Measurement E141M67
| 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: | 1.89 GeV | |
| Ebeam: | 5.499 GeV | |
| Publication: | ||
| cos(θ) | φ, [degree] | dσ/dΩ, [μb/rad] | uncertainty |
|---|---|---|---|
| -0.9 | 7.5 | 0.0575 | 0.0175 |
| -0.9 | 22.5 | 0.0822 | 0.0297 |
| -0.9 | 37.5 | 0.0379 | 0.0217 |
| -0.9 | 52.5 | 0.0862 | 0.0263 |
| -0.9 | 67.5 | 0.0571 | 0.0243 |
| -0.9 | 82.5 | 0.0808 | 0.0295 |
| -0.9 | 97.5 | 0.1216 | 0.0417 |
| -0.9 | 112.5 | 0.1 | 0.0282 |
| -0.9 | 127.5 | 0.0577 | 0.0196 |
| -0.9 | 142.5 | 0.0506 | 0.0168 |
| -0.9 | 157.5 | 0.0405 | 0.0149 |
| -0.9 | 172.5 | 0.0402 | 0.0135 |
| -0.9 | 187.5 | 0.0403 | 0.0142 |
| -0.9 | 202.5 | 0.0359 | 0.0158 |
| -0.9 | 217.5 | 0.0485 | 0.0205 |
| -0.9 | 232.5 | 0.0837 | 0.025 |
| -0.9 | 247.5 | 0.0519 | 0.0176 |
| -0.9 | 262.5 | 0.0998 | 0.0402 |
| -0.9 | 277.5 | 0.0701 | 0.0322 |
| -0.9 | 292.5 | 0.0808 | 0.0254 |
| -0.9 | 307.5 | 0.09 | 0.0261 |
| -0.9 | 322.5 | 0.0981 | 0.0315 |
| -0.9 | 337.5 | 0.0792 | 0.0246 |
| -0.9 | 352.5 | 0.079 | 0.0208 |
| -0.7 | 7.5 | 0.0916 | 0.0213 |
| -0.7 | 22.5 | 0.0929 | 0.0243 |
| -0.7 | 37.5 | 0.0846 | 0.0213 |
| -0.7 | 52.5 | 0.0972 | 0.0197 |
| -0.7 | 67.5 | 0.1034 | 0.0235 |
| -0.7 | 82.5 | 0.1017 | 0.0238 |
| -0.7 | 97.5 | 0.0771 | 0.0177 |
| -0.7 | 112.5 | 0.0807 | 0.024 |
| -0.7 | 127.5 | 0.038 | 0.0098 |
| -0.7 | 142.5 | 0.0397 | 0.011 |
| -0.7 | 157.5 | 0.0683 | 0.0185 |
| -0.7 | 172.5 | 0.0551 | 0.0135 |
| -0.7 | 187.5 | 0.0422 | 0.0129 |
| -0.7 | 202.5 | 0.0523 | 0.0136 |
| -0.7 | 217.5 | 0.0575 | 0.0159 |
| -0.7 | 232.5 | 0.0443 | 0.0115 |
| -0.7 | 247.5 | 0.0614 | 0.0134 |
| -0.7 | 262.5 | 0.1104 | 0.0219 |
| -0.7 | 277.5 | 0.105 | 0.0321 |
| -0.7 | 292.5 | 0.0644 | 0.0173 |
| -0.7 | 307.5 | 0.1038 | 0.021 |
| -0.7 | 322.5 | 0.1152 | 0.0237 |
| -0.7 | 337.5 | 0.082 | 0.0197 |
| -0.7 | 352.5 | 0.0622 | 0.0164 |
| -0.5 | 7.5 | 0.0648 | 0.0168 |
| -0.5 | 22.5 | 0.0564 | 0.02 |
| -0.5 | 37.5 | 0.0535 | 0.0148 |
| -0.5 | 52.5 | 0.06 | 0.0153 |
| -0.5 | 67.5 | 0.0519 | 0.0158 |
| -0.5 | 82.5 | 0.0701 | 0.0187 |
| -0.5 | 97.5 | 0.0687 | 0.0151 |
| -0.5 | 112.5 | 0.0577 | 0.0127 |
| -0.5 | 127.5 | 0.0258 | 0.007 |
| -0.5 | 142.5 | 0.0481 | 0.0104 |
| -0.5 | 157.5 | 0.0106 | 0.0041 |
| -0.5 | 172.5 | 0.0232 | 0.0062 |
| -0.5 | 187.5 | 0.0291 | 0.0074 |
| -0.5 | 202.5 | 0.0345 | 0.009 |
| -0.5 | 217.5 | 0.0424 | 0.0095 |
| -0.5 | 232.5 | 0.0372 | 0.0096 |
| -0.5 | 247.5 | 0.056 | 0.0116 |
| -0.5 | 262.5 | 0.0717 | 0.0147 |
| -0.5 | 277.5 | 0.0514 | 0.014 |
| -0.5 | 292.5 | 0.0684 | 0.0187 |
| -0.5 | 307.5 | 0.0687 | 0.017 |
| -0.5 | 322.5 | 0.0875 | 0.025 |
| -0.5 | 337.5 | 0.0585 | 0.0274 |
| -0.5 | 352.5 | 0.0584 | 0.0172 |
| -0.3 | 22.5 | 0.0805 | 0.0242 |
| -0.3 | 37.5 | 0.1098 | 0.0273 |
| -0.3 | 52.5 | 0.125 | 0.04 |
| -0.3 | 67.5 | 0.0959 | 0.0269 |
| -0.3 | 82.5 | 0.0468 | 0.0128 |
| -0.3 | 97.5 | 0.0898 | 0.0166 |
| -0.3 | 112.5 | 0.0576 | 0.0126 |
| -0.3 | 127.5 | 0.0703 | 0.0145 |
| -0.3 | 142.5 | 0.0533 | 0.0115 |
| -0.3 | 157.5 | 0.0218 | 0.0062 |
| -0.3 | 172.5 | 0.0296 | 0.0061 |
| -0.3 | 187.5 | 0.0387 | 0.0069 |
| -0.3 | 202.5 | 0.0423 | 0.0092 |
| -0.3 | 217.5 | 0.0414 | 0.0099 |
| -0.3 | 232.5 | 0.0494 | 0.0103 |
| -0.3 | 247.5 | 0.0689 | 0.0134 |
| -0.3 | 262.5 | 0.0717 | 0.0152 |
| -0.3 | 277.5 | 0.0627 | 0.0138 |
| -0.3 | 292.5 | 0.1208 | 0.0385 |
| -0.3 | 307.5 | 0.0488 | 0.0315 |
| -0.1 | 22.5 | 0.091 | 0.0272 |
| -0.1 | 52.5 | 0.1451 | 0.0419 |
| -0.1 | 67.5 | 0.1416 | 0.0423 |
| -0.1 | 82.5 | 0.1345 | 0.0276 |
| -0.1 | 97.5 | 0.1067 | 0.0204 |
| -0.1 | 112.5 | 0.0741 | 0.0143 |
| -0.1 | 127.5 | 0.0436 | 0.0108 |
| -0.1 | 142.5 | 0.0717 | 0.0135 |
| -0.1 | 157.5 | 0.056 | 0.011 |
| -0.1 | 172.5 | 0.0465 | 0.0077 |
| -0.1 | 187.5 | 0.0488 | 0.0075 |
| -0.1 | 202.5 | 0.05 | 0.0096 |
| -0.1 | 217.5 | 0.0575 | 0.0117 |
| -0.1 | 232.5 | 0.112 | 0.0212 |
| -0.1 | 247.5 | 0.0947 | 0.0122 |
| -0.1 | 262.5 | 0.177 | 0.0204 |
| -0.1 | 277.5 | 0.088 | 0.0276 |
| -0.1 | 292.5 | 0.0922 | 0.0408 |
| 0.1 | 37.5 | 0.1244 | 0.0542 |
| 0.1 | 52.5 | 0.0773 | 0.0359 |
| 0.1 | 67.5 | 0.0758 | 0.0263 |
| 0.1 | 82.5 | 0.0858 | 0.0297 |
| 0.1 | 97.5 | 0.1289 | 0.0333 |
| 0.1 | 112.5 | 0.1044 | 0.0274 |
| 0.1 | 127.5 | 0.0771 | 0.0214 |
| 0.1 | 142.5 | 0.0835 | 0.0179 |
| 0.1 | 157.5 | 0.0462 | 0.01 |
| 0.1 | 172.5 | 0.0571 | 0.0097 |
| 0.1 | 187.5 | 0.0498 | 0.0088 |
| 0.1 | 202.5 | 0.0491 | 0.0102 |
| 0.1 | 217.5 | 0.0979 | 0.0203 |
| 0.1 | 232.5 | 0.0693 | 0.02 |
| 0.1 | 247.5 | 0.1502 | 0.045 |
| 0.1 | 277.5 | 0.1707 | 0.065 |
| 0.1 | 292.5 | 0.0541 | 0.0487 |
| 0.3 | 37.5 | 0.0528 | 0.0224 |
| 0.3 | 52.5 | 0.1134 | 0.0532 |
| 0.3 | 67.5 | 0.1374 | 0.0352 |
| 0.3 | 82.5 | 0.1563 | 0.0496 |
| 0.3 | 97.5 | 0.0984 | 0.0343 |
| 0.3 | 112.5 | 0.1617 | 0.0755 |
| 0.3 | 127.5 | 0.1456 | 0.0357 |
| 0.3 | 142.5 | 0.0575 | 0.0155 |
| 0.3 | 157.5 | 0.0535 | 0.0117 |
| 0.3 | 172.5 | 0.0967 | 0.0132 |
| 0.3 | 187.5 | 0.1086 | 0.0142 |
| 0.3 | 202.5 | 0.0565 | 0.0129 |
| 0.3 | 217.5 | 0.1067 | 0.0227 |
| 0.3 | 232.5 | 0.073 | 0.0243 |
| 0.3 | 247.5 | 0.1382 | 0.1007 |
| 0.3 | 262.5 | 0.2294 | 0.1083 |
| 0.3 | 277.5 | 0.2435 | 0.097 |
| 0.3 | 292.5 | 0.1008 | 0.0467 |
| 0.3 | 307.5 | 0.2008 | 0.0854 |
| 0.3 | 322.5 | 0.0535 | 0.0936 |
| 0.5 | 22.5 | 0.0624 | 0.0276 |
| 0.5 | 37.5 | 0.0687 | 0.0186 |
| 0.5 | 52.5 | 0.1749 | 0.037 |
| 0.5 | 67.5 | 0.2997 | 0.0552 |
| 0.5 | 82.5 | 0.2407 | 0.0449 |
| 0.5 | 97.5 | 0.2729 | 0.063 |
| 0.5 | 112.5 | 0.2791 | 0.0674 |
| 0.5 | 127.5 | 0.3129 | 0.0727 |
| 0.5 | 142.5 | 0.2122 | 0.0499 |
| 0.5 | 157.5 | 0.2045 | 0.0441 |
| 0.5 | 172.5 | 0.1362 | 0.0259 |
| 0.5 | 187.5 | 0.1522 | 0.0296 |
| 0.5 | 202.5 | 0.1819 | 0.0386 |
| 0.5 | 217.5 | 0.1874 | 0.0743 |
| 0.5 | 232.5 | 0.2727 | 0.0638 |
| 0.5 | 247.5 | 0.2382 | 0.0747 |
| 0.5 | 262.5 | 0.2615 | 0.0694 |
| 0.5 | 277.5 | 0.2788 | 0.0743 |
| 0.5 | 292.5 | 0.1749 | 0.0531 |
| 0.5 | 307.5 | 0.2883 | 0.0843 |
| 0.5 | 322.5 | 0.1514 | 0.0444 |
| 0.7 | 7.5 | 0.0763 | 0.0269 |
| 0.7 | 22.5 | 0.1957 | 0.0557 |
| 0.7 | 37.5 | 0.1866 | 0.0439 |
| 0.7 | 52.5 | 0.2095 | 0.0425 |
| 0.7 | 67.5 | 0.1777 | 0.0412 |
| 0.7 | 82.5 | 0.3308 | 0.0587 |
| 0.7 | 97.5 | 0.519 | 0.0987 |
| 0.7 | 112.5 | 0.3823 | 0.0737 |
| 0.7 | 127.5 | 0.6167 | 0.0683 |
| 0.7 | 142.5 | 0.6454 | 0.0711 |
| 0.7 | 157.5 | 0.7931 | 0.1721 |
| 0.7 | 172.5 | 0.6239 | 0.1164 |
| 0.7 | 187.5 | 0.5636 | 0.112 |
| 0.7 | 202.5 | 0.6431 | 0.1263 |
| 0.7 | 217.5 | 0.4905 | 0.0631 |
| 0.7 | 232.5 | 0.3938 | 0.0748 |
| 0.7 | 247.5 | 0.5571 | 0.0852 |
| 0.7 | 262.5 | 0.293 | 0.0732 |
| 0.7 | 277.5 | 0.1578 | 0.0432 |
| 0.7 | 292.5 | 0.1573 | 0.0451 |
| 0.7 | 307.5 | 0.1526 | 0.0428 |
| 0.7 | 322.5 | 0.1778 | 0.0492 |
| 0.7 | 337.5 | 0.1394 | 0.0424 |
| 0.7 | 352.5 | 0.1109 | 0.0309 |
| 0.9 | 7.5 | 0.3996 | 0.0461 |
| 0.9 | 22.5 | 0.252 | 0.0301 |
| 0.9 | 37.5 | 0.2539 | 0.0322 |
| 0.9 | 52.5 | 0.3313 | 0.0425 |
| 0.9 | 67.5 | 0.5261 | 0.064 |
| 0.9 | 82.5 | 0.4185 | 0.0575 |
| 0.9 | 97.5 | 0.5269 | 0.0683 |
| 0.9 | 112.5 | 0.5089 | 0.0655 |
| 0.9 | 127.5 | 0.3277 | 0.0399 |
| 0.9 | 142.5 | 0.3937 | 0.0451 |
| 0.9 | 157.5 | 0.4465 | 0.0494 |
| 0.9 | 172.5 | 0.3119 | 0.0333 |
| 0.9 | 187.5 | 0.4121 | 0.0456 |
| 0.9 | 202.5 | 0.3429 | 0.04 |
| 0.9 | 217.5 | 0.2948 | 0.0352 |
| 0.9 | 232.5 | 0.3955 | 0.0463 |
| 0.9 | 247.5 | 0.4384 | 0.0537 |
| 0.9 | 262.5 | 0.4562 | 0.0671 |
| 0.9 | 277.5 | 0.4652 | 0.0628 |
| 0.9 | 292.5 | 0.3458 | 0.0457 |
| 0.9 | 307.5 | 0.4134 | 0.049 |
| 0.9 | 322.5 | 0.3168 | 0.0402 |
| 0.9 | 337.5 | 0.2905 | 0.0338 |
| 0.9 | 352.5 | 0.3729 | 0.0401 |
Experiment comment: