Measurement E141M66
| 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: | 1.83 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 7.5 | 0.0562 | 0.0145 |
| -0.9 | 22.5 | 0.0585 | 0.0196 |
| -0.9 | 37.5 | 0.0455 | 0.0141 |
| -0.9 | 52.5 | 0.0816 | 0.0243 |
| -0.9 | 67.5 | 0.0859 | 0.0304 |
| -0.9 | 82.5 | 0.0324 | 0.0122 |
| -0.9 | 97.5 | 0.0564 | 0.0191 |
| -0.9 | 112.5 | 0.0768 | 0.0189 |
| -0.9 | 127.5 | 0.0479 | 0.014 |
| -0.9 | 142.5 | 0.0343 | 0.015 |
| -0.9 | 157.5 | 0.0674 | 0.0226 |
| -0.9 | 172.5 | 0.0456 | 0.0162 |
| -0.9 | 187.5 | 0.0213 | 0.0081 |
| -0.9 | 202.5 | 0.0852 | 0.0308 |
| -0.9 | 217.5 | 0.0847 | 0.0316 |
| -0.9 | 232.5 | 0.0626 | 0.0181 |
| -0.9 | 247.5 | 0.0654 | 0.0191 |
| -0.9 | 262.5 | 0.0722 | 0.0247 |
| -0.9 | 277.5 | 0.0827 | 0.0255 |
| -0.9 | 292.5 | 0.0708 | 0.0203 |
| -0.9 | 307.5 | 0.0586 | 0.0154 |
| -0.9 | 322.5 | 0.0834 | 0.0322 |
| -0.9 | 337.5 | 0.0646 | 0.026 |
| -0.9 | 352.5 | 0.0427 | 0.0121 |
| -0.7 | 7.5 | 0.0714 | 0.0181 |
| -0.7 | 22.5 | 0.0893 | 0.0229 |
| -0.7 | 37.5 | 0.075 | 0.019 |
| -0.7 | 52.5 | 0.0644 | 0.0165 |
| -0.7 | 67.5 | 0.11 | 0.0247 |
| -0.7 | 82.5 | 0.083 | 0.019 |
| -0.7 | 97.5 | 0.0937 | 0.0242 |
| -0.7 | 112.5 | 0.0831 | 0.0215 |
| -0.7 | 127.5 | 0.0487 | 0.0102 |
| -0.7 | 142.5 | 0.0639 | 0.014 |
| -0.7 | 157.5 | 0.0391 | 0.0097 |
| -0.7 | 172.5 | 0.0403 | 0.0106 |
| -0.7 | 187.5 | 0.0563 | 0.0127 |
| -0.7 | 202.5 | 0.0247 | 0.0082 |
| -0.7 | 217.5 | 0.0383 | 0.0096 |
| -0.7 | 232.5 | 0.0554 | 0.0125 |
| -0.7 | 247.5 | 0.0853 | 0.0222 |
| -0.7 | 262.5 | 0.0625 | 0.0174 |
| -0.7 | 277.5 | 0.0522 | 0.0176 |
| -0.7 | 292.5 | 0.085 | 0.0208 |
| -0.7 | 307.5 | 0.1054 | 0.0219 |
| -0.7 | 322.5 | 0.0669 | 0.0166 |
| -0.7 | 337.5 | 0.0735 | 0.0217 |
| -0.7 | 352.5 | 0.0587 | 0.0153 |
| -0.5 | 7.5 | 0.0661 | 0.0203 |
| -0.5 | 22.5 | 0.077 | 0.0239 |
| -0.5 | 37.5 | 0.0944 | 0.0245 |
| -0.5 | 52.5 | 0.0707 | 0.0175 |
| -0.5 | 67.5 | 0.13 | 0.0282 |
| -0.5 | 82.5 | 0.1068 | 0.0207 |
| -0.5 | 97.5 | 0.0554 | 0.0115 |
| -0.5 | 112.5 | 0.063 | 0.0119 |
| -0.5 | 127.5 | 0.0588 | 0.011 |
| -0.5 | 142.5 | 0.0354 | 0.0081 |
| -0.5 | 157.5 | 0.0488 | 0.01 |
| -0.5 | 172.5 | 0.0391 | 0.008 |
| -0.5 | 187.5 | 0.0748 | 0.0139 |
| -0.5 | 202.5 | 0.0497 | 0.0106 |
| -0.5 | 217.5 | 0.0467 | 0.0113 |
| -0.5 | 232.5 | 0.0445 | 0.0094 |
| -0.5 | 247.5 | 0.0845 | 0.0144 |
| -0.5 | 262.5 | 0.067 | 0.0116 |
| -0.5 | 277.5 | 0.0865 | 0.0172 |
| -0.5 | 292.5 | 0.074 | 0.0181 |
| -0.5 | 307.5 | 0.1317 | 0.0273 |
| -0.5 | 322.5 | 0.0814 | 0.0222 |
| -0.3 | 22.5 | 0.0686 | 0.0215 |
| -0.3 | 37.5 | 0.1147 | 0.0294 |
| -0.3 | 52.5 | 0.1713 | 0.0472 |
| -0.3 | 67.5 | 0.1213 | 0.0305 |
| -0.3 | 82.5 | 0.0918 | 0.0182 |
| -0.3 | 97.5 | 0.1111 | 0.0163 |
| -0.3 | 112.5 | 0.0902 | 0.0166 |
| -0.3 | 127.5 | 0.1056 | 0.0177 |
| -0.3 | 142.5 | 0.058 | 0.0124 |
| -0.3 | 157.5 | 0.0612 | 0.0113 |
| -0.3 | 172.5 | 0.0507 | 0.0084 |
| -0.3 | 187.5 | 0.0419 | 0.0072 |
| -0.3 | 202.5 | 0.0793 | 0.0128 |
| -0.3 | 217.5 | 0.0583 | 0.0104 |
| -0.3 | 232.5 | 0.11 | 0.0164 |
| -0.3 | 247.5 | 0.1253 | 0.0147 |
| -0.3 | 262.5 | 0.1161 | 0.0159 |
| -0.3 | 277.5 | 0.0909 | 0.0178 |
| -0.3 | 292.5 | 0.1016 | 0.0253 |
| -0.1 | 22.5 | 0.0728 | 0.0216 |
| -0.1 | 37.5 | 0.1044 | 0.0273 |
| -0.1 | 52.5 | 0.1058 | 0.0355 |
| -0.1 | 67.5 | 0.163 | 0.0397 |
| -0.1 | 82.5 | 0.1947 | 0.0339 |
| -0.1 | 97.5 | 0.1487 | 0.0182 |
| -0.1 | 112.5 | 0.1683 | 0.0242 |
| -0.1 | 127.5 | 0.1407 | 0.0223 |
| -0.1 | 142.5 | 0.0882 | 0.0169 |
| -0.1 | 157.5 | 0.0741 | 0.0128 |
| -0.1 | 172.5 | 0.0764 | 0.011 |
| -0.1 | 187.5 | 0.0564 | 0.0085 |
| -0.1 | 202.5 | 0.108 | 0.0169 |
| -0.1 | 217.5 | 0.1004 | 0.0186 |
| -0.1 | 232.5 | 0.1283 | 0.0201 |
| -0.1 | 247.5 | 0.1309 | 0.0193 |
| -0.1 | 262.5 | 0.1414 | 0.0219 |
| -0.1 | 277.5 | 0.1878 | 0.0402 |
| -0.1 | 292.5 | 0.1089 | 0.0524 |
| 0.1 | 22.5 | 0.1216 | 0.0483 |
| 0.1 | 37.5 | 0.1796 | 0.0782 |
| 0.1 | 52.5 | 0.1625 | 0.0482 |
| 0.1 | 67.5 | 0.1389 | 0.0339 |
| 0.1 | 82.5 | 0.1436 | 0.0377 |
| 0.1 | 97.5 | 0.1314 | 0.0336 |
| 0.1 | 112.5 | 0.0829 | 0.023 |
| 0.1 | 127.5 | 0.0964 | 0.0236 |
| 0.1 | 142.5 | 0.115 | 0.0241 |
| 0.1 | 157.5 | 0.0829 | 0.0148 |
| 0.1 | 172.5 | 0.0713 | 0.0115 |
| 0.1 | 187.5 | 0.0694 | 0.0117 |
| 0.1 | 202.5 | 0.0853 | 0.016 |
| 0.1 | 217.5 | 0.098 | 0.0204 |
| 0.1 | 232.5 | 0.1405 | 0.0322 |
| 0.1 | 247.5 | 0.1093 | 0.0317 |
| 0.1 | 262.5 | 0.1895 | 0.0592 |
| 0.1 | 277.5 | 0.1676 | 0.0626 |
| 0.1 | 292.5 | 0.2263 | 0.0874 |
| 0.1 | 307.5 | 0.1342 | 0.0941 |
| 0.3 | 37.5 | 0.1252 | 0.0347 |
| 0.3 | 52.5 | 0.2139 | 0.0506 |
| 0.3 | 67.5 | 0.1887 | 0.0471 |
| 0.3 | 82.5 | 0.3136 | 0.0674 |
| 0.3 | 97.5 | 0.1814 | 0.0557 |
| 0.3 | 112.5 | 0.2417 | 0.0818 |
| 0.3 | 127.5 | 0.3006 | 0.0707 |
| 0.3 | 142.5 | 0.1205 | 0.0275 |
| 0.3 | 157.5 | 0.056 | 0.0108 |
| 0.3 | 172.5 | 0.1405 | 0.016 |
| 0.3 | 187.5 | 0.1224 | 0.0145 |
| 0.3 | 202.5 | 0.0587 | 0.0129 |
| 0.3 | 217.5 | 0.1154 | 0.0293 |
| 0.3 | 232.5 | 0.2325 | 0.0647 |
| 0.3 | 247.5 | 0.1692 | 0.0794 |
| 0.3 | 262.5 | 0.2343 | 0.0897 |
| 0.3 | 277.5 | 0.4465 | 0.1349 |
| 0.3 | 292.5 | 0.2888 | 0.0837 |
| 0.3 | 307.5 | 0.1874 | 0.0632 |
| 0.3 | 322.5 | 0.2383 | 0.0797 |
| 0.5 | 22.5 | 0.2301 | 0.0598 |
| 0.5 | 37.5 | 0.1858 | 0.0397 |
| 0.5 | 52.5 | 0.2129 | 0.0483 |
| 0.5 | 67.5 | 0.2282 | 0.0421 |
| 0.5 | 82.5 | 0.3405 | 0.0611 |
| 0.5 | 97.5 | 0.3238 | 0.07 |
| 0.5 | 112.5 | 0.5882 | 0.1281 |
| 0.5 | 127.5 | 0.4528 | 0.1012 |
| 0.5 | 142.5 | 0.1682 | 0.0394 |
| 0.5 | 157.5 | 0.1547 | 0.0289 |
| 0.5 | 172.5 | 0.1237 | 0.022 |
| 0.5 | 187.5 | 0.1151 | 0.0217 |
| 0.5 | 202.5 | 0.1784 | 0.0322 |
| 0.5 | 217.5 | 0.3275 | 0.0711 |
| 0.5 | 232.5 | 0.4607 | 0.1044 |
| 0.5 | 247.5 | 0.5441 | 0.1465 |
| 0.5 | 262.5 | 0.2092 | 0.0767 |
| 0.5 | 277.5 | 0.1514 | 0.0688 |
| 0.5 | 292.5 | 0.181 | 0.0652 |
| 0.5 | 307.5 | 0.3015 | 0.0849 |
| 0.5 | 322.5 | 0.1007 | 0.04 |
| 0.5 | 337.5 | 0.2732 | 0.1004 |
| 0.7 | 7.5 | 0.1724 | 0.0439 |
| 0.7 | 22.5 | 0.1449 | 0.0442 |
| 0.7 | 37.5 | 0.2518 | 0.0582 |
| 0.7 | 52.5 | 0.3113 | 0.0713 |
| 0.7 | 67.5 | 0.3928 | 0.0758 |
| 0.7 | 82.5 | 0.5058 | 0.0859 |
| 0.7 | 97.5 | 0.3363 | 0.0702 |
| 0.7 | 112.5 | 0.6823 | 0.1326 |
| 0.7 | 127.5 | 0.5235 | 0.1012 |
| 0.7 | 142.5 | 0.6756 | 0.1325 |
| 0.7 | 157.5 | 0.8062 | 0.1542 |
| 0.7 | 172.5 | 0.9347 | 0.1756 |
| 0.7 | 187.5 | 0.6036 | 0.1076 |
| 0.7 | 202.5 | 0.9144 | 0.1617 |
| 0.7 | 217.5 | 0.9382 | 0.2499 |
| 0.7 | 232.5 | 0.4113 | 0.0915 |
| 0.7 | 247.5 | 0.5339 | 0.1142 |
| 0.7 | 262.5 | 0.4172 | 0.0962 |
| 0.7 | 277.5 | 0.3338 | 0.075 |
| 0.7 | 292.5 | 0.2968 | 0.0653 |
| 0.7 | 307.5 | 0.1768 | 0.0523 |
| 0.7 | 322.5 | 0.233 | 0.1454 |
| 0.7 | 337.5 | 0.1712 | 0.0495 |
| 0.7 | 352.5 | 0.2663 | 0.0601 |
| 0.9 | 7.5 | 0.5232 | 0.0587 |
| 0.9 | 22.5 | 0.4722 | 0.0546 |
| 0.9 | 37.5 | 0.3163 | 0.0361 |
| 0.9 | 52.5 | 0.4801 | 0.0636 |
| 0.9 | 67.5 | 0.5619 | 0.0762 |
| 0.9 | 82.5 | 0.4697 | 0.0512 |
| 0.9 | 97.5 | 0.5937 | 0.0575 |
| 0.9 | 112.5 | 0.639 | 0.0775 |
| 0.9 | 127.5 | 0.523 | 0.0621 |
| 0.9 | 142.5 | 0.5198 | 0.0657 |
| 0.9 | 157.5 | 0.6107 | 0.0648 |
| 0.9 | 172.5 | 0.6266 | 0.0725 |
| 0.9 | 187.5 | 0.5328 | 0.0619 |
| 0.9 | 202.5 | 0.5883 | 0.0723 |
| 0.9 | 217.5 | 0.5338 | 0.0588 |
| 0.9 | 232.5 | 0.5417 | 0.0664 |
| 0.9 | 247.5 | 0.5131 | 0.0664 |
| 0.9 | 262.5 | 0.47 | 0.0618 |
| 0.9 | 277.5 | 0.4322 | 0.0552 |
| 0.9 | 292.5 | 0.511 | 0.0695 |
| 0.9 | 307.5 | 0.4058 | 0.0549 |
| 0.9 | 322.5 | 0.4555 | 0.0542 |
| 0.9 | 337.5 | 0.5273 | 0.0599 |
| 0.9 | 352.5 | 0.4645 | 0.0533 |
Experiment comment: