Measurement E8M46
| 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: | 1.52 — 1.54 GeV | |
| Ebeam: | 1.515 GeV | |
| Publication: |
under preparation //
|
|
| θπ, [deg] | φπ, [deg] | dσ/dΩ, [μb/sr] | uncertainty |
|---|---|---|---|
| 7.5 | 15.0 | 16.48 | 3.155 |
| 7.5 | 45.0 | 13.5 | 2.165 |
| 7.5 | 75.0 | 9.682 | 1.595 |
| 7.5 | 105.0 | 12.03 | 1.478 |
| 7.5 | 135.0 | 8.26 | 0.8175 |
| 7.5 | 165.0 | 9.159 | 0.9067 |
| 7.5 | 195.0 | 13.28 | 1.374 |
| 7.5 | 225.0 | 10.73 | 1.121 |
| 7.5 | 255.0 | 14.02 | 2.061 |
| 7.5 | 285.0 | 9.429 | 1.647 |
| 7.5 | 315.0 | 12.17 | 1.86 |
| 7.5 | 345.0 | 13.28 | 4.407 |
| 22.5 | 75.0 | 9.348 | 2.458 |
| 22.5 | 105.0 | 7.67 | 1.059 |
| 22.5 | 135.0 | 6.976 | 0.6685 |
| 22.5 | 165.0 | 5.724 | 0.4136 |
| 22.5 | 195.0 | 4.953 | 0.3892 |
| 22.5 | 225.0 | 6.347 | 0.5733 |
| 22.5 | 255.0 | 6.039 | 0.8503 |
| 22.5 | 285.0 | 8.145 | 1.496 |
| 37.5 | 75.0 | 5.979 | 0.3178 |
| 37.5 | 105.0 | 5.129 | 0.4034 |
| 37.5 | 135.0 | 4.923 | 0.5261 |
| 37.5 | 165.0 | 3.392 | 0.3588 |
| 37.5 | 195.0 | 3.674 | 0.4178 |
| 37.5 | 225.0 | 5.22 | 0.5877 |
| 37.5 | 255.0 | 5.629 | 0.4608 |
| 37.5 | 285.0 | 5.697 | 0.3157 |
| 52.5 | 45.0 | 3.59 | 0.4262 |
| 52.5 | 75.0 | 3.525 | 0.2237 |
| 52.5 | 105.0 | 4.782 | 0.446 |
| 52.5 | 255.0 | 4.367 | 1.022 |
| 52.5 | 285.0 | 4.594 | 0.2971 |
| 52.5 | 315.0 | 3.515 | 0.391 |
| 67.5 | 15.0 | 2.222 | 0.3307 |
| 67.5 | 45.0 | 2.335 | 0.1725 |
| 67.5 | 75.0 | 2.835 | 0.3708 |
| 67.5 | 105.0 | 3.855 | 0.437 |
| 67.5 | 135.0 | 2.52 | 0.2059 |
| 67.5 | 165.0 | 1.32 | 0.1007 |
| 67.5 | 195.0 | 1.573 | 0.1088 |
| 67.5 | 225.0 | 2.433 | 0.1855 |
| 67.5 | 285.0 | 4.651 | 1.038 |
| 67.5 | 315.0 | 2.532 | 0.2073 |
| 67.5 | 345.0 | 2.119 | 0.4275 |
| 82.5 | 15.0 | 1.148 | 0.2332 |
| 82.5 | 45.0 | 3.056 | 0.7226 |
| 82.5 | 75.0 | 2.711 | 0.2722 |
| 82.5 | 105.0 | 2.967 | 0.1561 |
| 82.5 | 135.0 | 2.222 | 0.1683 |
| 82.5 | 165.0 | 1.394 | 0.103 |
| 82.5 | 195.0 | 1.545 | 0.1152 |
| 82.5 | 225.0 | 2.12 | 0.1598 |
| 82.5 | 255.0 | 3.167 | 0.1583 |
| 82.5 | 285.0 | 3.662 | 0.9357 |
| 82.5 | 315.0 | 2.309 | 0.6452 |
| 82.5 | 345.0 | 1.756 | 0.7328 |
| 97.5 | 45.0 | 2.199 | 0.1613 |
| 97.5 | 75.0 | 3.408 | 0.2576 |
| 97.5 | 105.0 | 3.136 | 0.1771 |
| 97.5 | 135.0 | 2.772 | 0.2118 |
| 97.5 | 165.0 | 1.683 | 0.1524 |
| 97.5 | 195.0 | 1.736 | 0.1482 |
| 97.5 | 225.0 | 3.329 | 0.2669 |
| 97.5 | 255.0 | 3.632 | 0.2016 |
| 97.5 | 285.0 | 2.789 | 0.2064 |
| 97.5 | 315.0 | 2.05 | 0.1518 |
| 112.5 | 15.0 | 1.225 | 0.149 |
| 112.5 | 45.0 | 2.161 | 0.1896 |
| 112.5 | 75.0 | 3.186 | 0.2276 |
| 112.5 | 105.0 | 3.605 | 0.2268 |
| 112.5 | 135.0 | 3.106 | 0.2549 |
| 112.5 | 165.0 | 1.647 | 0.1387 |
| 112.5 | 195.0 | 2.064 | 0.1766 |
| 112.5 | 225.0 | 2.727 | 0.2014 |
| 112.5 | 255.0 | 3.68 | 0.239 |
| 112.5 | 285.0 | 3.359 | 0.2689 |
| 112.5 | 315.0 | 2.076 | 0.1882 |
| 112.5 | 345.0 | 1.268 | 0.1524 |
| 127.5 | 15.0 | 1.231 | 0.1556 |
| 127.5 | 45.0 | 2.128 | 0.1973 |
| 127.5 | 75.0 | 2.4 | 0.1907 |
| 127.5 | 105.0 | 2.843 | 0.2066 |
| 127.5 | 135.0 | 2.474 | 0.2246 |
| 127.5 | 165.0 | 1.713 | 0.2164 |
| 127.5 | 195.0 | 1.497 | 0.1835 |
| 127.5 | 225.0 | 2.356 | 0.2416 |
| 127.5 | 255.0 | 3.102 | 0.2378 |
| 127.5 | 285.0 | 2.873 | 0.2331 |
| 127.5 | 315.0 | 1.955 | 0.1811 |
| 127.5 | 345.0 | 1.368 | 0.1817 |
| 142.5 | 15.0 | 1.146 | 0.1571 |
| 142.5 | 45.0 | 1.592 | 0.189 |
| 142.5 | 75.0 | 1.889 | 0.2055 |
| 142.5 | 105.0 | 2.874 | 0.7355 |
| 142.5 | 135.0 | 2.016 | 0.2963 |
| 142.5 | 225.0 | 2.162 | 0.4524 |
| 142.5 | 255.0 | 1.808 | 0.3067 |
| 142.5 | 285.0 | 2.062 | 0.262 |
| 142.5 | 315.0 | 1.725 | 0.237 |
| 142.5 | 345.0 | 1.053 | 0.1784 |
| 157.5 | 15.0 | 1.111 | 0.3249 |
| 157.5 | 345.0 | 1.319 | 0.461 |
Measurement comment:
Experiment comment: