Measurement E141M7
| 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: | 1.665 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 1.2295 | 0.1402 |
| -0.9 | 45.0 | 1.1134 | 0.1358 |
| -0.9 | 75.0 | 1.2188 | 0.1838 |
| -0.9 | 105.0 | 0.8714 | 0.1262 |
| -0.9 | 135.0 | 1.0127 | 0.1493 |
| -0.9 | 165.0 | 0.5587 | 0.1055 |
| -0.9 | 195.0 | 0.7792 | 0.2207 |
| -0.9 | 225.0 | 1.0291 | 0.158 |
| -0.9 | 255.0 | 0.6315 | 0.0937 |
| -0.9 | 285.0 | 1.0593 | 0.1405 |
| -0.9 | 315.0 | 1.1558 | 0.1385 |
| -0.9 | 345.0 | 1.3097 | 0.1453 |
| -0.7 | 15.0 | 1.0498 | 0.1539 |
| -0.7 | 45.0 | 1.2103 | 0.14 |
| -0.7 | 75.0 | 1.2137 | 0.1432 |
| -0.7 | 105.0 | 1.1286 | 0.1285 |
| -0.7 | 135.0 | 0.7233 | 0.0983 |
| -0.7 | 165.0 | 0.6523 | 0.0903 |
| -0.7 | 195.0 | 0.6393 | 0.0851 |
| -0.7 | 225.0 | 0.7625 | 0.0904 |
| -0.7 | 255.0 | 1.0181 | 0.1067 |
| -0.7 | 285.0 | 0.9298 | 0.1155 |
| -0.7 | 315.0 | 1.0688 | 0.1267 |
| -0.7 | 345.0 | 1.1745 | 0.1648 |
| -0.5 | 15.0 | 0.714 | 0.1241 |
| -0.5 | 45.0 | 1.0792 | 0.1481 |
| -0.5 | 75.0 | 1.4519 | 0.163 |
| -0.5 | 105.0 | 1.388 | 0.1354 |
| -0.5 | 135.0 | 0.8528 | 0.09 |
| -0.5 | 165.0 | 0.7914 | 0.0847 |
| -0.5 | 195.0 | 0.884 | 0.0906 |
| -0.5 | 225.0 | 0.9693 | 0.1018 |
| -0.5 | 255.0 | 1.538 | 0.14 |
| -0.5 | 285.0 | 1.2316 | 0.1381 |
| -0.5 | 315.0 | 0.9238 | 0.1247 |
| -0.5 | 345.0 | 0.438 | 0.0917 |
| -0.3 | 15.0 | 0.4784 | 0.1017 |
| -0.3 | 45.0 | 0.9663 | 0.1596 |
| -0.3 | 75.0 | 1.4023 | 0.1499 |
| -0.3 | 105.0 | 1.5088 | 0.12 |
| -0.3 | 135.0 | 1.1812 | 0.116 |
| -0.3 | 165.0 | 1.0238 | 0.0865 |
| -0.3 | 195.0 | 0.8917 | 0.0785 |
| -0.3 | 225.0 | 1.0895 | 0.1033 |
| -0.3 | 255.0 | 1.3026 | 0.1133 |
| -0.3 | 285.0 | 1.4045 | 0.1404 |
| -0.3 | 315.0 | 1.1344 | 0.1932 |
| -0.1 | 15.0 | 0.4435 | 0.0702 |
| -0.1 | 45.0 | 0.8996 | 0.1298 |
| -0.1 | 75.0 | 1.3883 | 0.1276 |
| -0.1 | 105.0 | 1.4276 | 0.1199 |
| -0.1 | 135.0 | 1.0194 | 0.0913 |
| -0.1 | 165.0 | 1.1919 | 0.0878 |
| -0.1 | 195.0 | 1.2904 | 0.0939 |
| -0.1 | 225.0 | 1.2045 | 0.1125 |
| -0.1 | 255.0 | 1.371 | 0.1164 |
| -0.1 | 285.0 | 1.2187 | 0.1142 |
| 0.1 | 15.0 | 0.565 | 0.1289 |
| 0.1 | 45.0 | 1.2237 | 0.1399 |
| 0.1 | 75.0 | 1.8464 | 0.1478 |
| 0.1 | 105.0 | 1.8277 | 0.147 |
| 0.1 | 135.0 | 1.1698 | 0.1108 |
| 0.1 | 165.0 | 1.2538 | 0.0896 |
| 0.1 | 195.0 | 1.3982 | 0.0977 |
| 0.1 | 225.0 | 1.3925 | 0.1382 |
| 0.1 | 255.0 | 1.3803 | 0.117 |
| 0.1 | 285.0 | 1.6898 | 0.1544 |
| 0.1 | 315.0 | 1.121 | 0.1599 |
| 0.3 | 15.0 | 0.6908 | 0.1025 |
| 0.3 | 45.0 | 1.4548 | 0.0992 |
| 0.3 | 75.0 | 2.172 | 0.1487 |
| 0.3 | 105.0 | 1.5479 | 0.112 |
| 0.3 | 135.0 | 1.4838 | 0.1124 |
| 0.3 | 165.0 | 1.3 | 0.0859 |
| 0.3 | 195.0 | 1.1252 | 0.0756 |
| 0.3 | 225.0 | 1.6393 | 0.1265 |
| 0.3 | 255.0 | 1.6834 | 0.1266 |
| 0.3 | 285.0 | 1.5989 | 0.1396 |
| 0.3 | 315.0 | 1.5012 | 0.125 |
| 0.3 | 345.0 | 1.0538 | 0.166 |
| 0.5 | 15.0 | 1.1664 | 0.1406 |
| 0.5 | 45.0 | 1.2891 | 0.0947 |
| 0.5 | 75.0 | 2.2948 | 0.1688 |
| 0.5 | 105.0 | 2.4751 | 0.2021 |
| 0.5 | 135.0 | 1.4045 | 0.1126 |
| 0.5 | 165.0 | 1.2991 | 0.0916 |
| 0.5 | 195.0 | 1.2659 | 0.0929 |
| 0.5 | 225.0 | 1.6659 | 0.1369 |
| 0.5 | 255.0 | 2.3037 | 0.2252 |
| 0.5 | 285.0 | 2.0692 | 0.1981 |
| 0.5 | 315.0 | 1.2937 | 0.1102 |
| 0.5 | 345.0 | 0.912 | 0.1235 |
| 0.7 | 15.0 | 0.9564 | 0.0764 |
| 0.7 | 45.0 | 1.6576 | 0.1283 |
| 0.7 | 75.0 | 2.7475 | 0.1998 |
| 0.7 | 105.0 | 3.2241 | 0.2818 |
| 0.7 | 135.0 | 2.2315 | 0.1814 |
| 0.7 | 165.0 | 1.3719 | 0.1072 |
| 0.7 | 195.0 | 1.3919 | 0.1058 |
| 0.7 | 225.0 | 2.0287 | 0.1615 |
| 0.7 | 255.0 | 3.1997 | 0.3211 |
| 0.7 | 285.0 | 2.9706 | 0.2504 |
| 0.7 | 315.0 | 1.5725 | 0.1391 |
| 0.7 | 345.0 | 1.078 | 0.0827 |
| 0.9 | 15.0 | 1.2314 | 0.0773 |
| 0.9 | 45.0 | 1.3107 | 0.085 |
| 0.9 | 75.0 | 1.5534 | 0.1047 |
| 0.9 | 105.0 | 1.8014 | 0.1325 |
| 0.9 | 135.0 | 1.4707 | 0.1253 |
| 0.9 | 165.0 | 1.4168 | 0.118 |
| 0.9 | 195.0 | 1.3282 | 0.1139 |
| 0.9 | 225.0 | 1.5938 | 0.1249 |
| 0.9 | 255.0 | 2.141 | 0.1572 |
| 0.9 | 285.0 | 1.6175 | 0.1073 |
| 0.9 | 315.0 | 1.4021 | 0.0894 |
| 0.9 | 345.0 | 1.3242 | 0.0816 |
Experiment comment: