Measurement E8M80
| 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: | 1.32 — 1.34 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 11.76 | 2.003 |
| 7.5 | 45.0 | 16.85 | 4.738 |
| 7.5 | 75.0 | 8.73 | 1.705 |
| 7.5 | 105.0 | 14.14 | 3.454 |
| 7.5 | 135.0 | 7.892 | 1.733 |
| 7.5 | 165.0 | 12.72 | 2.516 |
| 7.5 | 195.0 | 10.1 | 2.1 |
| 7.5 | 225.0 | 8.742 | 2.075 |
| 7.5 | 255.0 | 10.58 | 2.411 |
| 7.5 | 285.0 | 12.59 | 2.807 |
| 7.5 | 315.0 | 12.49 | 3.291 |
| 7.5 | 345.0 | 13.03 | 3.705 |
| 22.5 | 15.0 | 8.253 | 1.011 |
| 22.5 | 45.0 | 9.944 | 2.172 |
| 22.5 | 75.0 | 10.68 | 2.16 |
| 22.5 | 105.0 | 8.677 | 1.835 |
| 22.5 | 255.0 | 7.803 | 1.9 |
| 22.5 | 285.0 | 7.35 | 1.262 |
| 22.5 | 315.0 | 9.587 | 3.196 |
| 22.5 | 345.0 | 9.026 | 1.142 |
| 37.5 | 45.0 | 9.52 | 1.903 |
| 37.5 | 75.0 | 9.35 | 1.311 |
| 37.5 | 165.0 | 6.99 | 1.061 |
| 37.5 | 195.0 | 6.378 | 0.6964 |
| 37.5 | 285.0 | 8.147 | 1.111 |
| 37.5 | 315.0 | 6.739 | 1.078 |
| 52.5 | 45.0 | 5.973 | 0.6528 |
| 52.5 | 75.0 | 6.686 | 0.9626 |
| 52.5 | 105.0 | 8.417 | 1.95 |
| 52.5 | 135.0 | 6.073 | 0.5276 |
| 52.5 | 165.0 | 6.056 | 0.4423 |
| 52.5 | 195.0 | 5.173 | 0.3488 |
| 52.5 | 225.0 | 5.5 | 0.4734 |
| 52.5 | 255.0 | 7.012 | 1.473 |
| 52.5 | 285.0 | 5.358 | 0.8941 |
| 52.5 | 315.0 | 6.434 | 0.652 |
| 67.5 | 45.0 | 4.001 | 0.6392 |
| 67.5 | 75.0 | 3.94 | 0.5821 |
| 67.5 | 105.0 | 5.733 | 0.4258 |
| 67.5 | 135.0 | 4.538 | 0.4014 |
| 67.5 | 165.0 | 4.816 | 0.371 |
| 67.5 | 195.0 | 4.453 | 0.3325 |
| 67.5 | 225.0 | 4.681 | 0.4295 |
| 67.5 | 255.0 | 5.32 | 0.3817 |
| 67.5 | 285.0 | 5.012 | 1.277 |
| 67.5 | 315.0 | 5.255 | 1.151 |
| 82.5 | 15.0 | 2.147 | 0.4204 |
| 82.5 | 45.0 | 3.343 | 0.9309 |
| 82.5 | 75.0 | 3.306 | 0.3589 |
| 82.5 | 105.0 | 3.8 | 0.3158 |
| 82.5 | 135.0 | 3.86 | 0.3568 |
| 82.5 | 165.0 | 3.348 | 0.319 |
| 82.5 | 195.0 | 3.768 | 0.3523 |
| 82.5 | 225.0 | 3.891 | 0.4143 |
| 82.5 | 255.0 | 4.199 | 0.3315 |
| 82.5 | 285.0 | 3.802 | 0.4441 |
| 82.5 | 345.0 | 2.661 | 0.8361 |
| 97.5 | 15.0 | 0.9922 | 0.518 |
| 97.5 | 45.0 | 2.716 | 0.5569 |
| 97.5 | 75.0 | 2.584 | 0.3204 |
| 97.5 | 105.0 | 2.707 | 0.2352 |
| 97.5 | 135.0 | 3.167 | 0.4913 |
| 97.5 | 165.0 | 2.733 | 0.3854 |
| 97.5 | 195.0 | 3.117 | 0.4159 |
| 97.5 | 225.0 | 4.002 | 0.6223 |
| 97.5 | 255.0 | 3.271 | 0.2973 |
| 97.5 | 285.0 | 2.257 | 0.2714 |
| 97.5 | 315.0 | 1.884 | 0.2468 |
| 112.5 | 15.0 | 0.8409 | 0.3897 |
| 112.5 | 45.0 | 1.109 | 0.1732 |
| 112.5 | 75.0 | 2.114 | 0.3214 |
| 112.5 | 105.0 | 2.274 | 0.3037 |
| 112.5 | 135.0 | 1.633 | 0.2425 |
| 112.5 | 165.0 | 1.896 | 0.2448 |
| 112.5 | 195.0 | 1.728 | 0.2733 |
| 112.5 | 225.0 | 2.032 | 0.2863 |
| 112.5 | 255.0 | 2.085 | 0.2432 |
| 112.5 | 285.0 | 2.294 | 0.4213 |
| 112.5 | 315.0 | 1.556 | 0.2751 |
| 127.5 | 15.0 | 0.6763 | 0.2904 |
| 127.5 | 45.0 | 1.055 | 0.219 |
| 127.5 | 75.0 | 1.505 | 0.2703 |
| 127.5 | 105.0 | 1.197 | 0.1794 |
| 127.5 | 135.0 | 1.116 | 0.2334 |
| 127.5 | 165.0 | 1.229 | 0.3225 |
| 127.5 | 195.0 | 0.9222 | 0.2036 |
| 127.5 | 225.0 | 1.927 | 0.8227 |
| 127.5 | 255.0 | 1.122 | 0.1769 |
| 127.5 | 285.0 | 1.861 | 0.7494 |
| 127.5 | 315.0 | 0.983 | 0.2909 |
| 127.5 | 345.0 | 0.9529 | 0.3616 |
| 142.5 | 15.0 | 0.2096 | 0.07338 |
| 142.5 | 45.0 | 0.7478 | 0.3243 |
| 142.5 | 75.0 | 0.5669 | 0.1324 |
| 142.5 | 105.0 | 0.6195 | 0.1806 |
| 142.5 | 225.0 | 1.04 | 0.3447 |
| 142.5 | 255.0 | 0.7683 | 0.263 |
| 142.5 | 285.0 | 0.7767 | 0.2255 |
| 142.5 | 315.0 | 0.9092 | 0.3713 |
| 142.5 | 345.0 | 0.2717 | 0.121 |
| 157.5 | 15.0 | 0.285 | 0.1288 |
| 157.5 | 345.0 | 0.3113 | 0.1442 |
Measurement comment:
Experiment comment: