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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 : | 1.8 GeV2 | |
---|---|---|
W : | 1.645 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 | 15 | 1.3214 | 0.1569 | 0.0408 |
-0.9 | 45 | 1.0688 | 0.1256 | 0.0502 |
-0.9 | 75 | 1.2081 | 0.1623 | 0.1347 |
-0.9 | 105 | 0.9048 | 0.1413 | 0.204 |
-0.9 | 135 | 0.9856 | 0.1435 | 0.1272 |
-0.9 | 165 | 0.6007 | 0.1971 | 0.1714 |
-0.9 | 195 | 0.8372 | 0.2332 | 0.2209 |
-0.9 | 225 | 0.9879 | 0.1541 | 0.1569 |
-0.9 | 255 | 0.6873 | 0.1058 | 0.0776 |
-0.9 | 285 | 0.9867 | 0.1428 | 0.0843 |
-0.9 | 315 | 1.1643 | 0.1416 | 0.0511 |
-0.9 | 345 | 1.3925 | 0.1767 | 0.0474 |
-0.7 | 15 | 1.0443 | 0.1518 | 0.0281 |
-0.7 | 45 | 1.226 | 0.133 | 0.0272 |
-0.7 | 75 | 1.1928 | 0.1438 | 0.0554 |
-0.7 | 105 | 1.0524 | 0.1132 | 0.0967 |
-0.7 | 135 | 0.805 | 0.0976 | 0.0875 |
-0.7 | 165 | 0.7232 | 0.1011 | 0.0993 |
-0.7 | 195 | 0.7053 | 0.1017 | 0.0973 |
-0.7 | 225 | 0.8547 | 0.101 | 0.0989 |
-0.7 | 255 | 1.1306 | 0.118 | 0.1082 |
-0.7 | 285 | 1.0092 | 0.1319 | 0.0433 |
-0.7 | 315 | 1.0612 | 0.1199 | 0.0284 |
-0.7 | 345 | 1.1574 | 0.1895 | 0.0578 |
-0.5 | 15 | 0.6949 | 0.1307 | 0.0429 |
-0.5 | 45 | 1.1862 | 0.15 | 0.067 |
-0.5 | 75 | 1.618 | 0.185 | 0.094 |
-0.5 | 105 | 1.6469 | 0.152 | 0.0935 |
-0.5 | 135 | 1.0362 | 0.1053 | 0.0559 |
-0.5 | 165 | 0.8333 | 0.0891 | 0.0343 |
-0.5 | 195 | 0.9504 | 0.1049 | 0.0401 |
-0.5 | 225 | 1.0802 | 0.109 | 0.0576 |
-0.5 | 255 | 1.5808 | 0.1453 | 0.09 |
-0.5 | 285 | 1.3981 | 0.1497 | 0.0688 |
-0.5 | 315 | 1.122 | 0.148 | 0.0455 |
-0.5 | 345 | 0.6468 | 0.1315 | 0.0341 |
-0.3 | 15 | 0.6036 | 0.1287 | 0.0201 |
-0.3 | 45 | 1.0652 | 0.1645 | 0.0549 |
-0.3 | 75 | 1.4056 | 0.1401 | 0.1007 |
-0.3 | 105 | 1.5344 | 0.1324 | 0.1354 |
-0.3 | 135 | 1.2892 | 0.1212 | 0.1681 |
-0.3 | 165 | 1.0309 | 0.0952 | 0.1843 |
-0.3 | 195 | 1.0034 | 0.0896 | 0.1761 |
-0.3 | 225 | 1.1076 | 0.1065 | 0.1449 |
-0.3 | 255 | 1.3284 | 0.1263 | 0.1204 |
-0.3 | 285 | 1.4403 | 0.1456 | 0.0932 |
-0.3 | 315 | 1.1703 | 0.2038 | 0.0596 |
-0.3 | 345 | 0.3679 | 0.0757 | 0.0121 |
-0.1 | 15 | 0.5252 | 0.0846 | 0.03 |
-0.1 | 45 | 1.0777 | 0.1783 | 0.0403 |
-0.1 | 75 | 1.3754 | 0.1366 | 0.0172 |
-0.1 | 105 | 1.4429 | 0.1256 | 0.028 |
-0.1 | 135 | 1.0788 | 0.1048 | 0.0678 |
-0.1 | 165 | 1.2144 | 0.091 | 0.1487 |
-0.1 | 195 | 1.2925 | 0.0974 | 0.1578 |
-0.1 | 225 | 1.2368 | 0.1151 | 0.0774 |
-0.1 | 255 | 1.3126 | 0.1173 | 0.0299 |
-0.1 | 285 | 1.2222 | 0.1218 | 0.0201 |
-0.1 | 345 | 0.5029 | 0.1052 | 0.0407 |
0.1 | 15 | 0.6236 | 0.1907 | 0.0456 |
0.1 | 45 | 1.1965 | 0.1353 | 0.0451 |
0.1 | 75 | 1.7224 | 0.1551 | 0.0354 |
0.1 | 105 | 1.741 | 0.1523 | 0.0366 |
0.1 | 135 | 1.0189 | 0.1116 | 0.028 |
0.1 | 165 | 1.1875 | 0.0916 | 0.0669 |
0.1 | 195 | 1.324 | 0.0972 | 0.0751 |
0.1 | 225 | 1.2294 | 0.1191 | 0.0313 |
0.1 | 255 | 1.2953 | 0.1217 | 0.0302 |
0.1 | 285 | 1.5809 | 0.1593 | 0.0328 |
0.1 | 315 | 1.2042 | 0.1663 | 0.0476 |
0.3 | 15 | 0.6595 | 0.0923 | 0.0213 |
0.3 | 45 | 1.3285 | 0.0955 | 0.028 |
0.3 | 75 | 1.9757 | 0.1463 | 0.0467 |
0.3 | 105 | 1.4897 | 0.1165 | 0.0418 |
0.3 | 135 | 1.4561 | 0.1126 | 0.0293 |
0.3 | 165 | 1.2461 | 0.0932 | 0.0367 |
0.3 | 195 | 1.1867 | 0.0867 | 0.042 |
0.3 | 225 | 1.5414 | 0.1263 | 0.0404 |
0.3 | 255 | 1.4541 | 0.1119 | 0.052 |
0.3 | 285 | 1.4233 | 0.1234 | 0.0328 |
0.3 | 315 | 1.3508 | 0.1143 | 0.0432 |
0.3 | 345 | 1.0422 | 0.1637 | 0.0502 |
0.5 | 15 | 1.1162 | 0.1356 | 0.0299 |
0.5 | 45 | 1.2178 | 0.0903 | 0.0222 |
0.5 | 75 | 2.2459 | 0.1752 | 0.0441 |
0.5 | 105 | 2.3503 | 0.2009 | 0.076 |
0.5 | 165 | 1.2242 | 0.0939 | 0.0358 |
0.5 | 195 | 1.2877 | 0.0972 | 0.0329 |
0.5 | 225 | 1.7311 | 0.1453 | 0.0726 |
0.5 | 255 | 2.2683 | 0.2218 | 0.0982 |
0.5 | 285 | 2.0654 | 0.209 | 0.062 |
0.5 | 315 | 1.2647 | 0.1131 | 0.0161 |
0.5 | 345 | 0.8871 | 0.1231 | 0.0182 |
0.7 | 15 | 0.9248 | 0.0734 | 0.0238 |
0.7 | 45 | 1.7202 | 0.1366 | 0.0379 |
0.7 | 75 | 2.6797 | 0.2046 | 0.0983 |
0.7 | 105 | 3.0823 | 0.268 | 0.1485 |
0.7 | 135 | 2.1115 | 0.1834 | 0.0755 |
0.7 | 165 | 1.3339 | 0.1097 | 0.0409 |
0.7 | 195 | 1.3631 | 0.1094 | 0.0377 |
0.7 | 225 | 1.9942 | 0.164 | 0.061 |
0.7 | 255 | 2.9746 | 0.312 | 0.0922 |
0.7 | 285 | 2.8438 | 0.2507 | 0.0792 |
0.7 | 315 | 1.538 | 0.1354 | 0.0224 |
0.7 | 345 | 1.066 | 0.0849 | 0.0236 |
0.9 | 15 | 1.338 | 0.0836 | 0.0332 |
0.9 | 45 | 1.3767 | 0.0915 | 0.0609 |
0.9 | 75 | 1.6112 | 0.1124 | 0.0482 |
0.9 | 105 | 1.8417 | 0.1427 | 0.0476 |
0.9 | 135 | 1.688 | 0.1432 | 0.0506 |
0.9 | 165 | 1.4328 | 0.128 | 0.0369 |
0.9 | 195 | 1.4369 | 0.1285 | 0.0527 |
0.9 | 225 | 1.7167 | 0.1441 | 0.0342 |
0.9 | 255 | 2.0883 | 0.1608 | 0.0508 |
0.9 | 285 | 1.6042 | 0.1132 | 0.0439 |
0.9 | 315 | 1.506 | 0.1001 | 0.0347 |
0.9 | 345 | 1.3204 | 0.0835 | 0.0407 |