Measurement E8M5
| 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: | 1.18 — 1.2 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 9.645 | 1.353 |
| 7.5 | 45.0 | 18.12 | 2.561 |
| 7.5 | 75.0 | 6.595 | 0.9442 |
| 7.5 | 105.0 | 13.18 | 2.457 |
| 7.5 | 135.0 | 10.96 | 1.202 |
| 7.5 | 165.0 | 9.543 | 1.224 |
| 7.5 | 195.0 | 10.76 | 1.237 |
| 7.5 | 225.0 | 10.87 | 1.207 |
| 7.5 | 255.0 | 8.709 | 1.112 |
| 7.5 | 285.0 | 11.11 | 1.551 |
| 7.5 | 315.0 | 14.52 | 1.939 |
| 7.5 | 345.0 | 12.27 | 1.886 |
| 22.5 | 15.0 | 7.654 | 2.175 |
| 22.5 | 45.0 | 6.493 | 0.779 |
| 22.5 | 75.0 | 10.06 | 1.019 |
| 22.5 | 105.0 | 11.5 | 0.7686 |
| 22.5 | 135.0 | 11.16 | 0.6936 |
| 22.5 | 165.0 | 12.74 | 0.7779 |
| 22.5 | 195.0 | 14.19 | 0.8658 |
| 22.5 | 225.0 | 12.7 | 0.7461 |
| 22.5 | 255.0 | 12.16 | 0.8518 |
| 22.5 | 285.0 | 8.624 | 0.8419 |
| 22.5 | 315.0 | 5.645 | 0.6571 |
| 22.5 | 345.0 | 4.984 | 0.8467 |
| 37.5 | 75.0 | 8.43 | 1.31 |
| 37.5 | 105.0 | 15.28 | 2.243 |
| 37.5 | 135.0 | 14.38 | 0.7348 |
| 37.5 | 165.0 | 14.11 | 0.6581 |
| 37.5 | 195.0 | 14.58 | 0.6868 |
| 37.5 | 225.0 | 14.45 | 0.7646 |
| 37.5 | 255.0 | 12.84 | 1.613 |
| 37.5 | 285.0 | 9.234 | 1.253 |
| 52.5 | 45.0 | 8.556 | 0.8697 |
| 52.5 | 75.0 | 14.64 | 0.6707 |
| 52.5 | 105.0 | 18.24 | 1.887 |
| 52.5 | 135.0 | 16.28 | 1.116 |
| 52.5 | 165.0 | 13.54 | 0.6663 |
| 52.5 | 195.0 | 13.7 | 0.6496 |
| 52.5 | 225.0 | 16.62 | 1.088 |
| 52.5 | 255.0 | 18.14 | 1.862 |
| 52.5 | 285.0 | 14.05 | 0.6452 |
| 52.5 | 315.0 | 7.388 | 0.6079 |
| 67.5 | 45.0 | 10.19 | 0.6133 |
| 67.5 | 75.0 | 17.23 | 0.6206 |
| 67.5 | 105.0 | 20.91 | 0.8517 |
| 67.5 | 135.0 | 20.75 | 2.066 |
| 67.5 | 165.0 | 13.61 | 0.5965 |
| 67.5 | 195.0 | 13.89 | 0.6093 |
| 67.5 | 225.0 | 15.71 | 1.353 |
| 67.5 | 255.0 | 19.65 | 0.7759 |
| 67.5 | 285.0 | 17.26 | 0.6408 |
| 67.5 | 315.0 | 10.26 | 0.5002 |
| 82.5 | 45.0 | 11.99 | 1.132 |
| 82.5 | 75.0 | 19.57 | 0.7081 |
| 82.5 | 105.0 | 23.27 | 0.8243 |
| 82.5 | 135.0 | 17.28 | 1.301 |
| 82.5 | 165.0 | 12.53 | 0.5233 |
| 82.5 | 195.0 | 12.79 | 0.5351 |
| 82.5 | 225.0 | 16.78 | 1.777 |
| 82.5 | 255.0 | 21.66 | 0.7194 |
| 82.5 | 285.0 | 18.63 | 0.6757 |
| 82.5 | 315.0 | 13.47 | 1.283 |
| 97.5 | 15.0 | 9.142 | 1.803 |
| 97.5 | 45.0 | 15.41 | 0.8817 |
| 97.5 | 75.0 | 21.29 | 1.231 |
| 97.5 | 105.0 | 20.87 | 0.6868 |
| 97.5 | 135.0 | 17.42 | 1.355 |
| 97.5 | 165.0 | 11.6 | 0.5988 |
| 97.5 | 195.0 | 11.8 | 0.6415 |
| 97.5 | 225.0 | 17.86 | 1.244 |
| 97.5 | 255.0 | 21.52 | 0.676 |
| 97.5 | 285.0 | 20.01 | 0.9516 |
| 97.5 | 315.0 | 13.57 | 0.7776 |
| 97.5 | 345.0 | 7.854 | 0.944 |
| 112.5 | 15.0 | 8.503 | 0.7153 |
| 112.5 | 45.0 | 13.47 | 0.5912 |
| 112.5 | 75.0 | 19.88 | 1.474 |
| 112.5 | 105.0 | 19.29 | 0.7022 |
| 112.5 | 135.0 | 14.23 | 1.239 |
| 112.5 | 165.0 | 10.45 | 0.9658 |
| 112.5 | 195.0 | 9.444 | 0.9869 |
| 112.5 | 225.0 | 14.98 | 1.048 |
| 112.5 | 255.0 | 19.84 | 0.675 |
| 112.5 | 285.0 | 19.05 | 1.118 |
| 112.5 | 315.0 | 13.73 | 0.6716 |
| 112.5 | 345.0 | 8.274 | 0.8248 |
| 127.5 | 15.0 | 9.335 | 0.8998 |
| 127.5 | 45.0 | 13.15 | 0.6653 |
| 127.5 | 75.0 | 15.76 | 0.9619 |
| 127.5 | 105.0 | 16.23 | 1.032 |
| 127.5 | 135.0 | 12.28 | 0.9252 |
| 127.5 | 225.0 | 12.88 | 0.8053 |
| 127.5 | 255.0 | 20.1 | 1.357 |
| 127.5 | 285.0 | 19.71 | 1.497 |
| 127.5 | 315.0 | 13.56 | 0.7309 |
| 127.5 | 345.0 | 10.73 | 1.017 |
| 142.5 | 15.0 | 11.16 | 1.067 |
| 142.5 | 45.0 | 11.95 | 0.9193 |
| 142.5 | 75.0 | 14.76 | 0.7867 |
| 142.5 | 285.0 | 15.3 | 0.9555 |
| 142.5 | 315.0 | 13.79 | 1.01 |
| 142.5 | 345.0 | 11.26 | 1.011 |
| 157.5 | 15.0 | 13.43 | 1.689 |
| 157.5 | 345.0 | 11.89 | 1.395 |
Measurement comment:
Experiment comment: