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Experiment: Measurement of ep→e′nπ+ at 1.6<W<2.0 GeV and extraction of nucleon resonance electrocoupling at CLAS, 2014
Spokespersons: K. Park, V.D. Burkert, I.G. Aznauryan
Experiment comment: polarization of electron beam : ~80%
Publication:
	Quantity measured: dσ/dΩ, mcbn/rad
	
	
	Differential cross section.
	
	
	Beam: e, polarization: polarized
	
	Target: p (Z=1, A=1), polarization: none
	
	Final state: π+n, polarization: none
	
| Q2 : | 3.15 GeV2 | |
|---|---|---|
| W : | 1.725 GeV | |
| Ebeam : | 5.499 GeV | 
| Select data slice: cos(θ) = | Observable quantity measured (Y axis): dσ/dΩ, mcbn/rad Parameter (X axis): φ, degree | 
Click here to get data in text file, delimited with tabs.
Measured data:
| cos(θ) | φ, degree | dσ/dΩ, mcbn/rad | Data errors, mcbn/rad | Systematic errors, mcbn/rad | 
|---|---|---|---|---|
| -0.9 | 15 | 0.0979 | 0.0176 | 0.0062 | 
| -0.9 | 45 | 0.1721 | 0.0345 | 0.0155 | 
| -0.9 | 75 | 0.1331 | 0.0333 | 0.0151 | 
| -0.9 | 105 | 0.123 | 0.032 | 0.0156 | 
| -0.9 | 135 | 0.1006 | 0.03 | 0.0122 | 
| -0.9 | 165 | 0.1479 | 0.0382 | 0.0217 | 
| -0.9 | 195 | 0.1339 | 0.0315 | 0.0211 | 
| -0.9 | 225 | 0.1289 | 0.0358 | 0.0172 | 
| -0.9 | 255 | 0.1156 | 0.0229 | 0.0115 | 
| -0.9 | 285 | 0.1476 | 0.0332 | 0.0138 | 
| -0.9 | 315 | 0.1971 | 0.0405 | 0.0147 | 
| -0.7 | 15 | 0.1441 | 0.0331 | 0.0117 | 
| -0.7 | 45 | 0.1967 | 0.0322 | 0.014 | 
| -0.7 | 75 | 0.128 | 0.0248 | 0.0126 | 
| -0.7 | 105 | 0.1241 | 0.0209 | 0.0083 | 
| -0.7 | 135 | 0.11 | 0.0254 | 0.0122 | 
| -0.7 | 165 | 0.1046 | 0.0218 | 0.0121 | 
| -0.7 | 195 | 0.1394 | 0.0268 | 0.012 | 
| -0.7 | 225 | 0.1269 | 0.0203 | 0.0086 | 
| -0.7 | 255 | 0.1271 | 0.0226 | 0.0104 | 
| -0.7 | 285 | 0.1096 | 0.0194 | 0.0127 | 
| -0.7 | 315 | 0.1776 | 0.0364 | 0.0133 | 
| -0.7 | 345 | 0.1949 | 0.0544 | 0.016 | 
| -0.5 | 45 | 0.1465 | 0.0316 | 0.0073 | 
| -0.5 | 75 | 0.1891 | 0.031 | 0.0093 | 
| -0.5 | 105 | 0.1818 | 0.027 | 0.0076 | 
| -0.5 | 135 | 0.1463 | 0.0221 | 0.0056 | 
| -0.5 | 165 | 0.1507 | 0.0251 | 0.0084 | 
| -0.5 | 195 | 0.1336 | 0.0228 | 0.0078 | 
| -0.5 | 225 | 0.1701 | 0.0258 | 0.0063 | 
| -0.5 | 255 | 0.1602 | 0.0243 | 0.0217 | 
| -0.5 | 285 | 0.1885 | 0.0381 | 0.0094 | 
| -0.5 | 315 | 0.1365 | 0.032 | 0.0068 | 
| -0.3 | 15 | 0.0828 | 0.0252 | 0.0027 | 
| -0.3 | 45 | 0.1852 | 0.0398 | 0.0076 | 
| -0.3 | 75 | 0.1837 | 0.033 | 0.0099 | 
| -0.3 | 105 | 0.2365 | 0.0305 | 0.012 | 
| -0.3 | 135 | 0.2034 | 0.0308 | 0.0104 | 
| -0.3 | 165 | 0.1708 | 0.0229 | 0.0084 | 
| -0.3 | 195 | 0.1313 | 0.0168 | 0.0078 | 
| -0.3 | 225 | 0.1941 | 0.0269 | 0.008 | 
| -0.3 | 255 | 0.2192 | 0.0285 | 0.0117 | 
| -0.3 | 285 | 0.2139 | 0.0334 | 0.0096 | 
| -0.1 | 15 | 0.1441 | 0.0478 | 0.0224 | 
| -0.1 | 45 | 0.267 | 0.0608 | 0.0248 | 
| -0.1 | 75 | 0.3649 | 0.0528 | 0.0336 | 
| -0.1 | 105 | 0.366 | 0.0478 | 0.0201 | 
| -0.1 | 135 | 0.3294 | 0.044 | 0.0163 | 
| -0.1 | 165 | 0.1972 | 0.0252 | 0.0091 | 
| -0.1 | 195 | 0.2259 | 0.0273 | 0.0136 | 
| -0.1 | 225 | 0.3274 | 0.0417 | 0.0335 | 
| -0.1 | 255 | 0.3352 | 0.0441 | 0.0216 | 
| -0.1 | 285 | 0.4012 | 0.0742 | 0.0248 | 
| -0.1 | 315 | 0.1778 | 0.0448 | 0.0084 | 
| 0.1 | 45 | 0.3069 | 0.0562 | 0.0159 | 
| 0.1 | 75 | 0.4548 | 0.0612 | 0.027 | 
| 0.1 | 105 | 0.3285 | 0.0459 | 0.0188 | 
| 0.1 | 135 | 0.2065 | 0.0295 | 0.0116 | 
| 0.1 | 165 | 0.1611 | 0.0178 | 0.0192 | 
| 0.1 | 195 | 0.1338 | 0.0167 | 0.008 | 
| 0.1 | 225 | 0.1566 | 0.0226 | 0.0092 | 
| 0.1 | 255 | 0.3043 | 0.0466 | 0.0185 | 
| 0.1 | 285 | 0.4212 | 0.0693 | 0.0249 | 
| 0.1 | 315 | 0.2764 | 0.0565 | 0.0167 | 
| 0.3 | 15 | 0.2172 | 0.0588 | 0.0103 | 
| 0.3 | 45 | 0.3406 | 0.0457 | 0.0183 | 
| 0.3 | 75 | 0.3976 | 0.0479 | 0.024 | 
| 0.3 | 105 | 0.4328 | 0.0624 | 0.0331 | 
| 0.3 | 135 | 0.2776 | 0.0395 | 0.0107 | 
| 0.3 | 165 | 0.121 | 0.0123 | 0.0052 | 
| 0.3 | 195 | 0.1211 | 0.0123 | 0.0044 | 
| 0.3 | 225 | 0.2582 | 0.0374 | 0.0101 | 
| 0.3 | 255 | 0.479 | 0.0713 | 0.0421 | 
| 0.3 | 285 | 0.449 | 0.0607 | 0.0271 | 
| 0.3 | 315 | 0.3924 | 0.0578 | 0.022 | 
| 0.5 | 15 | 0.2958 | 0.0598 | 0.0175 | 
| 0.5 | 45 | 0.2893 | 0.0452 | 0.0223 | 
| 0.5 | 75 | 0.4704 | 0.062 | 0.0301 | 
| 0.5 | 105 | 0.541 | 0.0831 | 0.0293 | 
| 0.5 | 135 | 0.4993 | 0.0834 | 0.0507 | 
| 0.5 | 165 | 0.2666 | 0.034 | 0.0146 | 
| 0.5 | 195 | 0.292 | 0.037 | 0.0128 | 
| 0.5 | 225 | 0.4647 | 0.075 | 0.0169 | 
| 0.5 | 255 | 0.5093 | 0.0848 | 0.0537 | 
| 0.5 | 285 | 0.3212 | 0.0487 | 0.0205 | 
| 0.5 | 315 | 0.3404 | 0.0608 | 0.0264 | 
| 0.5 | 345 | 0.317 | 0.0979 | 0.0147 | 
| 0.7 | 15 | 0.2552 | 0.0381 | 0.0114 | 
| 0.7 | 45 | 0.4985 | 0.0736 | 0.0216 | 
| 0.7 | 75 | 0.6086 | 0.0822 | 0.0421 | 
| 0.7 | 105 | 0.6659 | 0.0988 | 0.0411 | 
| 0.7 | 135 | 0.6321 | 0.0958 | 0.0371 | 
| 0.7 | 165 | 0.5626 | 0.0768 | 0.0404 | 
| 0.7 | 195 | 0.5123 | 0.0727 | 0.0274 | 
| 0.7 | 225 | 0.5401 | 0.0818 | 0.0253 | 
| 0.7 | 255 | 0.5711 | 0.0841 | 0.0372 | 
| 0.7 | 285 | 0.4974 | 0.0739 | 0.0374 | 
| 0.7 | 315 | 0.4555 | 0.0829 | 0.0195 | 
| 0.7 | 345 | 0.2659 | 0.0395 | 0.0104 | 
| 0.9 | 15 | 0.5773 | 0.0676 | 0.0089 | 
| 0.9 | 45 | 0.5195 | 0.0669 | 0.0198 | 
| 0.9 | 75 | 0.49 | 0.0556 | 0.0097 | 
| 0.9 | 105 | 0.5212 | 0.0675 | 0.0179 | 
| 0.9 | 135 | 0.5443 | 0.0698 | 0.0422 | 
| 0.9 | 165 | 0.4493 | 0.0545 | 0.0505 | 
| 0.9 | 195 | 0.449 | 0.0563 | 0.0521 | 
| 0.9 | 225 | 0.5394 | 0.0689 | 0.041 | 
| 0.9 | 255 | 0.56 | 0.0682 | 0.0248 | 
| 0.9 | 285 | 0.4511 | 0.0556 | 0.0104 | 
| 0.9 | 315 | 0.5055 | 0.0613 | 0.0211 | 
| 0.9 | 345 | 0.5457 | 0.0651 | 0.0101 |