Measurement E8M82
| 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: | 1.36 — 1.38 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 6.01 | 1.123 |
| 7.5 | 45.0 | 12.44 | 5.017 |
| 7.5 | 75.0 | 7.062 | 2.474 |
| 7.5 | 105.0 | 5.574 | 1.531 |
| 7.5 | 135.0 | 6.561 | 1.454 |
| 7.5 | 165.0 | 13.58 | 3.01 |
| 7.5 | 195.0 | 11.11 | 3.707 |
| 7.5 | 225.0 | 10.91 | 2.7 |
| 7.5 | 255.0 | 8.512 | 2.403 |
| 7.5 | 285.0 | 12.68 | 3.092 |
| 7.5 | 315.0 | 11.5 | 2.428 |
| 7.5 | 345.0 | 8.403 | 1.951 |
| 22.5 | 15.0 | 7.673 | 1.587 |
| 22.5 | 45.0 | 10.11 | 4.201 |
| 22.5 | 75.0 | 8.666 | 1.827 |
| 22.5 | 105.0 | 12.47 | 4.79 |
| 22.5 | 135.0 | 7.946 | 1.908 |
| 22.5 | 165.0 | 9.698 | 3.138 |
| 22.5 | 195.0 | 5.257 | 1.151 |
| 22.5 | 225.0 | 8.872 | 1.682 |
| 22.5 | 255.0 | 8.156 | 1.552 |
| 22.5 | 285.0 | 9.227 | 1.895 |
| 22.5 | 315.0 | 6.426 | 2.367 |
| 22.5 | 345.0 | 10.88 | 4.754 |
| 37.5 | 45.0 | 8.15 | 3.243 |
| 37.5 | 75.0 | 6.686 | 0.8601 |
| 37.5 | 105.0 | 8.75 | 2.129 |
| 37.5 | 255.0 | 10.61 | 3.074 |
| 37.5 | 285.0 | 7.406 | 1.006 |
| 37.5 | 315.0 | 5.896 | 0.7903 |
| 52.5 | 45.0 | 6.734 | 0.8698 |
| 52.5 | 75.0 | 5.275 | 0.5083 |
| 52.5 | 135.0 | 6.508 | 0.9942 |
| 52.5 | 165.0 | 4.326 | 0.3306 |
| 52.5 | 195.0 | 4.3 | 0.3421 |
| 52.5 | 225.0 | 5.475 | 0.5387 |
| 52.5 | 285.0 | 6.078 | 0.6858 |
| 52.5 | 315.0 | 5.049 | 0.7511 |
| 67.5 | 45.0 | 3.767 | 0.6449 |
| 67.5 | 105.0 | 3.97 | 0.3461 |
| 67.5 | 135.0 | 3.901 | 0.3608 |
| 67.5 | 165.0 | 3.144 | 0.255 |
| 67.5 | 195.0 | 3.37 | 0.287 |
| 67.5 | 225.0 | 4.131 | 0.3837 |
| 67.5 | 255.0 | 4.689 | 0.5411 |
| 67.5 | 315.0 | 3.941 | 0.6601 |
| 82.5 | 15.0 | 1.694 | 0.36 |
| 82.5 | 75.0 | 2.768 | 0.4264 |
| 82.5 | 105.0 | 3.503 | 0.2609 |
| 82.5 | 135.0 | 3.046 | 0.3173 |
| 82.5 | 165.0 | 2.32 | 0.2556 |
| 82.5 | 195.0 | 2.377 | 0.2576 |
| 82.5 | 225.0 | 3.089 | 0.3863 |
| 82.5 | 255.0 | 3.745 | 0.3124 |
| 82.5 | 285.0 | 2.834 | 0.3107 |
| 82.5 | 315.0 | 2.533 | 1.032 |
| 82.5 | 345.0 | 2.045 | 1.348 |
| 97.5 | 45.0 | 2.027 | 0.6136 |
| 97.5 | 75.0 | 1.903 | 0.2454 |
| 97.5 | 105.0 | 1.924 | 0.1936 |
| 97.5 | 135.0 | 2.426 | 0.4825 |
| 97.5 | 165.0 | 2.402 | 0.4581 |
| 97.5 | 195.0 | 2.267 | 0.3446 |
| 97.5 | 225.0 | 1.971 | 0.2725 |
| 97.5 | 255.0 | 2.057 | 0.2166 |
| 97.5 | 285.0 | 2.194 | 0.305 |
| 97.5 | 315.0 | 1.676 | 0.2673 |
| 112.5 | 45.0 | 0.7464 | 0.175 |
| 112.5 | 75.0 | 1.025 | 0.1809 |
| 112.5 | 105.0 | 1.229 | 0.1751 |
| 112.5 | 135.0 | 1.276 | 0.2192 |
| 112.5 | 165.0 | 1.204 | 0.224 |
| 112.5 | 195.0 | 1.336 | 0.1872 |
| 112.5 | 225.0 | 1.343 | 0.2043 |
| 112.5 | 255.0 | 1.424 | 0.2102 |
| 112.5 | 285.0 | 1.855 | 0.4802 |
| 112.5 | 315.0 | 0.9043 | 0.1702 |
| 127.5 | 15.0 | 0.3408 | 0.1451 |
| 127.5 | 45.0 | 0.5366 | 0.1332 |
| 127.5 | 75.0 | 0.9166 | 0.1952 |
| 127.5 | 105.0 | 0.9036 | 0.1893 |
| 127.5 | 135.0 | 1.201 | 0.3307 |
| 127.5 | 165.0 | 1.174 | 0.2837 |
| 127.5 | 195.0 | 0.5996 | 0.1785 |
| 127.5 | 225.0 | 1.165 | 0.2323 |
| 127.5 | 255.0 | 0.7942 | 0.1601 |
| 127.5 | 285.0 | 0.6793 | 0.1865 |
| 127.5 | 315.0 | 0.2807 | 0.0778 |
| 127.5 | 345.0 | 0.3027 | 0.1011 |
| 142.5 | 15.0 | 0.3156 | 0.1755 |
| 142.5 | 45.0 | 0.2726 | 0.0902 |
| 142.5 | 75.0 | 0.4661 | 0.1273 |
| 142.5 | 105.0 | 0.8258 | 0.328 |
| 142.5 | 135.0 | 0.5747 | 0.3539 |
| 142.5 | 225.0 | 0.5221 | 0.2145 |
| 142.5 | 255.0 | 0.6384 | 0.3745 |
| 142.5 | 285.0 | 0.7209 | 0.3298 |
| 142.5 | 315.0 | 0.3024 | 0.1186 |
| 142.5 | 345.0 | 0.199 | 0.1172 |
| 157.5 | 75.0 | 0.3129 | 0.1395 |
| 157.5 | 345.0 | 0.2056 | 0.1133 |
Measurement comment:
Experiment comment: