0.6342 |
| 22.5 | 75.0 | 4.59 | 0.7899 |
| 22.5 | 105.0 | 4.415 | 0.5342 |
| 22.5 | 135.0 | 5.942 | 0.597 |
| 22.5 | 165.0 | 5.213 | 0.4856 |
| 22.5 | 195.0 | 5.35 | 0.4847 |
| 22.5 | 225.0 | 5.659 | 0.5588 |
| 22.5 | 255.0 | 4.225 | 0.5089 |
| 22.5 | 285.0 | 4.319 | 0.6652 |
| 22.5 | 315.0 | 4.167 | 0.9011 |
| 22.5 | 345.0 | 2.654 | 1.383 |
| 37.5 | 15.0 | 2.093 | 0.9465 |
| 37.5 | 45.0 | 4.098 | 1.974 |
| 37.5 | 75.0 | 5.272 | 0.7241 |
| 37.5 | 105.0 | 6.284 | 0.6767 |
| 37.5 | 135.0 | 6.312 | 0.5118 |
| 37.5 | 165.0 | 6.323 | 0.4826 |
| 37.5 | 195.0 | 6.634 | 0.5002 |
| 37.5 | 225.0 | 5.789 | 0.4789 |
| 37.5 | 255.0 | 6.957 | 0.9043 |
| 37.5 | 285.0 | 3.936 | 0.6637 |
| 37.5 | 315.0 | 3.719 | 1.321 |
| 52.5 | 75.0 | 6.328 | 0.5825 |
| 52.5 | 105.0 | 6.361 | 0.6153 |
| 52.5 | 135.0 | 7.55 | 0.6212 |
| 52.5 | 165.0 | 7.046 | 0.455 |
| 52.5 | 195.0 | 6.23 | 0.4083 |
| 52.5 | 225.0 | 7.629 | 0.6479 |
| 52.5 | 255.0 | 7.905 | 0.7243 |
| 52.5 | 285.0 | 6.436 | 0.5496 |
| 52.5 | 315.0 | 4.042 | 0.8494 |
| 67.5 | 45.0 | 5.79 | 0.4797 |
| 67.5 | 75.0 | 8.731 | 0.4927 |
| 67.5 | 105.0 | 11.16 | 0.8894 |
| 67.5 | 135.0 | 8.08 | 0.6816 |
| 67.5 | 165.0 | 6.498 | 0.4627 |
| 67.5 | 195.0 | 6.708 | 0.4631 |
| 67.5 | 225.0 | 7.454 | 0.6353 |
| 67.5 | 255.0 | 10.47 | 0.6935 |
| 67.5 | 285.0 | 8.763 | 0.4934 |
| 67.5 | 315.0 | 5.938 | 0.4376 |
| 82.5 | 45.0 | 7.597 | 1.339 |
| 82.5 | 75.0 | 11.13 | 0.5596 |
| 82.5 | 105.0 | 10.74 | 0.6032 |
| 82.5 | 135.0 | 9.088 | 0.7013 |
| 82.5 | 165.0 | 6.107 | 0.3669 |
| 82.5 | 195.0 | 6.625 | 0.3866 |
| 82.5 | 225.0 | 7.709 | 0.667 |
| 82.5 | 255.0 | 11.38 | 0.6299 |
| 82.5 | 285.0 | 10.09 | 0.4955 |
| 82.5 | 315.0 | 6.719 | 1.135 |
| 97.5 | 45.0 | 5.826 | 0.523 |
| 97.5 | 75.0 | 9.399 | 0.5724 |
| 97.5 | 105.0 | 10.57 | 0.5421 |
| 97.5 | 135.0 | 8.009 | 0.5855 |
| 97.5 | 165.0 | 5.17 | 0.3841 |
| 97.5 | 195.0 | 5.136 | 0.3613 |
| 97.5 | 225.0 | 8.08 | 0.5925 |
| 97.5 | 255.0 | 10.52 | 0.5468 |
| 97.5 | 285.0 | 9.702 | 0.5342 |
| 97.5 | 315.0 | 6.579 | 0.6079 |
| 112.5 | 15.0 | 3.949 | 0.7156 |
| 112.5 | 45.0 | 6.579 | 0.4993 |
| 112.5 | 75.0 | 10.13 | 0.7437 |
| 112.5 | 105.0 | 9.627 | 0.4827 |
| 112.5 | 135.0 | 8.075 | 0.7029 |
| 112.5 | 165.0 | 5.086 | 0.4264 |
| 112.5 | 195.0 | 5.801 | 0.4863 |
| 112.5 | 225.0 | 7.531 | 0.5876 |
| 112.5 | 255.0 | 10.75 | 0.5451 |
| 112.5 | 285.0 | 9.812 | 0.7291 |
| 112.5 | 315.0 | 7.095 | 0.527 |
| 112.5 | 345.0 | 5.041 | 1.542 |
| 127.5 | 15.0 | 3.605 | 0.6606 |
| 127.5 | 45.0 | 6.077 | 0.473 |
| 127.5 | 75.0 | 8.888 | 0.7893 |
| 127.5 | 105.0 | 9.028 | 0.6061 |
| 127.5 | 135.0 | 8.489 | 0.8987 |
| 127.5 | 165.0 | 4.243 | 0.6303 |
| 127.5 | 195.0 | 9.921 | 4.554 |
| 127.5 | 225.0 | 8.294 | 1.197 |
| 127.5 | 255.0 | 8.05 | 0.5384 |
| 127.5 | 285.0 | 10.4 | 0.8877 |
| 127.5 | 315.0 | 7.519 | 0.65 |
| 127.5 | 345.0 | 5.896 | 1.106 |
| 142.5 | 15.0 | 8.513 | 1.415 |
| 142.5 | 45.0 | 7.315 | 0.8251 |
| 142.5 | 75.0 | 8.105 | 1.04 |
| 142.5 | 105.0 | 6.576 | 1.004 |
| 142.5 | 255.0 | 9.603 | 1.564 |
| 142.5 | 285.0 | 8.954 | 1.086 |
| 142.5 | 315.0 | 7.483 | 1.043 |
| 142.5 | 345.0 | 5.429 | 1.095 |
Measurement comment:
Experiment comment: