Measurement E141M18
| 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: | 1.775 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 15.0 | 0.2646 | 0.1253 |
| -0.9 | 45.0 | 0.3115 | 0.2174 |
| -0.9 | 105.0 | 0.2166 | 0.1804 |
| -0.9 | 135.0 | 0.2204 | 0.1827 |
| -0.9 | 315.0 | 0.1994 | 0.3089 |
| -0.9 | 345.0 | 0.2322 | 0.1054 |
| -0.7 | 15.0 | 0.1394 | 0.055 |
| -0.7 | 45.0 | 0.179 | 0.0513 |
| -0.7 | 75.0 | 0.1936 | 0.064 |
| -0.7 | 105.0 | 0.1062 | 0.0301 |
| -0.7 | 135.0 | 0.0945 | 0.0344 |
| -0.7 | 165.0 | 0.0916 | 0.0321 |
| -0.7 | 195.0 | 0.0864 | 0.0293 |
| -0.7 | 225.0 | 0.1029 | 0.029 |
| -0.7 | 255.0 | 0.1483 | 0.0333 |
| -0.7 | 285.0 | 0.1252 | 0.038 |
| -0.7 | 315.0 | 0.1333 | 0.0466 |
| -0.7 | 345.0 | 0.1267 | 0.0427 |
| -0.5 | 15.0 | 0.1839 | 0.0657 |
| -0.5 | 45.0 | 0.2524 | 0.0603 |
| -0.5 | 75.0 | 0.273 | 0.0625 |
| -0.5 | 105.0 | 0.2166 | 0.037 |
| -0.5 | 135.0 | 0.2381 | 0.054 |
| -0.5 | 165.0 | 0.1548 | 0.03 |
| -0.5 | 195.0 | 0.1565 | 0.0297 |
| -0.5 | 225.0 | 0.224 | 0.0389 |
| -0.5 | 255.0 | 0.1822 | 0.0283 |
| -0.5 | 285.0 | 0.2261 | 0.0495 |
| -0.5 | 315.0 | 0.2056 | 0.0487 |
| -0.5 | 345.0 | 0.1741 | 0.075 |
| -0.3 | 15.0 | 0.1611 | 0.0618 |
| -0.3 | 45.0 | 0.2887 | 0.0644 |
| -0.3 | 75.0 | 0.4773 | 0.0702 |
| -0.3 | 105.0 | 0.4046 | 0.0533 |
| -0.3 | 135.0 | 0.3022 | 0.042 |
| -0.3 | 165.0 | 0.2134 | 0.0292 |
| -0.3 | 195.0 | 0.2295 | 0.03 |
| -0.3 | 225.0 | 0.2755 | 0.0485 |
| -0.3 | 255.0 | 0.3723 | 0.0492 |
| -0.3 | 285.0 | 0.3429 | 0.0468 |
| -0.3 | 315.0 | 0.4635 | 0.1076 |
| -0.1 | 15.0 | 0.281 | 0.0724 |
| -0.1 | 45.0 | 0.3639 | 0.0779 |
| -0.1 | 75.0 | 0.6739 | 0.0825 |
| -0.1 | 105.0 | 0.6746 | 0.0795 |
| -0.1 | 135.0 | 0.4748 | 0.0675 |
| -0.1 | 165.0 | 0.3239 | 0.0338 |
| -0.1 | 195.0 | 0.326 | 0.0347 |
| -0.1 | 225.0 | 0.4287 | 0.0664 |
| -0.1 | 255.0 | 0.4814 | 0.0581 |
| -0.1 | 285.0 | 0.6583 | 0.0862 |
| 0.1 | 15.0 | 0.1515 | 0.0421 |
| 0.1 | 45.0 | 0.4881 | 0.0822 |
| 0.1 | 75.0 | 0.7816 | 0.0884 |
| 0.1 | 105.0 | 0.612 | 0.072 |
| 0.1 | 135.0 | 0.5328 | 0.0708 |
| 0.1 | 165.0 | 0.3669 | 0.0372 |
| 0.1 | 195.0 | 0.3524 | 0.0344 |
| 0.1 | 225.0 | 0.4536 | 0.0618 |
| 0.1 | 255.0 | 0.5267 | 0.0646 |
| 0.1 | 285.0 | 0.6442 | 0.083 |
| 0.1 | 315.0 | 0.5827 | 0.1367 |
| 0.1 | 345.0 | 0.1072 | 0.0378 |
| 0.3 | 15.0 | 0.2005 | 0.0493 |
| 0.3 | 45.0 | 0.4206 | 0.0436 |
| 0.3 | 75.0 | 0.8435 | 0.0758 |
| 0.3 | 105.0 | 0.5987 | 0.0625 |
| 0.3 | 135.0 | 0.5055 | 0.0488 |
| 0.3 | 165.0 | 0.3001 | 0.0238 |
| 0.3 | 195.0 | 0.3603 | 0.0291 |
| 0.3 | 225.0 | 0.4463 | 0.0447 |
| 0.3 | 255.0 | 0.5989 | 0.0707 |
| 0.3 | 285.0 | 0.7681 | 0.0879 |
| 0.3 | 315.0 | 0.3454 | 0.0415 |
| 0.3 | 345.0 | 0.3175 | 0.1193 |
| 0.5 | 15.0 | 0.1974 | 0.0331 |
| 0.5 | 45.0 | 0.4363 | 0.0442 |
| 0.5 | 75.0 | 0.9413 | 0.0909 |
| 0.5 | 105.0 | 0.9803 | 0.1216 |
| 0.5 | 135.0 | 0.5902 | 0.0563 |
| 0.5 | 165.0 | 0.3993 | 0.0357 |
| 0.5 | 195.0 | 0.3846 | 0.0326 |
| 0.5 | 225.0 | 0.5013 | 0.0527 |
| 0.5 | 255.0 | 0.793 | 0.1228 |
| 0.5 | 285.0 | 0.7801 | 0.0951 |
| 0.5 | 315.0 | 0.4728 | 0.0498 |
| 0.5 | 345.0 | 0.1548 | 0.0338 |
| 0.7 | 15.0 | 0.222 | 0.0251 |
| 0.7 | 45.0 | 0.3608 | 0.0415 |
| 0.7 | 75.0 | 0.6215 | 0.0609 |
| 0.7 | 105.0 | 0.9256 | 0.1064 |
| 0.7 | 135.0 | 0.9207 | 0.113 |
| 0.7 | 165.0 | 0.643 | 0.0679 |
| 0.7 | 195.0 | 0.6106 | 0.0633 |
| 0.7 | 225.0 | 0.7731 | 0.0932 |
| 0.7 | 255.0 | 0.8512 | 0.1166 |
| 0.7 | 285.0 | 0.6744 | 0.0799 |
| 0.7 | 345.0 | 0.2128 | 0.0242 |
| 0.9 | 15.0 | 0.4686 | 0.0346 |
| 0.9 | 45.0 | 0.4753 | 0.0376 |
| 0.9 | 75.0 | 0.5933 | 0.0447 |
| 0.9 | 105.0 | 0.6175 | 0.0457 |
| 0.9 | 135.0 | 0.7312 | 0.0551 |
| 0.9 | 165.0 | 0.8852 | 0.0705 |
| 0.9 | 195.0 | 0.729 | 0.0585 |
| 0.9 | 225.0 | 0.796 | 0.0612 |
| 0.9 | 255.0 | 0.6685 | 0.05 |
| 0.9 | 285.0 | 0.6014 | 0.0454 |
| 0.9 | 315.0 | 0.5009 | 0.0379 |
| 0.9 | 345.0 | 0.4665 | 0.0348 |
Experiment comment: