Measurement E141M22
| 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: | 1.95 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 7.5 | 0.0364 | 0.0089 |
| -0.9 | 22.5 | 0.0442 | 0.0119 |
| -0.9 | 37.5 | 0.0746 | 0.0178 |
| -0.9 | 52.5 | 0.0554 | 0.0106 |
| -0.9 | 67.5 | 0.0809 | 0.0147 |
| -0.9 | 82.5 | 0.0837 | 0.0182 |
| -0.9 | 97.5 | 0.0887 | 0.0211 |
| -0.9 | 112.5 | 0.0532 | 0.0125 |
| -0.9 | 127.5 | 0.0513 | 0.011 |
| -0.9 | 142.5 | 0.0418 | 0.0123 |
| -0.9 | 157.5 | 0.0624 | 0.0252 |
| -0.9 | 172.5 | 0.0457 | 0.0149 |
| -0.9 | 187.5 | 0.0657 | 0.0169 |
| -0.9 | 202.5 | 0.0661 | 0.0201 |
| -0.9 | 217.5 | 0.074 | 0.0209 |
| -0.9 | 232.5 | 0.0493 | 0.0119 |
| -0.9 | 247.5 | 0.0474 | 0.0114 |
| -0.9 | 262.5 | 0.0392 | 0.0109 |
| -0.9 | 277.5 | 0.0505 | 0.0137 |
| -0.9 | 292.5 | 0.0804 | 0.0186 |
| -0.9 | 307.5 | 0.0934 | 0.016 |
| -0.9 | 322.5 | 0.0661 | 0.0142 |
| -0.9 | 337.5 | 0.0419 | 0.011 |
| -0.9 | 352.5 | 0.0429 | 0.0084 |
| -0.7 | 7.5 | 0.1108 | 0.0226 |
| -0.7 | 22.5 | 0.1054 | 0.0219 |
| -0.7 | 37.5 | 0.1538 | 0.0222 |
| -0.7 | 52.5 | 0.1952 | 0.0238 |
| -0.7 | 67.5 | 0.1719 | 0.023 |
| -0.7 | 82.5 | 0.1513 | 0.0245 |
| -0.7 | 97.5 | 0.1053 | 0.0163 |
| -0.7 | 112.5 | 0.1182 | 0.0161 |
| -0.7 | 127.5 | 0.0919 | 0.0139 |
| -0.7 | 142.5 | 0.059 | 0.0123 |
| -0.7 | 157.5 | 0.0454 | 0.0095 |
| -0.7 | 172.5 | 0.0476 | 0.0094 |
| -0.7 | 187.5 | 0.0359 | 0.0072 |
| -0.7 | 202.5 | 0.0406 | 0.0084 |
| -0.7 | 217.5 | 0.0923 | 0.0166 |
| -0.7 | 232.5 | 0.077 | 0.0124 |
| -0.7 | 247.5 | 0.1013 | 0.0139 |
| -0.7 | 262.5 | 0.0998 | 0.0153 |
| -0.7 | 277.5 | 0.1226 | 0.0242 |
| -0.7 | 292.5 | 0.127 | 0.0176 |
| -0.7 | 307.5 | 0.1412 | 0.0182 |
| -0.7 | 322.5 | 0.1341 | 0.019 |
| -0.7 | 337.5 | 0.1131 | 0.0198 |
| -0.7 | 352.5 | 0.0731 | 0.0128 |
| -0.5 | 7.5 | 0.0974 | 0.0177 |
| -0.5 | 22.5 | 0.0677 | 0.016 |
| -0.5 | 37.5 | 0.0801 | 0.0139 |
| -0.5 | 52.5 | 0.1485 | 0.0181 |
| -0.5 | 67.5 | 0.1587 | 0.0253 |
| -0.5 | 82.5 | 0.1509 | 0.0265 |
| -0.5 | 97.5 | 0.1127 | 0.0145 |
| -0.5 | 112.5 | 0.0588 | 0.0084 |
| -0.5 | 127.5 | 0.082 | 0.0119 |
| -0.5 | 142.5 | 0.0451 | 0.0093 |
| -0.5 | 157.5 | 0.0352 | 0.007 |
| -0.5 | 172.5 | 0.0282 | 0.0051 |
| -0.5 | 187.5 | 0.0194 | 0.004 |
| -0.5 | 202.5 | 0.0332 | 0.006 |
| -0.5 | 217.5 | 0.0409 | 0.0083 |
| -0.5 | 232.5 | 0.0505 | 0.0079 |
| -0.5 | 247.5 | 0.0888 | 0.0105 |
| -0.5 | 262.5 | 0.1114 | 0.0139 |
| -0.5 | 277.5 | 0.1134 | 0.0221 |
| -0.5 | 292.5 | 0.1274 | 0.019 |
| -0.5 | 307.5 | 0.0917 | 0.0123 |
| -0.5 | 322.5 | 0.0906 | 0.0144 |
| -0.5 | 337.5 | 0.0924 | 0.0214 |
| -0.5 | 352.5 | 0.0943 | 0.0163 |
| -0.3 | 7.5 | 0.0754 | 0.0168 |
| -0.3 | 22.5 | 0.1048 | 0.0262 |
| -0.3 | 37.5 | 0.0727 | 0.0148 |
| -0.3 | 52.5 | 0.0949 | 0.0159 |
| -0.3 | 67.5 | 0.0987 | 0.0205 |
| -0.3 | 82.5 | 0.1385 | 0.021 |
| -0.3 | 97.5 | 0.1538 | 0.0192 |
| -0.3 | 112.5 | 0.0961 | 0.0119 |
| -0.3 | 127.5 | 0.0369 | 0.0077 |
| -0.3 | 142.5 | 0.0561 | 0.01 |
| -0.3 | 157.5 | 0.0324 | 0.0058 |
| -0.3 | 172.5 | 0.0315 | 0.0048 |
| -0.3 | 187.5 | 0.0328 | 0.005 |
| -0.3 | 202.5 | 0.0542 | 0.0085 |
| -0.3 | 217.5 | 0.0523 | 0.01 |
| -0.3 | 232.5 | 0.0756 | 0.0115 |
| -0.3 | 247.5 | 0.0687 | 0.0102 |
| -0.3 | 262.5 | 0.0807 | 0.012 |
| -0.3 | 277.5 | 0.1105 | 0.016 |
| -0.3 | 292.5 | 0.0736 | 0.017 |
| -0.3 | 307.5 | 0.0443 | 0.0103 |
| -0.3 | 322.5 | 0.0877 | 0.0276 |
| -0.3 | 352.5 | 0.0431 | 0.011 |
| -0.1 | 7.5 | 0.0675 | 0.0269 |
| -0.1 | 22.5 | 0.0512 | 0.0152 |
| -0.1 | 37.5 | 0.0738 | 0.015 |
| -0.1 | 52.5 | 0.0941 | 0.0225 |
| -0.1 | 67.5 | 0.0889 | 0.023 |
| -0.1 | 82.5 | 0.1123 | 0.0164 |
| -0.1 | 97.5 | 0.1246 | 0.0199 |
| -0.1 | 112.5 | 0.1168 | 0.0162 |
| -0.1 | 127.5 | 0.0882 | 0.0138 |
| -0.1 | 142.5 | 0.0441 | 0.008 |
| -0.1 | 157.5 | 0.0653 | 0.0084 |
| -0.1 | 172.5 | 0.0654 | 0.0069 |
| -0.1 | 187.5 | 0.0449 | 0.0055 |
| -0.1 | 202.5 | 0.0768 | 0.0087 |
| -0.1 | 217.5 | 0.0737 | 0.0107 |
| -0.1 | 232.5 | 0.0695 | 0.0115 |
| -0.1 | 247.5 | 0.0638 | 0.0097 |
| -0.1 | 262.5 | 0.1099 | 0.0147 |
| -0.1 | 277.5 | 0.0986 | 0.0169 |
| -0.1 | 292.5 | 0.1055 | 0.0402 |
| -0.1 | 322.5 | 0.06 | 0.0234 |
| 0.1 | 22.5 | 0.0766 | 0.0209 |
| 0.1 | 37.5 | 0.1583 | 0.0349 |
| 0.1 | 52.5 | 0.272 | 0.0759 |
| 0.1 | 67.5 | 0.3043 | 0.0585 |
| 0.1 | 82.5 | 0.2179 | 0.0465 |
| 0.1 | 97.5 | 0.2484 | 0.0386 |
| 0.1 | 112.5 | 0.1413 | 0.0255 |
| 0.1 | 127.5 | 0.0646 | 0.0159 |
| 0.1 | 142.5 | 0.1035 | 0.0155 |
| 0.1 | 157.5 | 0.1116 | 0.0157 |
| 0.1 | 172.5 | 0.1014 | 0.0121 |
| 0.1 | 187.5 | 0.0933 | 0.0117 |
| 0.1 | 202.5 | 0.0961 | 0.0144 |
| 0.1 | 217.5 | 0.0872 | 0.0139 |
| 0.1 | 232.5 | 0.1038 | 0.018 |
| 0.1 | 247.5 | 0.1116 | 0.0237 |
| 0.1 | 262.5 | 0.1628 | 0.0362 |
| 0.1 | 277.5 | 0.2949 | 0.0748 |
| 0.1 | 292.5 | 0.2477 | 0.058 |
| 0.1 | 322.5 | 0.1623 | 0.0687 |
| 0.3 | 22.5 | 0.0492 | 0.0103 |
| 0.3 | 37.5 | 0.0922 | 0.0274 |
| 0.3 | 52.5 | 0.1458 | 0.0322 |
| 0.3 | 67.5 | 0.2348 | 0.0376 |
| 0.3 | 82.5 | 0.3449 | 0.0506 |
| 0.3 | 97.5 | 0.364 | 0.0546 |
| 0.3 | 112.5 | 0.3232 | 0.0545 |
| 0.3 | 127.5 | 0.2076 | 0.0329 |
| 0.3 | 157.5 | 0.2101 | 0.0278 |
| 0.3 | 172.5 | 0.2118 | 0.0216 |
| 0.3 | 187.5 | 0.2404 | 0.0231 |
| 0.3 | 202.5 | 0.3129 | 0.0342 |
| 0.3 | 217.5 | 0.2255 | 0.0307 |
| 0.3 | 232.5 | 0.2075 | 0.0398 |
| 0.3 | 247.5 | 0.2135 | 0.0463 |
| 0.3 | 262.5 | 0.3324 | 0.1002 |
| 0.3 | 277.5 | 0.409 | 0.0917 |
| 0.3 | 292.5 | 0.26 | 0.0553 |
| 0.3 | 307.5 | 0.2247 | 0.0517 |
| 0.3 | 322.5 | 0.1898 | 0.0707 |
| 0.3 | 337.5 | 0.0491 | 0.0224 |
| 0.5 | 22.5 | 0.058 | 0.0192 |
| 0.5 | 37.5 | 0.0807 | 0.0124 |
| 0.5 | 52.5 | 0.2188 | 0.0275 |
| 0.5 | 67.5 | 0.3193 | 0.036 |
| 0.5 | 82.5 | 0.4196 | 0.0489 |
| 0.5 | 97.5 | 0.2933 | 0.039 |
| 0.5 | 112.5 | 0.3589 | 0.0547 |
| 0.5 | 127.5 | 0.3303 | 0.0546 |
| 0.5 | 142.5 | 0.2229 | 0.0325 |
| 0.5 | 157.5 | 0.2373 | 0.0283 |
| 0.5 | 172.5 | 0.1595 | 0.0172 |
| 0.5 | 187.5 | 0.1638 | 0.0186 |
| 0.5 | 202.5 | 0.2327 | 0.0272 |
| 0.5 | 217.5 | 0.1327 | 0.0238 |
| 0.5 | 232.5 | 0.2882 | 0.0719 |
| 0.5 | 247.5 | 0.1939 | 0.0465 |
| 0.5 | 262.5 | 0.3431 | 0.0661 |
| 0.5 | 277.5 | 0.4761 | 0.0805 |
| 0.5 | 292.5 | 0.3835 | 0.0574 |
| 0.5 | 307.5 | 0.2173 | 0.0322 |
| 0.5 | 322.5 | 0.1237 | 0.0215 |
| 0.7 | 7.5 | 0.2072 | 0.0652 |
| 0.7 | 22.5 | 0.2009 | 0.0369 |
| 0.7 | 37.5 | 0.1902 | 0.019 |
| 0.7 | 52.5 | 0.2196 | 0.0208 |
| 0.7 | 67.5 | 0.344 | 0.0394 |
| 0.7 | 82.5 | 0.4753 | 0.0512 |
| 0.7 | 97.5 | 0.6359 | 0.0758 |
| 0.7 | 112.5 | 0.6715 | 0.0792 |
| 0.7 | 127.5 | 0.6034 | 0.078 |
| 0.7 | 142.5 | 0.5425 | 0.0745 |
| 0.7 | 157.5 | 0.8571 | 0.105 |
| 0.7 | 172.5 | 0.9574 | 0.1171 |
| 0.7 | 187.5 | 0.9996 | 0.1172 |
| 0.7 | 202.5 | 0.9026 | 0.108 |
| 0.7 | 217.5 | 0.9471 | 0.1202 |
| 0.7 | 232.5 | 0.8067 | 0.1011 |
| 0.7 | 247.5 | 0.5056 | 0.0731 |
| 0.7 | 262.5 | 0.3154 | 0.1279 |
| 0.7 | 277.5 | 0.4797 | 0.0711 |
| 0.7 | 292.5 | 0.2928 | 0.0413 |
| 0.7 | 307.5 | 0.2105 | 0.0281 |
| 0.7 | 322.5 | 0.1416 | 0.0211 |
| 0.7 | 337.5 | 0.1131 | 0.0288 |
| 0.7 | 352.5 | 0.2654 | 0.0824 |
| 0.9 | 7.5 | 0.3322 | 0.0211 |
| 0.9 | 22.5 | 0.2818 | 0.0202 |
| 0.9 | 37.5 | 0.358 | 0.0257 |
| 0.9 | 52.5 | 0.3725 | 0.0293 |
| 0.9 | 67.5 | 0.4585 | 0.0355 |
| 0.9 | 82.5 | 0.4787 | 0.0398 |
| 0.9 | 97.5 | 0.4816 | 0.0364 |
| 0.9 | 112.5 | 0.3269 | 0.0225 |
| 0.9 | 127.5 | 0.3253 | 0.0212 |
| 0.9 | 142.5 | 0.4014 | 0.0254 |
| 0.9 | 157.5 | 0.4262 | 0.0271 |
| 0.9 | 172.5 | 0.3975 | 0.0255 |
| 0.9 | 187.5 | 0.368 | 0.0238 |
| 0.9 | 202.5 | 0.3856 | 0.0251 |
| 0.9 | 217.5 | 0.4174 | 0.0263 |
| 0.9 | 232.5 | 0.3408 | 0.0235 |
| 0.9 | 247.5 | 0.3631 | 0.0239 |
| 0.9 | 277.5 | 0.4542 | 0.041 |
| 0.9 | 307.5 | 0.3287 | 0.0273 |
| 0.9 | 322.5 | 0.3547 | 0.0262 |
| 0.9 | 337.5 | 0.2796 | 0.0205 |
| 0.9 | 352.5 | 0.3449 | 0.0221 |
Experiment comment: