Measurement E8M45
| 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: | 1.5 — 1.52 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 9.694 | 1.089 |
| 7.5 | 45.0 | 9.612 | 1.149 |
| 7.5 | 75.0 | 9.266 | 1.144 |
| 7.5 | 105.0 | 7.841 | 0.951 |
| 7.5 | 135.0 | 9.37 | 0.8923 |
| 7.5 | 165.0 | 7.139 | 0.702 |
| 7.5 | 195.0 | 9.11 | 0.8309 |
| 7.5 | 225.0 | 8.08 | 0.8395 |
| 7.5 | 255.0 | 9.049 | 1.035 |
| 7.5 | 285.0 | 10.69 | 1.476 |
| 7.5 | 315.0 | 10.76 | 1.351 |
| 7.5 | 345.0 | 13.01 | 1.555 |
| 22.5 | 75.0 | 13.12 | 3.888 |
| 22.5 | 105.0 | 6.122 | 0.7129 |
| 22.5 | 135.0 | 6.673 | 0.5235 |
| 22.5 | 165.0 | 4.062 | 0.3174 |
| 22.5 | 195.0 | 4.034 | 0.2988 |
| 22.5 | 225.0 | 5.074 | 0.4768 |
| 22.5 | 255.0 | 7.111 | 0.8818 |
| 22.5 | 285.0 | 10.55 | 1.834 |
| 37.5 | 75.0 | 6.723 | 0.3195 |
| 37.5 | 105.0 | 5.978 | 0.4308 |
| 37.5 | 135.0 | 5.7 | 0.5613 |
| 37.5 | 165.0 | 4.177 | 1.051 |
| 37.5 | 195.0 | 3.455 | 0.5681 |
| 37.5 | 225.0 | 4.641 | 0.4871 |
| 37.5 | 255.0 | 6.017 | 0.4354 |
| 37.5 | 285.0 | 6.837 | 0.3363 |
| 52.5 | 45.0 | 4.912 | 0.5345 |
| 52.5 | 75.0 | 5.943 | 0.2883 |
| 52.5 | 165.0 | 3.289 | 1.21 |
| 52.5 | 285.0 | 6.775 | 0.3446 |
| 52.5 | 315.0 | 5.185 | 0.5404 |
| 67.5 | 15.0 | 3.377 | 0.4602 |
| 67.5 | 45.0 | 3.811 | 0.2306 |
| 67.5 | 75.0 | 5.622 | 0.9997 |
| 67.5 | 105.0 | 5.055 | 0.5678 |
| 67.5 | 135.0 | 3.538 | 0.2255 |
| 67.5 | 165.0 | 2.323 | 0.1367 |
| 67.5 | 195.0 | 2.143 | 0.126 |
| 67.5 | 225.0 | 3.411 | 0.1989 |
| 67.5 | 255.0 | 4.954 | 0.477 |
| 67.5 | 285.0 | 5.262 | 0.5723 |
| 67.5 | 315.0 | 3.438 | 0.2298 |
| 67.5 | 345.0 | 3.049 | 0.6273 |
| 82.5 | 15.0 | 1.221 | 0.2029 |
| 82.5 | 45.0 | 3.422 | 0.6805 |
| 82.5 | 75.0 | 4.488 | 0.4563 |
| 82.5 | 105.0 | 5.003 | 0.2173 |
| 82.5 | 135.0 | 3.264 | 0.2088 |
| 82.5 | 165.0 | 2.164 | 0.1351 |
| 82.5 | 195.0 | 2.213 | 0.1376 |
| 82.5 | 225.0 | 3.219 | 0.1995 |
| 82.5 | 255.0 | 4.973 | 0.202 |
| 82.5 | 285.0 | 4.576 | 0.3426 |
| 82.5 | 315.0 | 3.001 | 0.4315 |
| 82.5 | 345.0 | 1.843 | 0.9103 |
| 97.5 | 45.0 | 3.094 | 0.1849 |
| 97.5 | 75.0 | 4.226 | 0.2614 |
| 97.5 | 105.0 | 4.066 | 0.196 |
| 97.5 | 135.0 | 3.666 | 0.2503 |
| 97.5 | 165.0 | 2.079 | 0.1612 |
| 97.5 | 195.0 | 2.625 | 0.1902 |
| 97.5 | 225.0 | 3.855 | 0.2636 |
| 97.5 | 255.0 | 4.5 | 0.2089 |
| 97.5 | 285.0 | 4.118 | 0.2574 |
| 97.5 | 315.0 | 3.066 | 0.1878 |
| 112.5 | 15.0 | 1.724 | 0.1698 |
| 112.5 | 45.0 | 2.46 | 0.1774 |
| 112.5 | 75.0 | 3.795 | 0.2404 |
| 112.5 | 105.0 | 4.361 | 0.2448 |
| 112.5 | 135.0 | 3.484 | 0.2168 |
| 112.5 | 165.0 | 2.215 | 0.1704 |
| 112.5 | 195.0 | 2.136 | 0.1533 |
| 112.5 | 225.0 | 3.52 | 0.2267 |
| 112.5 | 255.0 | 3.991 | 0.2223 |
| 112.5 | 285.0 | 3.756 | 0.2458 |
| 112.5 | 315.0 | 2.439 | 0.1791 |
| 112.5 | 345.0 | 1.483 | 0.1701 |
| 127.5 | 15.0 | 1.578 | 0.1841 |
| 127.5 | 45.0 | 2.135 | 0.1721 |
| 127.5 | 75.0 | 3.178 | 0.2275 |
| 127.5 | 105.0 | 3.366 | 0.2177 |
| 127.5 | 135.0 | 2.549 | 0.2053 |
| 127.5 | 165.0 | 2.251 | 0.2613 |
| 127.5 | 195.0 | 2.486 | 0.2947 |
| 127.5 | 225.0 | 2.925 | 0.2637 |
| 127.5 | 255.0 | 3.403 | 0.2222 |
| 127.5 | 285.0 | 2.913 | 0.2086 |
| 127.5 | 315.0 | 2.126 | 0.1818 |
| 127.5 | 345.0 | 1.298 | 0.1532 |
| 142.5 | 15.0 | 0.7724 | 0.1114 |
| 142.5 | 45.0 | 1.505 | 0.184 |
| 142.5 | 75.0 | 2.007 | 0.1864 |
| 142.5 | 105.0 | 2.825 | 0.4735 |
| 142.5 | 135.0 | 2.06 | 0.3157 |
| 142.5 | 225.0 | 2.222 | 0.5173 |
| 142.5 | 255.0 | 3.573 | 0.8205 |
| 142.5 | 285.0 | 2.607 | 0.2664 |
| 142.5 | 315.0 | 1.359 | 0.1879 |
| 142.5 | 345.0 | 0.8598 | 0.1456 |
| 157.5 | 15.0 | 1.646 | 0.4942 |
| 157.5 | 345.0 | 0.7721 | 0.2354 |
Measurement comment:
Experiment comment: