Measurement E141M3
| Experiment: | Measurement of ep→e′nπ+ at 1.6<W<2.0 GeV and extraction of nucleon resonance electrocoupling at CLAS | |
|---|---|---|
| Year: | 2014 | |
| Spokespersons: | K. Park, V.D. Burkert, I.G. Aznauryan | |
| Reaction: | ep → π+n | |
| Polarization: | beam | |
| Quantity: | dσ/dΩ | |
| Q2: | 1.8 GeV2 | |
| W: | 1.625 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 1.3361 | 0.1949 |
| -0.9 | 45.0 | 0.9617 | 0.137 |
| -0.9 | 75.0 | 1.0973 | 0.1857 |
| -0.9 | 105.0 | 0.8823 | 0.1285 |
| -0.9 | 135.0 | 0.8692 | 0.1273 |
| -0.9 | 165.0 | 0.6435 | 0.2013 |
| -0.9 | 195.0 | 0.8602 | 0.2689 |
| -0.9 | 225.0 | 0.8353 | 0.1244 |
| -0.9 | 255.0 | 0.7563 | 0.1184 |
| -0.9 | 285.0 | 0.8297 | 0.1104 |
| -0.9 | 315.0 | 1.1176 | 0.1566 |
| -0.9 | 345.0 | 1.3919 | 0.1886 |
| -0.7 | 15.0 | 0.9306 | 0.155 |
| -0.7 | 45.0 | 1.1743 | 0.1495 |
| -0.7 | 75.0 | 1.1042 | 0.1414 |
| -0.7 | 105.0 | 0.879 | 0.0913 |
| -0.7 | 135.0 | 0.7978 | 0.0998 |
| -0.7 | 165.0 | 0.7496 | 0.1046 |
| -0.7 | 195.0 | 0.7243 | 0.0944 |
| -0.7 | 225.0 | 0.9756 | 0.1136 |
| -0.7 | 255.0 | 1.2619 | 0.1278 |
| -0.7 | 285.0 | 1.1175 | 0.1399 |
| -0.7 | 315.0 | 1.0208 | 0.1225 |
| -0.7 | 345.0 | 1.0583 | 0.1496 |
| -0.5 | 15.0 | 0.6258 | 0.1104 |
| -0.5 | 45.0 | 1.2667 | 0.1723 |
| -0.5 | 75.0 | 1.7444 | 0.1814 |
| -0.5 | 105.0 | 1.9307 | 0.1656 |
| -0.5 | 135.0 | 1.2768 | 0.1281 |
| -0.5 | 165.0 | 0.8444 | 0.0941 |
| -0.5 | 195.0 | 0.986 | 0.1033 |
| -0.5 | 225.0 | 1.2029 | 0.1295 |
| -0.5 | 255.0 | 1.5295 | 0.1302 |
| -0.5 | 285.0 | 1.5694 | 0.1713 |
| -0.5 | 315.0 | 1.3193 | 0.1834 |
| -0.5 | 345.0 | 0.7497 | 0.1321 |
| -0.3 | 15.0 | 0.7524 | 0.1427 |
| -0.3 | 45.0 | 1.1964 | 0.1835 |
| -0.3 | 75.0 | 1.4024 | 0.1495 |
| -0.3 | 105.0 | 1.5018 | 0.1385 |
| -0.3 | 135.0 | 1.3709 | 0.1245 |
| -0.3 | 165.0 | 0.9862 | 0.0911 |
| -0.3 | 195.0 | 1.0938 | 0.0985 |
| -0.3 | 225.0 | 1.0761 | 0.1044 |
| -0.3 | 255.0 | 1.3485 | 0.1176 |
| -0.3 | 285.0 | 1.3991 | 0.136 |
| -0.3 | 315.0 | 1.1933 | 0.2272 |
| -0.3 | 345.0 | 0.4358 | 0.0883 |
| -0.1 | 15.0 | 0.6221 | 0.0909 |
| -0.1 | 45.0 | 1.2576 | 0.2178 |
| -0.1 | 75.0 | 1.3776 | 0.1449 |
| -0.1 | 105.0 | 1.4481 | 0.1407 |
| -0.1 | 135.0 | 1.2147 | 0.1231 |
| -0.1 | 165.0 | 1.2289 | 0.0992 |
| -0.1 | 195.0 | 1.2328 | 0.0959 |
| -0.1 | 225.0 | 1.2567 | 0.1278 |
| -0.1 | 255.0 | 1.2298 | 0.1163 |
| -0.1 | 285.0 | 1.2141 | 0.1271 |
| -0.1 | 345.0 | 0.6549 | 0.1426 |
| 0.1 | 15.0 | 0.6588 | 0.1353 |
| 0.1 | 45.0 | 1.0983 | 0.1259 |
| 0.1 | 75.0 | 1.5036 | 0.1366 |
| 0.1 | 105.0 | 1.579 | 0.1422 |
| 0.1 | 165.0 | 1.0337 | 0.0822 |
| 0.1 | 195.0 | 1.1371 | 0.0878 |
| 0.1 | 225.0 | 0.9851 | 0.1099 |
| 0.1 | 255.0 | 1.1777 | 0.1139 |
| 0.1 | 285.0 | 1.419 | 0.1482 |
| 0.1 | 315.0 | 1.3426 | 0.1991 |
| 0.1 | 345.0 | 0.5337 | 0.1717 |
| 0.3 | 15.0 | 0.5621 | 0.076 |
| 0.3 | 45.0 | 1.0865 | 0.0839 |
| 0.3 | 75.0 | 1.7084 | 0.1285 |
| 0.3 | 105.0 | 1.4372 | 0.1253 |
| 0.3 | 135.0 | 1.3944 | 0.1236 |
| 0.3 | 165.0 | 1.0738 | 0.0818 |
| 0.3 | 195.0 | 1.2093 | 0.0898 |
| 0.3 | 225.0 | 1.3433 | 0.1156 |
| 0.3 | 285.0 | 1.2988 | 0.1229 |
| 0.3 | 315.0 | 1.0937 | 0.0949 |
| 0.3 | 345.0 | 0.9291 | 0.1424 |
| 0.5 | 15.0 | 0.8121 | 0.1075 |
| 0.5 | 45.0 | 1.0569 | 0.0835 |
| 0.5 | 75.0 | 2.1425 | 0.1807 |
| 0.5 | 105.0 | 2.1166 | 0.1908 |
| 0.5 | 165.0 | 1.0534 | 0.0844 |
| 0.5 | 195.0 | 1.2355 | 0.0999 |
| 0.5 | 225.0 | 1.5296 | 0.1448 |
| 0.5 | 255.0 | 2.1684 | 0.2259 |
| 0.5 | 285.0 | 1.9902 | 0.2187 |
| 0.5 | 315.0 | 1.1572 | 0.1076 |
| 0.5 | 345.0 | 0.8074 | 0.1084 |
| 0.7 | 15.0 | 0.8248 | 0.0675 |
| 0.7 | 45.0 | 1.6974 | 0.1392 |
| 0.7 | 75.0 | 2.5283 | 0.2038 |
| 0.7 | 105.0 | 2.7236 | 0.2597 |
| 0.7 | 135.0 | 1.8208 | 0.154 |
| 0.7 | 165.0 | 1.1822 | 0.0943 |
| 0.7 | 195.0 | 1.2384 | 0.1024 |
| 0.7 | 225.0 | 1.8461 | 0.1585 |
| 0.7 | 255.0 | 2.4542 | 0.2602 |
| 0.7 | 285.0 | 2.5151 | 0.2449 |
| 0.7 | 315.0 | 1.4098 | 0.1293 |
| 0.7 | 345.0 | 0.8366 | 0.0687 |
| 0.9 | 15.0 | 1.4688 | 0.0956 |
| 0.9 | 45.0 | 1.4663 | 0.0993 |
| 0.9 | 75.0 | 1.6916 | 0.1244 |
| 0.9 | 105.0 | 1.875 | 0.1508 |
| 0.9 | 135.0 | 1.9953 | 0.1748 |
| 0.9 | 165.0 | 1.4606 | 0.1294 |
| 0.9 | 195.0 | 1.5922 | 0.1453 |
| 0.9 | 225.0 | 1.8676 | 0.1618 |
| 0.9 | 255.0 | 1.9654 | 0.161 |
| 0.9 | 285.0 | 1.6035 | 0.12 |
| 0.9 | 315.0 | 1.6513 | 0.1147 |
| 0.9 | 345.0 | 1.2942 | 0.0856 |
Experiment comment: