Measurement E8M67
| 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: | 1.48 — 1.5 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 6.779 | 1.713 |
| 7.5 | 45.0 | 9.139 | 1.755 |
| 7.5 | 75.0 | 8.115 | 1.646 |
| 7.5 | 105.0 | 7.335 | 1.817 |
| 7.5 | 135.0 | 5.027 | 0.9023 |
| 7.5 | 165.0 | 4.595 | 1.102 |
| 7.5 | 195.0 | 4.52 | 0.7373 |
| 7.5 | 225.0 | 5.883 | 1.196 |
| 7.5 | 255.0 | 10.46 | 2.418 |
| 7.5 | 285.0 | 5.304 | 1.457 |
| 7.5 | 315.0 | 9.736 | 4.508 |
| 7.5 | 345.0 | 8.822 | 1.488 |
| 22.5 | 75.0 | 7.829 | 1.585 |
| 22.5 | 105.0 | 6.542 | 1.111 |
| 22.5 | 135.0 | 9.67 | 4.423 |
| 22.5 | 165.0 | 3.724 | 0.4411 |
| 22.5 | 195.0 | 3.129 | 0.3785 |
| 22.5 | 225.0 | 4.354 | 0.6215 |
| 22.5 | 255.0 | 6.509 | 1.183 |
| 22.5 | 285.0 | 6.186 | 1.188 |
| 37.5 | 75.0 | 6.178 | 0.4835 |
| 37.5 | 105.0 | 5.636 | 0.67 |
| 37.5 | 135.0 | 3.945 | 0.6474 |
| 37.5 | 165.0 | 4.283 | 1.226 |
| 37.5 | 195.0 | 4.91 | 1.91 |
| 37.5 | 225.0 | 4.805 | 0.7671 |
| 37.5 | 255.0 | 6.28 | 0.6812 |
| 37.5 | 285.0 | 5.895 | 0.4563 |
| 37.5 | 315.0 | 6.86 | 0.9661 |
| 52.5 | 45.0 | 6.678 | 1.537 |
| 52.5 | 75.0 | 6.943 | 0.5288 |
| 52.5 | 105.0 | 6.301 | 0.8245 |
| 52.5 | 255.0 | 5.578 | 0.6922 |
| 52.5 | 285.0 | 6.569 | 0.4741 |
| 52.5 | 315.0 | 4.887 | 0.7033 |
| 67.5 | 15.0 | 3.036 | 0.4809 |
| 67.5 | 45.0 | 4.708 | 0.4268 |
| 67.5 | 75.0 | 5.035 | 0.6978 |
| 67.5 | 105.0 | 7.422 | 1.596 |
| 67.5 | 135.0 | 4.559 | 0.3727 |
| 67.5 | 165.0 | 2.849 | 0.2119 |
| 67.5 | 195.0 | 3.167 | 0.2296 |
| 67.5 | 225.0 | 4.286 | 0.3583 |
| 67.5 | 255.0 | 5.675 | 1.313 |
| 67.5 | 285.0 | 4.51 | 0.6865 |
| 67.5 | 315.0 | 4.687 | 0.424 |
| 67.5 | 345.0 | 3.006 | 0.4561 |
| 82.5 | 15.0 | 2.514 | 0.4541 |
| 82.5 | 45.0 | 3.934 | 0.4914 |
| 82.5 | 75.0 | 6.603 | 3.387 |
| 82.5 | 105.0 | 5.084 | 0.3008 |
| 82.5 | 135.0 | 4.373 | 0.3592 |
| 82.5 | 165.0 | 2.913 | 0.2669 |
| 82.5 | 195.0 | 3.073 | 0.2579 |
| 82.5 | 225.0 | 3.581 | 0.3132 |
| 82.5 | 255.0 | 4.901 | 0.3039 |
| 82.5 | 285.0 | 5.903 | 0.8396 |
| 82.5 | 315.0 | 4.04 | 0.7414 |
| 82.5 | 345.0 | 1.843 | 0.567 |
| 97.5 | 45.0 | 3.084 | 0.3095 |
| 97.5 | 75.0 | 3.864 | 0.3566 |
| 97.5 | 105.0 | 4.808 | 0.3084 |
| 97.5 | 135.0 | 3.8 | 0.3392 |
| 97.5 | 165.0 | 2.234 | 0.2586 |
| 97.5 | 195.0 | 3.06 | 0.3516 |
| 97.5 | 225.0 | 3.689 | 0.3785 |
| 97.5 | 255.0 | 4.38 | 0.3118 |
| 97.5 | 285.0 | 4.219 | 0.4023 |
| 97.5 | 315.0 | 2.709 | 0.2688 |
| 112.5 | 15.0 | 1.733 | 0.6616 |
| 112.5 | 45.0 | 1.875 | 0.2573 |
| 112.5 | 75.0 | 3.509 | 0.422 |
| 112.5 | 105.0 | 3.663 | 0.3298 |
| 112.5 | 135.0 | 2.783 | 0.3108 |
| 112.5 | 165.0 | 2.538 | 0.2871 |
| 112.5 | 195.0 | 2.7 | 0.3028 |
| 112.5 | 225.0 | 3.258 | 0.3156 |
| 112.5 | 255.0 | 4.271 | 0.4289 |
| 112.5 | 285.0 | 4.399 | 0.4761 |
| 112.5 | 315.0 | 2.899 | 0.346 |
| 112.5 | 345.0 | 2.037 | 0.6948 |
| 127.5 | 15.0 | 1.096 | 0.601 |
| 127.5 | 45.0 | 1.666 | 0.2778 |
| 127.5 | 75.0 | 2.0 | 0.269 |
| 127.5 | 105.0 | 2.949 | 0.3371 |
| 127.5 | 135.0 | 2.393 | 0.32 |
| 127.5 | 165.0 | 2.109 | 0.3412 |
| 127.5 | 195.0 | 4.626 | 2.002 |
| 127.5 | 225.0 | 2.413 | 0.4222 |
| 127.5 | 255.0 | 3.875 | 0.406 |
| 127.5 | 285.0 | 2.806 | 0.3904 |
| 127.5 | 315.0 | 2.344 | 0.3795 |
| 127.5 | 345.0 | 0.6755 | 0.1394 |
| 142.5 | 15.0 | 0.5063 | 0.1182 |
| 142.5 | 45.0 | 1.131 | 0.2501 |
| 142.5 | 75.0 | 1.436 | 0.2197 |
| 142.5 | 105.0 | 2.098 | 0.4968 |
| 142.5 | 135.0 | 1.886 | 0.4883 |
| 142.5 | 225.0 | 2.106 | 0.5882 |
| 142.5 | 255.0 | 4.033 | 1.289 |
| 142.5 | 285.0 | 2.543 | 0.4974 |
| 142.5 | 315.0 | 1.237 | 0.3687 |
| 142.5 | 345.0 | 0.5667 | 0.138 |
| 157.5 | 15.0 | 0.7489 | 0.3872 |
| 157.5 | 345.0 | 0.1508 | 0.07327 |
Measurement comment:
Experiment comment: