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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 : | 4 GeV2 | |
---|---|---|
W : | 1.665 GeV | |
Ebeam : | 5.499 GeV |
Select data slice:
cos(θ) = |
Observable quantity measured (Y axis): dσ/dΩ, mcbn/rad
Parameter (X axis): φ, degree |
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to view sliced data.
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to view 3D plot of the data.
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 | 45 | 0.0747 | 0.022 | 0.0029 |
-0.9 | 75 | 0.0938 | 0.038 | 0.016 |
-0.9 | 105 | 0.1201 | 0.0328 | 0.0133 |
-0.9 | 135 | 0.1803 | 0.0391 | 0.0087 |
-0.9 | 225 | 0.077 | 0.0205 | 0.0038 |
-0.9 | 255 | 0.1491 | 0.0358 | 0.0056 |
-0.9 | 285 | 0.1478 | 0.0383 | 0.0127 |
-0.9 | 315 | 0.1482 | 0.0361 | 0.0045 |
-0.9 | 345 | 0.1074 | 0.0287 | 0.0039 |
-0.7 | 45 | 0.1351 | 0.0376 | 0.0056 |
-0.7 | 75 | 0.1328 | 0.0385 | 0.0041 |
-0.7 | 105 | 0.1918 | 0.049 | 0.004 |
-0.7 | 135 | 0.1869 | 0.0531 | 0.005 |
-0.7 | 165 | 0.1408 | 0.0343 | 0.0027 |
-0.7 | 195 | 0.1775 | 0.0448 | 0.0031 |
-0.7 | 225 | 0.1596 | 0.041 | 0.006 |
-0.7 | 255 | 0.1663 | 0.0469 | 0.0041 |
-0.7 | 285 | 0.1441 | 0.0399 | 0.0037 |
-0.7 | 315 | 0.0298 | 0.0086 | 0.0021 |
-0.5 | 15 | 0.0348 | 0.0136 | 0.0035 |
-0.5 | 45 | 0.1476 | 0.0477 | 0.0099 |
-0.5 | 75 | 0.2069 | 0.0484 | 0.0264 |
-0.5 | 105 | 0.1921 | 0.0403 | 0.007 |
-0.5 | 135 | 0.1383 | 0.0346 | 0.0057 |
-0.5 | 165 | 0.1786 | 0.0369 | 0.018 |
-0.5 | 195 | 0.1285 | 0.0281 | 0.0129 |
-0.5 | 225 | 0.1704 | 0.0451 | 0.0073 |
-0.5 | 255 | 0.2274 | 0.0504 | 0.0116 |
-0.5 | 285 | 0.122 | 0.0383 | 0.0033 |
-0.3 | 15 | 0.1118 | 0.0443 | 0.0139 |
-0.3 | 45 | 0.1432 | 0.0477 | 0.0083 |
-0.3 | 75 | 0.2082 | 0.0574 | 0.0038 |
-0.3 | 105 | 0.1791 | 0.0365 | 0.003 |
-0.3 | 135 | 0.2325 | 0.0442 | 0.0119 |
-0.3 | 165 | 0.1878 | 0.0382 | 0.0203 |
-0.3 | 195 | 0.3017 | 0.0575 | 0.0326 |
-0.3 | 225 | 0.2594 | 0.0502 | 0.0128 |
-0.3 | 255 | 0.1921 | 0.0414 | 0.0081 |
-0.3 | 285 | 0.2595 | 0.0717 | 0.0043 |
-0.3 | 315 | 0.0632 | 0.0257 | 0.004 |
-0.1 | 45 | 0.1642 | 0.0503 | 0.0038 |
-0.1 | 75 | 0.1942 | 0.0463 | 0.0019 |
-0.1 | 105 | 0.1767 | 0.0431 | 0.0011 |
-0.1 | 135 | 0.1959 | 0.037 | 0.0058 |
-0.1 | 165 | 0.2428 | 0.0397 | 0.0063 |
-0.1 | 195 | 0.22 | 0.0378 | 0.0182 |
-0.1 | 225 | 0.27 | 0.0508 | 0.0115 |
-0.1 | 255 | 0.1989 | 0.0473 | 0.0011 |
-0.1 | 285 | 0.1749 | 0.0513 | 0.0018 |
-0.1 | 315 | 0.0833 | 0.0277 | 0.0019 |
0.1 | 45 | 0.1247 | 0.0379 | 0.0009 |
0.1 | 75 | 0.205 | 0.0419 | 0.0011 |
0.1 | 105 | 0.2482 | 0.0687 | 0.0024 |
0.1 | 135 | 0.1978 | 0.043 | 0.0165 |
0.1 | 165 | 0.1535 | 0.026 | 0.0039 |
0.1 | 195 | 0.1873 | 0.0335 | 0.0127 |
0.1 | 225 | 0.1376 | 0.0289 | 0.0046 |
0.1 | 255 | 0.2401 | 0.066 | 0.0064 |
0.1 | 285 | 0.2275 | 0.0629 | 0.0075 |
0.1 | 315 | 0.2243 | 0.0668 | 0.0022 |
0.3 | 45 | 0.2418 | 0.0438 | 0.0017 |
0.3 | 75 | 0.2705 | 0.0489 | 0.0074 |
0.3 | 105 | 0.2602 | 0.0504 | 0.0103 |
0.3 | 135 | 0.2039 | 0.0544 | 0.0107 |
0.3 | 165 | 0.1031 | 0.0179 | 0.0082 |
0.3 | 195 | 0.1422 | 0.0228 | 0.0112 |
0.3 | 225 | 0.2105 | 0.0436 | 0.0198 |
0.3 | 255 | 0.1633 | 0.0351 | 0.015 |
0.3 | 285 | 0.1992 | 0.0432 | 0.0016 |
0.3 | 315 | 0.2966 | 0.0722 | 0.0133 |
0.3 | 345 | 0.7999 | 0.5758 | 0.0565 |
0.5 | 15 | 0.1006 | 0.0379 | 0.0161 |
0.5 | 45 | 0.2158 | 0.0528 | 0.0085 |
0.5 | 75 | 0.2035 | 0.0459 | 0.0031 |
0.5 | 105 | 0.2175 | 0.0636 | 0.0079 |
0.5 | 135 | 0.2853 | 0.0733 | 0.0105 |
0.5 | 165 | 0.2141 | 0.0417 | 0.0086 |
0.5 | 195 | 0.1943 | 0.0384 | 0.0072 |
0.5 | 225 | 0.1657 | 0.0464 | 0.0061 |
0.5 | 255 | 0.2661 | 0.0573 | 0.0086 |
0.5 | 285 | 0.2904 | 0.0646 | 0.0042 |
0.5 | 315 | 0.2822 | 0.085 | 0.012 |
0.5 | 345 | 0.0623 | 0.0232 | 0.013 |
0.7 | 15 | 0.1742 | 0.039 | 0.0097 |
0.7 | 45 | 0.1996 | 0.0482 | 0.0085 |
0.7 | 75 | 0.2552 | 0.054 | 0.0082 |
0.7 | 105 | 0.2137 | 0.0439 | 0.0139 |
0.7 | 135 | 0.2162 | 0.0407 | 0.0089 |
0.7 | 165 | 0.1482 | 0.0283 | 0.0083 |
0.7 | 195 | 0.1627 | 0.0294 | 0.0084 |
0.7 | 225 | 0.1927 | 0.0472 | 0.0102 |
0.7 | 255 | 0.2305 | 0.052 | 0.0124 |
0.7 | 285 | 0.2684 | 0.062 | 0.0336 |
0.7 | 315 | 0.2523 | 0.0588 | 0.0159 |
0.7 | 345 | 0.2808 | 0.0613 | 0.0134 |
0.9 | 15 | 0.2175 | 0.0348 | 0.0105 |
0.9 | 45 | 0.2143 | 0.0376 | 0.0105 |
0.9 | 75 | 0.1843 | 0.0383 | 0.0086 |
0.9 | 105 | 0.1844 | 0.0341 | 0.0112 |
0.9 | 135 | 0.2126 | 0.0357 | 0.0181 |
0.9 | 165 | 0.2059 | 0.0374 | 0.0066 |
0.9 | 195 | 0.1935 | 0.0354 | 0.0064 |
0.9 | 225 | 0.1736 | 0.0308 | 0.0116 |
0.9 | 255 | 0.2158 | 0.0385 | 0.0112 |
0.9 | 285 | 0.2109 | 0.0386 | 0.0101 |
0.9 | 315 | 0.2046 | 0.0368 | 0.0164 |
0.9 | 345 | 0.2318 | 0.0393 | 0.012 |