Measurement E8M26
| 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: | 1.12 — 1.14 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 5.791 | 1.925 |
| 7.5 | 45.0 | 4.448 | 1.376 |
| 7.5 | 75.0 | 32.36 | 11.23 |
| 7.5 | 105.0 | 9.084 | 2.266 |
| 7.5 | 135.0 | 5.24 | 1.337 |
| 7.5 | 165.0 | 4.998 | 1.218 |
| 7.5 | 195.0 | 4.919 | 1.017 |
| 7.5 | 225.0 | 7.935 | 2.813 |
| 7.5 | 255.0 | 4.511 | 1.002 |
| 7.5 | 285.0 | 4.912 | 1.918 |
| 7.5 | 315.0 | 5.214 | 1.273 |
| 7.5 | 345.0 | 3.761 | 1.112 |
| 22.5 | 15.0 | 2.237 | 0.3932 |
| 22.5 | 45.0 | 4.308 | 0.7464 |
| 22.5 | 75.0 | 3.623 | 0.5502 |
| 22.5 | 105.0 | 3.858 | 0.4793 |
| 22.5 | 135.0 | 5.289 | 0.5623 |
| 22.5 | 165.0 | 4.344 | 0.5036 |
| 22.5 | 195.0 | 5.593 | 0.6296 |
| 22.5 | 225.0 | 6.357 | 0.672 |
| 22.5 | 255.0 | 4.673 | 0.5611 |
| 22.5 | 285.0 | 3.787 | 0.5703 |
| 22.5 | 315.0 | 4.159 | 0.7165 |
| 22.5 | 345.0 | 2.743 | 0.5312 |
| 37.5 | 15.0 | 3.188 | 1.148 |
| 37.5 | 45.0 | 3.592 | 1.051 |
| 37.5 | 75.0 | 4.192 | 0.6398 |
| 37.5 | 105.0 | 5.107 | 0.611 |
| 37.5 | 135.0 | 5.833 | 0.54 |
| 37.5 | 165.0 | 6.66 | 0.6111 |
| 37.5 | 195.0 | 5.714 | 0.4991 |
| 37.5 | 225.0 | 5.285 | 0.4978 |
| 37.5 | 255.0 | 4.552 | 0.5778 |
| 37.5 | 285.0 | 3.927 | 0.7383 |
| 37.5 | 315.0 | 4.681 | 1.387 |
| 37.5 | 345.0 | 2.356 | 0.4394 |
| 52.5 | 15.0 | 2.008 | 1.055 |
| 52.5 | 45.0 | 2.884 | 0.8624 |
| 52.5 | 75.0 | 5.239 | 1.081 |
| 52.5 | 105.0 | 6.112 | 0.8274 |
| 52.5 | 135.0 | 5.85 | 0.6028 |
| 52.5 | 165.0 | 5.525 | 0.4959 |
| 52.5 | 195.0 | 5.227 | 0.4629 |
| 52.5 | 225.0 | 5.282 | 0.5494 |
| 52.5 | 255.0 | 5.241 | 0.7935 |
| 52.5 | 285.0 | 5.016 | 0.7873 |
| 52.5 | 315.0 | 4.561 | 1.729 |
| 52.5 | 345.0 | 1.794 | 0.5936 |
| 67.5 | 45.0 | 2.985 | 0.356 |
| 67.5 | 75.0 | 4.893 | 0.4286 |
| 67.5 | 105.0 | 6.744 | 0.755 |
| 67.5 | 135.0 | 5.168 | 0.6912 |
| 67.5 | 165.0 | 5.097 | 0.3799 |
| 67.5 | 195.0 | 4.861 | 0.3737 |
| 67.5 | 225.0 | 5.297 | 0.6891 |
| 67.5 | 255.0 | 5.635 | 0.6117 |
| 67.5 | 285.0 | 4.883 | 0.4055 |
| 67.5 | 315.0 | 3.19 | 0.361 |
| 82.5 | 45.0 | 3.334 | 0.3634 |
| 82.5 | 75.0 | 5.314 | 0.4126 |
| 82.5 | 105.0 | 6.361 | 0.5532 |
| 82.5 | 135.0 | 6.162 | 0.6454 |
| 82.5 | 165.0 | 4.744 | 0.3576 |
| 82.5 | 195.0 | 5.208 | 0.37 |
| 82.5 | 225.0 | 5.837 | 0.6895 |
| 82.5 | 255.0 | 5.409 | 0.4452 |
| 82.5 | 285.0 | 5.686 | 0.416 |
| 82.5 | 315.0 | 2.94 | 0.302 |
| 97.5 | 45.0 | 4.373 | 1.018 |
| 97.5 | 75.0 | 5.409 | 0.4779 |
| 97.5 | 105.0 | 6.517 | 0.4739 |
| 97.5 | 135.0 | 6.406 | 0.746 |
| 97.5 | 165.0 | 4.006 | 0.3778 |
| 97.5 | 195.0 | 4.305 | 0.3735 |
| 97.5 | 225.0 | 4.939 | 0.6595 |
| 97.5 | 255.0 | 6.175 | 0.4404 |
| 97.5 | 285.0 | 5.206 | 0.4448 |
| 97.5 | 315.0 | 2.489 | 0.4376 |
| 112.5 | 45.0 | 2.552 | 0.4952 |
| 112.5 | 75.0 | 6.76 | 0.9675 |
| 112.5 | 105.0 | 5.834 | 0.4494 |
| 112.5 | 135.0 | 5.565 | 0.732 |
| 112.5 | 165.0 | 5.249 | 0.669 |
| 112.5 | 195.0 | 4.767 | 0.5075 |
| 112.5 | 225.0 | 4.913 | 0.6509 |
| 112.5 | 255.0 | 5.491 | 0.4191 |
| 112.5 | 285.0 | 5.291 | 0.596 |
| 112.5 | 315.0 | 4.211 | 1.182 |
| 127.5 | 15.0 | 2.121 | 1.142 |
| 127.5 | 45.0 | 3.896 | 0.71 |
| 127.5 | 75.0 | 7.323 | 2.731 |
| 127.5 | 105.0 | 8.217 | 1.016 |
| 127.5 | 135.0 | 3.01 | 0.6023 |
| 127.5 | 165.0 | 5.961 | 2.058 |
| 127.5 | 225.0 | 6.031 | 1.127 |
| 127.5 | 255.0 | 7.009 | 0.688 |
| 127.5 | 285.0 | 7.241 | 1.493 |
| 127.5 | 315.0 | 4.377 | 0.8467 |
| 142.5 | 45.0 | 5.564 | 1.553 |
| 142.5 | 255.0 | 8.42 | 2.726 |
| 142.5 | 315.0 | 5.277 | 1.794 |
Measurement comment:
Experiment comment: