Measurement E8M13
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.25 — 0.35 GeV2 | |
| W: | 1.34 — 1.36 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 15.33 | 1.381 |
| 7.5 | 45.0 | 15.23 | 1.47 |
| 7.5 | 75.0 | 18.55 | 1.903 |
| 7.5 | 105.0 | 16.6 | 1.857 |
| 7.5 | 135.0 | 17.64 | 2.123 |
| 7.5 | 165.0 | 12.69 | 2.103 |
| 7.5 | 195.0 | 18.17 | 2.869 |
| 7.5 | 225.0 | 20.78 | 2.459 |
| 7.5 | 255.0 | 15.63 | 1.699 |
| 7.5 | 285.0 | 13.33 | 1.336 |
| 7.5 | 315.0 | 17.52 | 1.54 |
| 7.5 | 345.0 | 16.13 | 1.347 |
| 22.5 | 15.0 | 15.32 | 1.577 |
| 22.5 | 285.0 | 12.26 | 2.137 |
| 22.5 | 345.0 | 11.9 | 1.06 |
| 37.5 | 45.0 | 11.25 | 1.068 |
| 37.5 | 75.0 | 12.73 | 1.617 |
| 37.5 | 135.0 | 8.865 | 0.6573 |
| 37.5 | 165.0 | 6.837 | 0.3183 |
| 37.5 | 195.0 | 6.836 | 0.3219 |
| 37.5 | 225.0 | 8.751 | 0.6104 |
| 37.5 | 285.0 | 9.825 | 0.8744 |
| 37.5 | 315.0 | 10.42 | 1.048 |
| 52.5 | 45.0 | 7.345 | 0.8438 |
| 52.5 | 75.0 | 8.832 | 1.235 |
| 52.5 | 105.0 | 9.171 | 0.4579 |
| 52.5 | 135.0 | 7.39 | 0.5987 |
| 52.5 | 165.0 | 4.855 | 0.2315 |
| 52.5 | 195.0 | 4.904 | 0.2283 |
| 52.5 | 225.0 | 8.915 | 0.8222 |
| 52.5 | 255.0 | 9.36 | 0.4224 |
| 52.5 | 285.0 | 9.047 | 1.038 |
| 52.5 | 315.0 | 6.721 | 0.4964 |
| 67.5 | 45.0 | 4.752 | 0.9169 |
| 67.5 | 75.0 | 7.094 | 0.3953 |
| 67.5 | 105.0 | 9.145 | 0.3522 |
| 67.5 | 135.0 | 5.979 | 0.4593 |
| 67.5 | 165.0 | 3.814 | 0.2077 |
| 67.5 | 195.0 | 3.707 | 0.1936 |
| 67.5 | 225.0 | 5.496 | 0.4138 |
| 67.5 | 255.0 | 7.701 | 0.3127 |
| 67.5 | 285.0 | 6.495 | 0.3922 |
| 67.5 | 315.0 | 4.28 | 0.6717 |
| 82.5 | 15.0 | 2.457 | 1.131 |
| 82.5 | 45.0 | 3.895 | 0.4924 |
| 82.5 | 75.0 | 5.352 | 0.3367 |
| 82.5 | 105.0 | 6.138 | 0.2641 |
| 82.5 | 135.0 | 4.735 | 0.4745 |
| 82.5 | 165.0 | 2.665 | 0.2015 |
| 82.5 | 195.0 | 3.256 | 0.2247 |
| 82.5 | 225.0 | 5.192 | 0.4147 |
| 82.5 | 255.0 | 5.695 | 0.2556 |
| 82.5 | 285.0 | 6.118 | 0.3547 |
| 82.5 | 315.0 | 3.227 | 0.3535 |
| 97.5 | 15.0 | 1.122 | 0.1648 |
| 97.5 | 45.0 | 2.397 | 0.1646 |
| 97.5 | 75.0 | 3.971 | 0.3686 |
| 97.5 | 105.0 | 4.66 | 0.2436 |
| 97.5 | 135.0 | 4.212 | 0.3133 |
| 97.5 | 165.0 | 2.301 | 0.167 |
| 97.5 | 195.0 | 2.538 | 0.1744 |
| 97.5 | 225.0 | 3.608 | 0.2956 |
| 97.5 | 255.0 | 4.487 | 0.2248 |
| 97.5 | 285.0 | 4.122 | 0.3488 |
| 97.5 | 315.0 | 2.383 | 0.1662 |
| 97.5 | 345.0 | 1.457 | 0.4815 |
| 112.5 | 15.0 | 0.9665 | 0.1657 |
| 112.5 | 45.0 | 1.659 | 0.1464 |
| 112.5 | 75.0 | 2.695 | 0.3056 |
| 112.5 | 105.0 | 2.533 | 0.1693 |
| 112.5 | 135.0 | 2.482 | 0.2748 |
| 112.5 | 165.0 | 2.373 | 0.6411 |
| 112.5 | 195.0 | 1.614 | 0.1679 |
| 112.5 | 225.0 | 2.642 | 0.2654 |
| 112.5 | 255.0 | 2.748 | 0.1641 |
| 112.5 | 285.0 | 2.654 | 0.2636 |
| 112.5 | 315.0 | 1.643 | 0.1522 |
| 112.5 | 345.0 | 0.9116 | 0.1404 |
| 127.5 | 15.0 | 0.3944 | 0.1268 |
| 127.5 | 45.0 | 0.8322 | 0.09256 |
| 127.5 | 75.0 | 1.537 | 0.1492 |
| 127.5 | 105.0 | 1.987 | 0.2908 |
| 127.5 | 135.0 | 1.409 | 0.1798 |
| 127.5 | 225.0 | 1.318 | 0.159 |
| 127.5 | 255.0 | 1.428 | 0.1684 |
| 127.5 | 285.0 | 1.485 | 0.1649 |
| 127.5 | 315.0 | 1.194 | 0.1477 |
| 127.5 | 345.0 | 0.7066 | 0.1234 |
| 142.5 | 15.0 | 0.5007 | 0.1303 |
| 142.5 | 45.0 | 1.147 | 0.3182 |
| 142.5 | 75.0 | 1.182 | 0.1288 |
| 142.5 | 285.0 | 0.989 | 0.1308 |
| 142.5 | 315.0 | 0.7206 | 0.212 |
| 142.5 | 345.0 | 0.4207 | 0.1042 |
| 157.5 | 15.0 | 0.4962 | 0.196 |
| 157.5 | 345.0 | 0.4136 | 0.09528 |
Measurement comment:
Experiment comment: