Measurement E8M53
| Experiment: | E89-038 CLAS experiment | |
|---|---|---|
| Year: | 1999 | |
| Spokespersons: | V. Burkert, R. Minehart | |
| Reaction: | ep → π+n | |
| Polarization: | none | |
| Quantity: | dσ/dΩ | |
| Q2: | 0.45 — 0.55 GeV2 | |
| W: | 1.2 — 1.22 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 105.0 | 11.75 | 2.386 |
| 7.5 | 135.0 | 8.734 | 1.499 |
| 7.5 | 165.0 | 7.782 | 1.04 |
| 7.5 | 195.0 | 8.652 | 1.219 |
| 7.5 | 225.0 | 7.257 | 0.9795 |
| 7.5 | 255.0 | 6.756 | 1.126 |
| 7.5 | 285.0 | 6.138 | 2.236 |
| 22.5 | 15.0 | 8.175 | 1.307 |
| 22.5 | 75.0 | 7.234 | 1.748 |
| 22.5 | 105.0 | 10.1 | 0.9552 |
| 22.5 | 135.0 | 11.94 | 0.9033 |
| 22.5 | 165.0 | 8.907 | 0.6561 |
| 22.5 | 195.0 | 11.3 | 0.7449 |
| 22.5 | 225.0 | 8.859 | 0.6823 |
| 22.5 | 255.0 | 11.19 | 1.011 |
| 22.5 | 285.0 | 7.71 | 2.604 |
| 22.5 | 345.0 | 7.416 | 1.17 |
| 37.5 | 15.0 | 6.608 | 1.166 |
| 37.5 | 75.0 | 6.77 | 1.058 |
| 37.5 | 105.0 | 10.0 | 0.8216 |
| 37.5 | 135.0 | 12.3 | 0.7133 |
| 37.5 | 165.0 | 9.29 | 0.5162 |
| 37.5 | 195.0 | 10.02 | 0.5499 |
| 37.5 | 225.0 | 10.58 | 0.6351 |
| 37.5 | 255.0 | 10.58 | 0.8642 |
| 37.5 | 285.0 | 10.66 | 2.058 |
| 37.5 | 315.0 | 6.356 | 3.693 |
| 37.5 | 345.0 | 6.175 | 2.385 |
| 52.5 | 45.0 | 11.83 | 2.487 |
| 52.5 | 75.0 | 11.88 | 0.7473 |
| 52.5 | 105.0 | 14.75 | 0.9013 |
| 52.5 | 135.0 | 12.21 | 0.7739 |
| 52.5 | 165.0 | 10.1 | 0.4966 |
| 52.5 | 195.0 | 10.18 | 0.4944 |
| 52.5 | 225.0 | 13.16 | 0.7757 |
| 52.5 | 255.0 | 13.17 | 0.848 |
| 52.5 | 285.0 | 11.54 | 0.6912 |
| 52.5 | 315.0 | 9.228 | 1.848 |
| 67.5 | 45.0 | 13.52 | 2.393 |
| 67.5 | 75.0 | 14.96 | 0.6053 |
| 67.5 | 105.0 | 15.14 | 0.7602 |
| 67.5 | 135.0 | 13.26 | 0.7851 |
| 67.5 | 165.0 | 10.87 | 0.5358 |
| 67.5 | 195.0 | 10.46 | 0.5433 |
| 67.5 | 225.0 | 12.96 | 0.7661 |
| 67.5 | 255.0 | 15.12 | 0.7152 |
| 67.5 | 285.0 | 15.39 | 0.5917 |
| 67.5 | 315.0 | 12.01 | 1.483 |
| 82.5 | 45.0 | 10.49 | 0.8647 |
| 82.5 | 75.0 | 14.51 | 0.5697 |
| 82.5 | 105.0 | 16.89 | 0.7034 |
| 82.5 | 135.0 | 16.39 | 0.9376 |
| 82.5 | 165.0 | 10.3 | 0.5079 |
| 82.5 | 195.0 | 9.393 | 0.4848 |
| 82.5 | 225.0 | 13.06 | 0.8235 |
| 82.5 | 255.0 | 16.45 | 0.649 |
| 82.5 | 285.0 | 16.18 | 0.6069 |
| 82.5 | 315.0 | 13.23 | 4.42 |
| 97.5 | 15.0 | 6.452 | 0.7044 |
| 97.5 | 45.0 | 11.2 | 0.6702 |
| 97.5 | 75.0 | 16.76 | 0.7725 |
| 97.5 | 105.0 | 18.01 | 0.7133 |
| 97.5 | 135.0 | 13.55 | 0.6899 |
| 97.5 | 165.0 | 8.918 | 0.4676 |
| 97.5 | 195.0 | 8.763 | 0.4501 |
| 97.5 | 225.0 | 14.03 | 0.7352 |
| 97.5 | 255.0 | 17.17 | 0.6797 |
| 97.5 | 285.0 | 16.33 | 0.7098 |
| 97.5 | 315.0 | 11.53 | 0.6769 |
| 97.5 | 345.0 | 6.015 | 0.5706 |
| 112.5 | 15.0 | 5.332 | 0.6116 |
| 112.5 | 45.0 | 11.47 | 0.5752 |
| 112.5 | 75.0 | 14.48 | 0.854 |
| 112.5 | 105.0 | 15.52 | 0.6247 |
| 112.5 | 135.0 | 11.26 | 0.6605 |
| 112.5 | 165.0 | 6.958 | 0.4617 |
| 112.5 | 195.0 | 7.984 | 0.57 |
| 112.5 | 225.0 | 10.8 | 0.6724 |
| 112.5 | 255.0 | 14.86 | 0.5769 |
| 112.5 | 285.0 | 16.57 | 0.991 |
| 112.5 | 315.0 | 11.27 | 0.5714 |
| 112.5 | 345.0 | 8.323 | 1.19 |
| 127.5 | 15.0 | 8.019 | 0.6741 |
| 127.5 | 45.0 | 10.5 | 0.5926 |
| 127.5 | 75.0 | 13.2 | 0.7957 |
| 127.5 | 105.0 | 12.28 | 0.6588 |
| 127.5 | 135.0 | 9.922 | 0.7457 |
| 127.5 | 165.0 | 7.089 | 0.7838 |
| 127.5 | 195.0 | 5.778 | 0.6455 |
| 127.5 | 225.0 | 9.274 | 0.6914 |
| 127.5 | 255.0 | 11.44 | 0.6096 |
| 127.5 | 285.0 | 11.88 | 0.7377 |
| 127.5 | 315.0 | 10.4 | 0.6216 |
| 127.5 | 345.0 | 6.821 | 0.6884 |
| 142.5 | 15.0 | 6.878 | 0.6945 |
| 142.5 | 45.0 | 8.271 | 0.6321 |
| 142.5 | 75.0 | 10.56 | 0.7696 |
| 142.5 | 105.0 | 10.25 | 1.13 |
| 142.5 | 255.0 | 11.96 | 1.453 |
| 142.5 | 285.0 | 10.5 | 0.8322 |
| 142.5 | 315.0 | 9.513 | 0.7846 |
| 142.5 | 345.0 | 6.518 | 0.7252 |
| 157.5 | 15.0 | 9.078 | 1.801 |
| 157.5 | 45.0 | 10.34 | 1.714 |
| 157.5 | 315.0 | 14.19 | 3.399 |
| 157.5 | 345.0 | 13.7 | 2.644 |
Measurement comment:
Experiment comment: