Measurement E141M61
| 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: | 2.6 GeV2 | |
| W: | 1.745 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.1289 | 0.0319 |
| -0.9 | 45.0 | 0.1137 | 0.0235 |
| -0.9 | 75.0 | 0.1188 | 0.0299 |
| -0.9 | 105.0 | 0.1701 | 0.0522 |
| -0.9 | 135.0 | 0.1536 | 0.0439 |
| -0.9 | 165.0 | 0.1072 | 0.0336 |
| -0.9 | 225.0 | 0.0644 | 0.0183 |
| -0.9 | 285.0 | 0.082 | 0.0232 |
| -0.9 | 315.0 | 0.1134 | 0.0261 |
| -0.7 | 45.0 | 0.1183 | 0.0204 |
| -0.7 | 75.0 | 0.1112 | 0.0207 |
| -0.7 | 105.0 | 0.1615 | 0.0274 |
| -0.7 | 135.0 | 0.151 | 0.029 |
| -0.7 | 165.0 | 0.084 | 0.0163 |
| -0.7 | 195.0 | 0.1247 | 0.0243 |
| -0.7 | 225.0 | 0.1076 | 0.0208 |
| -0.7 | 255.0 | 0.1164 | 0.0187 |
| -0.7 | 285.0 | 0.1238 | 0.026 |
| -0.7 | 315.0 | 0.0878 | 0.0153 |
| -0.7 | 345.0 | 0.1077 | 0.0247 |
| -0.5 | 45.0 | 0.0934 | 0.0242 |
| -0.5 | 75.0 | 0.1259 | 0.019 |
| -0.5 | 105.0 | 0.1512 | 0.0207 |
| -0.5 | 135.0 | 0.082 | 0.0131 |
| -0.5 | 165.0 | 0.0818 | 0.0127 |
| -0.5 | 195.0 | 0.0943 | 0.0142 |
| -0.5 | 225.0 | 0.1223 | 0.0185 |
| -0.5 | 255.0 | 0.0905 | 0.0136 |
| -0.5 | 285.0 | 0.155 | 0.0244 |
| -0.5 | 315.0 | 0.0677 | 0.0167 |
| -0.3 | 15.0 | 0.1134 | 0.0256 |
| -0.3 | 45.0 | 0.0943 | 0.0237 |
| -0.3 | 75.0 | 0.2401 | 0.0337 |
| -0.3 | 135.0 | 0.175 | 0.0252 |
| -0.3 | 165.0 | 0.1542 | 0.0202 |
| -0.3 | 195.0 | 0.1388 | 0.0159 |
| -0.3 | 225.0 | 0.1604 | 0.0199 |
| -0.3 | 255.0 | 0.1815 | 0.0224 |
| -0.3 | 285.0 | 0.137 | 0.0237 |
| -0.1 | 15.0 | 0.0925 | 0.0254 |
| -0.1 | 45.0 | 0.206 | 0.0434 |
| -0.1 | 75.0 | 0.375 | 0.0553 |
| -0.1 | 105.0 | 0.2612 | 0.0368 |
| -0.1 | 135.0 | 0.2327 | 0.0329 |
| -0.1 | 165.0 | 0.1696 | 0.0212 |
| -0.1 | 195.0 | 0.1682 | 0.0205 |
| -0.1 | 225.0 | 0.2641 | 0.035 |
| -0.1 | 255.0 | 0.2048 | 0.0252 |
| -0.1 | 285.0 | 0.369 | 0.055 |
| 0.1 | 45.0 | 0.3076 | 0.0538 |
| 0.1 | 75.0 | 0.553 | 0.0681 |
| 0.1 | 105.0 | 0.5726 | 0.0743 |
| 0.1 | 135.0 | 0.3496 | 0.0478 |
| 0.1 | 165.0 | 0.1514 | 0.0165 |
| 0.1 | 195.0 | 0.1947 | 0.0233 |
| 0.1 | 225.0 | 0.2451 | 0.0332 |
| 0.1 | 255.0 | 0.2741 | 0.037 |
| 0.1 | 285.0 | 0.4755 | 0.0839 |
| 0.1 | 315.0 | 0.4554 | 0.0867 |
| 0.3 | 15.0 | 0.2002 | 0.0453 |
| 0.3 | 45.0 | 0.3799 | 0.0425 |
| 0.3 | 75.0 | 0.4451 | 0.0475 |
| 0.3 | 105.0 | 0.4319 | 0.0522 |
| 0.3 | 135.0 | 0.2762 | 0.034 |
| 0.3 | 165.0 | 0.2471 | 0.0253 |
| 0.3 | 195.0 | 0.2816 | 0.025 |
| 0.3 | 225.0 | 0.3124 | 0.0467 |
| 0.3 | 255.0 | 0.2679 | 0.0356 |
| 0.3 | 285.0 | 0.416 | 0.0615 |
| 0.3 | 315.0 | 0.2176 | 0.0291 |
| 0.3 | 345.0 | 0.5094 | 0.1793 |
| 0.5 | 15.0 | 0.1097 | 0.0219 |
| 0.5 | 45.0 | 0.3558 | 0.0533 |
| 0.5 | 75.0 | 0.4043 | 0.052 |
| 0.5 | 105.0 | 0.6944 | 0.102 |
| 0.5 | 135.0 | 0.5759 | 0.0838 |
| 0.5 | 165.0 | 0.2131 | 0.0235 |
| 0.5 | 195.0 | 0.1857 | 0.0216 |
| 0.5 | 225.0 | 0.4669 | 0.0684 |
| 0.5 | 255.0 | 0.4332 | 0.0798 |
| 0.5 | 285.0 | 0.5541 | 0.0856 |
| 0.5 | 315.0 | 0.4408 | 0.0733 |
| 0.5 | 345.0 | 0.3543 | 0.1042 |
| 0.7 | 15.0 | 0.2377 | 0.0322 |
| 0.7 | 45.0 | 0.4449 | 0.0599 |
| 0.7 | 75.0 | 0.4684 | 0.0627 |
| 0.7 | 105.0 | 0.6266 | 0.0869 |
| 0.7 | 135.0 | 0.5121 | 0.0784 |
| 0.7 | 165.0 | 0.5575 | 0.0867 |
| 0.7 | 195.0 | 0.6201 | 0.0925 |
| 0.7 | 225.0 | 0.6602 | 0.1036 |
| 0.7 | 255.0 | 0.6488 | 0.1003 |
| 0.7 | 285.0 | 0.3612 | 0.0492 |
| 0.7 | 315.0 | 0.4467 | 0.0796 |
| 0.7 | 345.0 | 0.2758 | 0.0383 |
| 0.9 | 15.0 | 0.5486 | 0.0592 |
| 0.9 | 45.0 | 0.5496 | 0.0648 |
| 0.9 | 75.0 | 0.6294 | 0.0719 |
| 0.9 | 105.0 | 0.9889 | 0.1075 |
| 0.9 | 135.0 | 0.9258 | 0.1029 |
| 0.9 | 165.0 | 1.1853 | 0.1386 |
| 0.9 | 195.0 | 1.1107 | 0.1366 |
| 0.9 | 225.0 | 1.1003 | 0.1273 |
| 0.9 | 255.0 | 0.7806 | 0.0913 |
| 0.9 | 285.0 | 0.4803 | 0.0524 |
| 0.9 | 315.0 | 0.5941 | 0.0684 |
| 0.9 | 345.0 | 0.5198 | 0.0568 |
Experiment comment: