Measurement E8M78
| 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: | 1.28 — 1.3 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 9.172 | 1.82 |
| 7.5 | 45.0 | 9.348 | 2.032 |
| 7.5 | 75.0 | 7.586 | 2.002 |
| 7.5 | 105.0 | 23.05 | 11.3 |
| 7.5 | 135.0 | 11.97 | 3.131 |
| 7.5 | 165.0 | 15.41 | 5.295 |
| 7.5 | 195.0 | 15.43 | 6.146 |
| 7.5 | 225.0 | 9.293 | 3.51 |
| 7.5 | 255.0 | 12.15 | 3.973 |
| 7.5 | 285.0 | 15.51 | 5.923 |
| 7.5 | 315.0 | 10.93 | 2.03 |
| 7.5 | 345.0 | 14.2 | 2.803 |
| 22.5 | 15.0 | 10.13 | 1.229 |
| 22.5 | 45.0 | 9.227 | 1.579 |
| 22.5 | 75.0 | 17.07 | 5.027 |
| 22.5 | 285.0 | 15.85 | 5.227 |
| 22.5 | 315.0 | 11.87 | 2.206 |
| 22.5 | 345.0 | 9.576 | 1.254 |
| 37.5 | 45.0 | 11.87 | 3.385 |
| 37.5 | 75.0 | 9.611 | 1.736 |
| 37.5 | 135.0 | 9.418 | 1.032 |
| 37.5 | 165.0 | 8.163 | 0.5308 |
| 37.5 | 195.0 | 7.632 | 0.4979 |
| 37.5 | 225.0 | 8.866 | 0.9744 |
| 37.5 | 285.0 | 9.95 | 1.85 |
| 37.5 | 315.0 | 12.4 | 4.594 |
| 52.5 | 45.0 | 6.7 | 0.6948 |
| 52.5 | 105.0 | 8.358 | 0.9032 |
| 52.5 | 135.0 | 8.424 | 0.6933 |
| 52.5 | 165.0 | 6.704 | 0.4441 |
| 52.5 | 195.0 | 6.525 | 0.4222 |
| 52.5 | 225.0 | 6.92 | 0.5445 |
| 52.5 | 255.0 | 8.379 | 1.466 |
| 52.5 | 315.0 | 7.201 | 0.6999 |
| 67.5 | 45.0 | 6.164 | 1.32 |
| 67.5 | 75.0 | 5.466 | 0.5499 |
| 67.5 | 105.0 | 6.982 | 0.4788 |
| 67.5 | 135.0 | 6.77 | 0.5738 |
| 67.5 | 165.0 | 6.71 | 0.4802 |
| 67.5 | 195.0 | 5.595 | 0.3768 |
| 67.5 | 225.0 | 7.007 | 0.5648 |
| 67.5 | 255.0 | 7.521 | 0.5034 |
| 67.5 | 285.0 | 4.581 | 0.522 |
| 67.5 | 315.0 | 5.483 | 1.006 |
| 82.5 | 15.0 | 3.319 | 0.6865 |
| 82.5 | 45.0 | 4.974 | 1.863 |
| 82.5 | 75.0 | 5.179 | 0.4132 |
| 82.5 | 105.0 | 5.903 | 0.3889 |
| 82.5 | 135.0 | 5.088 | 0.4996 |
| 82.5 | 165.0 | 4.757 | 0.4444 |
| 82.5 | 195.0 | 4.518 | 0.4033 |
| 82.5 | 225.0 | 5.904 | 0.568 |
| 82.5 | 255.0 | 6.293 | 0.4384 |
| 82.5 | 285.0 | 5.695 | 0.4154 |
| 82.5 | 315.0 | 3.791 | 1.474 |
| 97.5 | 15.0 | 1.732 | 0.6069 |
| 97.5 | 45.0 | 3.646 | 0.4266 |
| 97.5 | 75.0 | 4.08 | 0.4007 |
| 97.5 | 105.0 | 4.75 | 0.3492 |
| 97.5 | 135.0 | 4.035 | 0.4721 |
| 97.5 | 165.0 | 3.338 | 0.3395 |
| 97.5 | 195.0 | 3.566 | 0.3455 |
| 97.5 | 225.0 | 5.515 | 0.5938 |
| 97.5 | 255.0 | 4.722 | 0.3638 |
| 97.5 | 285.0 | 5.162 | 0.4837 |
| 97.5 | 315.0 | 3.021 | 0.3462 |
| 112.5 | 15.0 | 1.903 | 0.4766 |
| 112.5 | 45.0 | 2.219 | 0.2646 |
| 112.5 | 75.0 | 4.067 | 0.515 |
| 112.5 | 105.0 | 3.173 | 0.3488 |
| 112.5 | 135.0 | 2.911 | 0.3295 |
| 112.5 | 165.0 | 2.531 | 0.3393 |
| 112.5 | 195.0 | 2.311 | 0.313 |
| 112.5 | 225.0 | 4.09 | 0.5703 |
| 112.5 | 255.0 | 3.841 | 0.3344 |
| 112.5 | 285.0 | 4.224 | 0.5162 |
| 112.5 | 315.0 | 2.581 | 0.2988 |
| 127.5 | 15.0 | 1.147 | 0.2559 |
| 127.5 | 45.0 | 1.529 | 0.2415 |
| 127.5 | 75.0 | 1.786 | 0.3076 |
| 127.5 | 105.0 | 2.367 | 0.316 |
| 127.5 | 135.0 | 1.517 | 0.2512 |
| 127.5 | 165.0 | 2.185 | 0.5401 |
| 127.5 | 195.0 | 1.749 | 0.3737 |
| 127.5 | 225.0 | 2.485 | 0.4955 |
| 127.5 | 255.0 | 3.768 | 1.358 |
| 127.5 | 285.0 | 2.217 | 0.293 |
| 127.5 | 315.0 | 2.668 | 0.4485 |
| 127.5 | 345.0 | 1.836 | 0.4371 |
| 142.5 | 15.0 | 1.282 | 0.3159 |
| 142.5 | 45.0 | 1.328 | 0.2507 |
| 142.5 | 75.0 | 2.758 | 0.5651 |
| 142.5 | 105.0 | 1.53 | 0.3872 |
| 142.5 | 225.0 | 1.942 | 0.7789 |
| 142.5 | 255.0 | 1.937 | 0.6744 |
| 142.5 | 285.0 | 2.282 | 0.6338 |
| 142.5 | 315.0 | 2.291 | 0.4029 |
| 142.5 | 345.0 | 0.8743 | 0.205 |
| 157.5 | 15.0 | 0.7606 | 0.2374 |
| 157.5 | 45.0 | 0.8965 | 0.4696 |
| 157.5 | 345.0 | 1.291 | 0.4214 |
Measurement comment:
Experiment comment: