Measurement E8M77
| 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: | 1.26 — 1.28 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 14.38 | 3.634 |
| 7.5 | 45.0 | 8.482 | 3.379 |
| 7.5 | 75.0 | 12.29 | 3.084 |
| 7.5 | 105.0 | 5.688 | 1.646 |
| 7.5 | 255.0 | 13.89 | 4.153 |
| 7.5 | 285.0 | 15.07 | 4.532 |
| 7.5 | 315.0 | 19.39 | 6.481 |
| 7.5 | 345.0 | 13.4 | 3.75 |
| 22.5 | 15.0 | 9.682 | 1.149 |
| 22.5 | 45.0 | 15.43 | 3.276 |
| 22.5 | 75.0 | 14.11 | 3.44 |
| 22.5 | 165.0 | 8.327 | 1.615 |
| 22.5 | 195.0 | 9.654 | 2.069 |
| 22.5 | 285.0 | 16.05 | 5.132 |
| 22.5 | 315.0 | 11.64 | 1.994 |
| 22.5 | 345.0 | 8.825 | 1.08 |
| 37.5 | 15.0 | 9.288 | 3.608 |
| 37.5 | 45.0 | 9.886 | 1.812 |
| 37.5 | 75.0 | 9.091 | 3.508 |
| 37.5 | 135.0 | 10.54 | 0.9383 |
| 37.5 | 165.0 | 8.036 | 0.5338 |
| 37.5 | 195.0 | 9.212 | 0.617 |
| 37.5 | 225.0 | 9.607 | 0.7753 |
| 37.5 | 315.0 | 7.641 | 1.379 |
| 37.5 | 345.0 | 11.62 | 2.707 |
| 52.5 | 45.0 | 9.252 | 0.8659 |
| 52.5 | 75.0 | 9.892 | 3.46 |
| 52.5 | 105.0 | 8.838 | 0.7681 |
| 52.5 | 135.0 | 8.856 | 0.6942 |
| 52.5 | 165.0 | 8.34 | 0.5135 |
| 52.5 | 195.0 | 6.871 | 0.4672 |
| 52.5 | 225.0 | 8.085 | 0.6025 |
| 52.5 | 255.0 | 8.915 | 0.719 |
| 52.5 | 285.0 | 7.754 | 1.689 |
| 52.5 | 315.0 | 8.679 | 0.8365 |
| 67.5 | 45.0 | 8.048 | 2.443 |
| 67.5 | 75.0 | 7.061 | 0.8781 |
| 67.5 | 105.0 | 8.046 | 0.5541 |
| 67.5 | 135.0 | 8.501 | 0.6528 |
| 67.5 | 165.0 | 7.14 | 0.4573 |
| 67.5 | 195.0 | 6.653 | 0.4491 |
| 67.5 | 225.0 | 6.854 | 0.5391 |
| 67.5 | 255.0 | 8.238 | 0.5781 |
| 67.5 | 285.0 | 9.533 | 1.643 |
| 67.5 | 315.0 | 7.156 | 1.668 |
| 82.5 | 45.0 | 4.617 | 1.1 |
| 82.5 | 75.0 | 7.014 | 0.4759 |
| 82.5 | 105.0 | 6.861 | 0.4372 |
| 82.5 | 135.0 | 6.821 | 0.6014 |
| 82.5 | 165.0 | 5.523 | 0.5272 |
| 82.5 | 195.0 | 5.404 | 0.4649 |
| 82.5 | 225.0 | 8.304 | 0.7585 |
| 82.5 | 255.0 | 7.634 | 0.4835 |
| 82.5 | 285.0 | 7.304 | 0.4871 |
| 82.5 | 315.0 | 4.002 | 0.8119 |
| 97.5 | 15.0 | 1.305 | 0.3735 |
| 97.5 | 45.0 | 4.915 | 0.4987 |
| 97.5 | 75.0 | 6.245 | 0.5226 |
| 97.5 | 105.0 | 5.945 | 0.3928 |
| 97.5 | 135.0 | 6.478 | 0.6326 |
| 97.5 | 165.0 | 5.072 | 0.4155 |
| 97.5 | 195.0 | 4.418 | 0.3961 |
| 97.5 | 225.0 | 6.765 | 0.6755 |
| 97.5 | 255.0 | 6.457 | 0.4544 |
| 97.5 | 285.0 | 6.442 | 0.5232 |
| 97.5 | 315.0 | 3.627 | 0.3862 |
| 112.5 | 15.0 | 3.253 | 1.25 |
| 112.5 | 45.0 | 3.938 | 0.3509 |
| 112.5 | 75.0 | 5.929 | 0.6604 |
| 112.5 | 105.0 | 5.37 | 0.4082 |
| 112.5 | 135.0 | 4.435 | 0.4678 |
| 112.5 | 165.0 | 3.425 | 0.4073 |
| 112.5 | 195.0 | 3.819 | 0.4383 |
| 112.5 | 225.0 | 4.118 | 0.4071 |
| 112.5 | 255.0 | 5.447 | 0.4364 |
| 112.5 | 285.0 | 6.678 | 0.7706 |
| 112.5 | 315.0 | 3.608 | 0.3782 |
| 112.5 | 345.0 | 2.548 | 0.9329 |
| 127.5 | 15.0 | 3.486 | 0.9454 |
| 127.5 | 45.0 | 2.889 | 0.3632 |
| 127.5 | 75.0 | 4.077 | 0.4793 |
| 127.5 | 105.0 | 3.546 | 0.4335 |
| 127.5 | 135.0 | 2.712 | 0.3726 |
| 127.5 | 165.0 | 2.566 | 0.4562 |
| 127.5 | 195.0 | 3.357 | 0.8319 |
| 127.5 | 225.0 | 2.917 | 0.379 |
| 127.5 | 255.0 | 3.339 | 0.3364 |
| 127.5 | 285.0 | 4.017 | 0.4702 |
| 127.5 | 315.0 | 3.428 | 0.4019 |
| 127.5 | 345.0 | 2.469 | 0.4236 |
| 142.5 | 15.0 | 2.137 | 0.3804 |
| 142.5 | 45.0 | 2.145 | 0.3369 |
| 142.5 | 75.0 | 2.931 | 0.3922 |
| 142.5 | 105.0 | 1.706 | 0.4665 |
| 142.5 | 135.0 | 2.405 | 0.7817 |
| 142.5 | 225.0 | 2.389 | 0.5516 |
| 142.5 | 255.0 | 2.733 | 0.5874 |
| 142.5 | 285.0 | 4.03 | 0.7033 |
| 142.5 | 315.0 | 1.968 | 0.3419 |
| 142.5 | 345.0 | 1.441 | 0.2985 |
| 157.5 | 15.0 | 1.381 | 0.4138 |
| 157.5 | 45.0 | 2.643 | 1.054 |
| 157.5 | 345.0 | 6.301 | 2.461 |
Measurement comment:
Experiment comment: