Measurement E8M25
| 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: | 1.1 — 1.12 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 6.737 | 2.901 |
| 7.5 | 75.0 | 2.428 | 0.7772 |
| 7.5 | 105.0 | 3.248 | 1.111 |
| 7.5 | 165.0 | 4.067 | 1.35 |
| 7.5 | 195.0 | 5.674 | 2.149 |
| 7.5 | 225.0 | 4.188 | 1.386 |
| 7.5 | 285.0 | 1.318 | 0.5298 |
| 7.5 | 315.0 | 2.146 | 0.5994 |
| 22.5 | 15.0 | 2.615 | 0.5407 |
| 22.5 | 45.0 | 2.775 | 0.464 |
| 22.5 | 75.0 | 4.021 | 0.6688 |
| 22.5 | 105.0 | 3.42 | 0.5506 |
| 22.5 | 135.0 | 3.235 | 0.6448 |
| 22.5 | 165.0 | 3.868 | 0.6154 |
| 22.5 | 195.0 | 4.346 | 0.6726 |
| 22.5 | 225.0 | 3.645 | 0.6665 |
| 22.5 | 255.0 | 3.439 | 0.6677 |
| 22.5 | 285.0 | 4.425 | 0.9083 |
| 22.5 | 315.0 | 3.822 | 0.8041 |
| 22.5 | 345.0 | 3.019 | 0.5381 |
| 37.5 | 15.0 | 1.83 | 0.3968 |
| 37.5 | 45.0 | 3.636 | 0.8542 |
| 37.5 | 75.0 | 4.076 | 0.8544 |
| 37.5 | 105.0 | 3.055 | 0.4592 |
| 37.5 | 135.0 | 5.416 | 0.7167 |
| 37.5 | 165.0 | 4.53 | 0.6103 |
| 37.5 | 195.0 | 4.236 | 0.5321 |
| 37.5 | 225.0 | 4.271 | 0.6265 |
| 37.5 | 255.0 | 3.385 | 0.5203 |
| 37.5 | 285.0 | 5.037 | 1.464 |
| 37.5 | 315.0 | 2.201 | 0.5248 |
| 37.5 | 345.0 | 2.309 | 0.6521 |
| 52.5 | 15.0 | 2.323 | 1.133 |
| 52.5 | 45.0 | 1.407 | 0.5613 |
| 52.5 | 75.0 | 2.835 | 0.8976 |
| 52.5 | 105.0 | 4.952 | 0.9477 |
| 52.5 | 135.0 | 5.255 | 0.7297 |
| 52.5 | 165.0 | 4.686 | 0.6013 |
| 52.5 | 195.0 | 4.944 | 0.6245 |
| 52.5 | 225.0 | 4.042 | 0.5681 |
| 52.5 | 255.0 | 3.808 | 1.044 |
| 52.5 | 285.0 | 3.736 | 1.323 |
| 52.5 | 345.0 | 2.832 | 1.531 |
| 67.5 | 45.0 | 1.518 | 0.3014 |
| 67.5 | 75.0 | 2.789 | 0.3882 |
| 67.5 | 105.0 | 4.479 | 1.014 |
| 67.5 | 135.0 | 4.057 | 0.6807 |
| 67.5 | 165.0 | 3.601 | 0.3647 |
| 67.5 | 195.0 | 3.851 | 0.3431 |
| 67.5 | 225.0 | 4.798 | 0.7796 |
| 67.5 | 255.0 | 5.285 | 1.212 |
| 67.5 | 285.0 | 3.043 | 0.5148 |
| 67.5 | 315.0 | 2.911 | 0.9475 |
| 82.5 | 45.0 | 2.435 | 0.3889 |
| 82.5 | 75.0 | 3.542 | 0.4363 |
| 82.5 | 105.0 | 4.141 | 0.6046 |
| 82.5 | 135.0 | 4.234 | 0.6386 |
| 82.5 | 165.0 | 3.964 | 0.3647 |
| 82.5 | 195.0 | 3.413 | 0.3381 |
| 82.5 | 225.0 | 3.712 | 0.5762 |
| 82.5 | 255.0 | 4.223 | 0.5747 |
| 82.5 | 285.0 | 3.173 | 0.3998 |
| 82.5 | 315.0 | 2.215 | 0.3687 |
| 97.5 | 45.0 | 2.444 | 0.5393 |
| 97.5 | 75.0 | 3.536 | 0.5819 |
| 97.5 | 105.0 | 4.052 | 0.5293 |
| 97.5 | 135.0 | 4.949 | 0.9472 |
| 97.5 | 165.0 | 3.449 | 0.4131 |
| 97.5 | 195.0 | 3.581 | 0.4896 |
| 97.5 | 225.0 | 3.103 | 0.6881 |
| 97.5 | 255.0 | 4.173 | 0.43 |
| 97.5 | 285.0 | 3.184 | 0.4579 |
| 97.5 | 315.0 | 1.984 | 0.4494 |
| 112.5 | 75.0 | 4.326 | 0.8565 |
| 112.5 | 105.0 | 3.672 | 0.4434 |
| 112.5 | 135.0 | 2.767 | 0.6666 |
| 112.5 | 165.0 | 3.642 | 0.553 |
| 112.5 | 195.0 | 4.433 | 0.797 |
| 112.5 | 225.0 | 4.877 | 1.456 |
| 112.5 | 255.0 | 3.601 | 0.4748 |
| 112.5 | 285.0 | 3.395 | 0.4597 |
| 112.5 | 315.0 | 1.994 | 0.9471 |
| 127.5 | 75.0 | 3.832 | 1.245 |
| 127.5 | 105.0 | 7.902 | 3.232 |
| 127.5 | 195.0 | 3.974 | 1.566 |
| 127.5 | 255.0 | 3.877 | 0.7099 |
| 127.5 | 285.0 | 3.43 | 1.051 |
Measurement comment:
Experiment comment: