Measurement E8M83
| 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: | 1.38 — 1.4 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 7.494 | 1.611 |
| 7.5 | 75.0 | 10.81 | 3.244 |
| 7.5 | 105.0 | 4.623 | 1.626 |
| 7.5 | 135.0 | 8.596 | 2.06 |
| 7.5 | 165.0 | 6.08 | 1.719 |
| 7.5 | 195.0 | 7.33 | 1.715 |
| 7.5 | 225.0 | 9.014 | 2.296 |
| 7.5 | 255.0 | 10.63 | 3.369 |
| 7.5 | 285.0 | 8.516 | 2.361 |
| 7.5 | 315.0 | 7.75 | 1.611 |
| 7.5 | 345.0 | 8.846 | 1.843 |
| 22.5 | 15.0 | 8.472 | 2.636 |
| 22.5 | 45.0 | 15.34 | 5.769 |
| 22.5 | 75.0 | 9.477 | 3.821 |
| 22.5 | 105.0 | 7.783 | 1.958 |
| 22.5 | 135.0 | 7.556 | 1.8 |
| 22.5 | 165.0 | 6.431 | 1.317 |
| 22.5 | 195.0 | 4.433 | 0.7827 |
| 22.5 | 225.0 | 7.213 | 1.289 |
| 22.5 | 255.0 | 7.591 | 1.319 |
| 22.5 | 285.0 | 5.796 | 1.466 |
| 22.5 | 315.0 | 5.65 | 1.607 |
| 22.5 | 345.0 | 14.29 | 4.578 |
| 37.5 | 45.0 | 8.26 | 1.372 |
| 37.5 | 75.0 | 5.427 | 0.9532 |
| 37.5 | 105.0 | 6.689 | 1.288 |
| 37.5 | 255.0 | 6.07 | 1.81 |
| 37.5 | 285.0 | 6.617 | 1.14 |
| 37.5 | 315.0 | 6.202 | 1.675 |
| 52.5 | 45.0 | 4.43 | 0.6991 |
| 52.5 | 75.0 | 5.646 | 0.6246 |
| 52.5 | 135.0 | 4.746 | 1.037 |
| 52.5 | 165.0 | 3.444 | 0.3293 |
| 52.5 | 195.0 | 3.035 | 0.2994 |
| 52.5 | 225.0 | 4.618 | 0.6554 |
| 52.5 | 285.0 | 5.037 | 0.5885 |
| 67.5 | 45.0 | 3.189 | 0.6556 |
| 67.5 | 75.0 | 4.839 | 1.405 |
| 67.5 | 105.0 | 4.733 | 0.5649 |
| 67.5 | 135.0 | 3.705 | 0.4659 |
| 67.5 | 165.0 | 2.579 | 0.258 |
| 67.5 | 195.0 | 3.548 | 0.5102 |
| 67.5 | 225.0 | 3.098 | 0.3635 |
| 67.5 | 255.0 | 4.034 | 0.5584 |
| 67.5 | 285.0 | 3.812 | 1.026 |
| 67.5 | 315.0 | 5.096 | 1.516 |
| 82.5 | 45.0 | 2.511 | 0.4702 |
| 82.5 | 75.0 | 2.562 | 0.4556 |
| 82.5 | 105.0 | 3.044 | 0.3128 |
| 82.5 | 135.0 | 2.439 | 0.3275 |
| 82.5 | 165.0 | 1.936 | 0.3103 |
| 82.5 | 195.0 | 2.327 | 0.2995 |
| 82.5 | 225.0 | 2.898 | 0.3666 |
| 82.5 | 255.0 | 3.143 | 0.3 |
| 82.5 | 285.0 | 2.885 | 0.3845 |
| 82.5 | 315.0 | 2.727 | 0.7041 |
| 82.5 | 345.0 | 2.289 | 0.8599 |
| 97.5 | 45.0 | 1.417 | 0.2627 |
| 97.5 | 75.0 | 2.04 | 0.4326 |
| 97.5 | 105.0 | 2.07 | 0.239 |
| 97.5 | 135.0 | 2.035 | 0.4906 |
| 97.5 | 165.0 | 1.686 | 0.2656 |
| 97.5 | 195.0 | 2.186 | 0.7027 |
| 97.5 | 225.0 | 2.649 | 0.8027 |
| 97.5 | 255.0 | 2.926 | 0.5031 |
| 97.5 | 285.0 | 2.04 | 0.4317 |
| 97.5 | 315.0 | 1.301 | 0.2731 |
| 112.5 | 75.0 | 1.471 | 0.4486 |
| 112.5 | 105.0 | 1.307 | 0.3241 |
| 112.5 | 135.0 | 1.199 | 0.225 |
| 112.5 | 165.0 | 1.502 | 0.5724 |
| 112.5 | 195.0 | 1.492 | 0.3213 |
| 112.5 | 225.0 | 1.568 | 0.3269 |
| 112.5 | 255.0 | 1.352 | 0.2299 |
| 112.5 | 285.0 | 2.223 | 0.879 |
| 112.5 | 315.0 | 0.8185 | 0.2175 |
| 127.5 | 45.0 | 0.5166 | 0.1408 |
| 127.5 | 75.0 | 0.5636 | 0.1889 |
| 127.5 | 105.0 | 0.5971 | 0.1447 |
| 127.5 | 135.0 | 0.721 | 0.1895 |
| 127.5 | 165.0 | 0.6006 | 0.171 |
| 127.5 | 195.0 | 0.784 | 0.2402 |
| 127.5 | 225.0 | 1.135 | 0.4093 |
| 127.5 | 255.0 | 0.464 | 0.1355 |
| 127.5 | 285.0 | 0.8165 | 0.2607 |
| 127.5 | 315.0 | 0.7576 | 0.3322 |
| 127.5 | 345.0 | 0.2615 | 0.1067 |
| 142.5 | 15.0 | 0.2909 | 0.1043 |
| 142.5 | 45.0 | 0.1745 | 0.1104 |
| 142.5 | 75.0 | 0.2458 | 0.09539 |
| 142.5 | 135.0 | 0.5764 | 0.223 |
| 142.5 | 285.0 | 0.3728 | 0.1442 |
| 142.5 | 315.0 | 0.2904 | 0.1076 |
Measurement comment:
Experiment comment: