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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 : | 1.665 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 | 15 | 1.2295 | 0.1402 | 0.033 |
-0.9 | 45 | 1.1134 | 0.1358 | 0.0652 |
-0.9 | 75 | 1.2188 | 0.1838 | 0.1371 |
-0.9 | 105 | 0.8714 | 0.1262 | 0.0907 |
-0.9 | 135 | 1.0127 | 0.1493 | 0.145 |
-0.9 | 165 | 0.5587 | 0.1055 | 0.1074 |
-0.9 | 195 | 0.7792 | 0.2207 | 0.1732 |
-0.9 | 225 | 1.0291 | 0.158 | 0.1692 |
-0.9 | 255 | 0.6315 | 0.0937 | 0.0763 |
-0.9 | 285 | 1.0593 | 0.1405 | 0.068 |
-0.9 | 315 | 1.1558 | 0.1385 | 0.0452 |
-0.9 | 345 | 1.3097 | 0.1453 | 0.0276 |
-0.7 | 15 | 1.0498 | 0.1539 | 0.0421 |
-0.7 | 45 | 1.2103 | 0.14 | 0.034 |
-0.7 | 75 | 1.2137 | 0.1432 | 0.0412 |
-0.7 | 105 | 1.1286 | 0.1285 | 0.1138 |
-0.7 | 135 | 0.7233 | 0.0983 | 0.103 |
-0.7 | 165 | 0.6523 | 0.0903 | 0.1002 |
-0.7 | 195 | 0.6393 | 0.0851 | 0.1052 |
-0.7 | 225 | 0.7625 | 0.0904 | 0.1057 |
-0.7 | 255 | 1.0181 | 0.1067 | 0.1024 |
-0.7 | 285 | 0.9298 | 0.1155 | 0.0638 |
-0.7 | 315 | 1.0688 | 0.1267 | 0.0222 |
-0.7 | 345 | 1.1745 | 0.1648 | 0.0391 |
-0.5 | 15 | 0.714 | 0.1241 | 0.0214 |
-0.5 | 45 | 1.0792 | 0.1481 | 0.0373 |
-0.5 | 75 | 1.4519 | 0.163 | 0.0892 |
-0.5 | 105 | 1.388 | 0.1354 | 0.0955 |
-0.5 | 135 | 0.8528 | 0.09 | 0.0306 |
-0.5 | 165 | 0.7914 | 0.0847 | 0.0172 |
-0.5 | 195 | 0.884 | 0.0906 | 0.0156 |
-0.5 | 225 | 0.9693 | 0.1018 | 0.0353 |
-0.5 | 255 | 1.538 | 0.14 | 0.1033 |
-0.5 | 285 | 1.2316 | 0.1381 | 0.0751 |
-0.5 | 315 | 0.9238 | 0.1247 | 0.0338 |
-0.5 | 345 | 0.438 | 0.0917 | 0.0168 |
-0.3 | 15 | 0.4784 | 0.1017 | 0.024 |
-0.3 | 45 | 0.9663 | 0.1596 | 0.0377 |
-0.3 | 75 | 1.4023 | 0.1499 | 0.0798 |
-0.3 | 105 | 1.5088 | 0.12 | 0.1183 |
-0.3 | 135 | 1.1812 | 0.116 | 0.0994 |
-0.3 | 165 | 1.0238 | 0.0865 | 0.0814 |
-0.3 | 195 | 0.8917 | 0.0785 | 0.0703 |
-0.3 | 225 | 1.0895 | 0.1033 | 0.0912 |
-0.3 | 255 | 1.3026 | 0.1133 | 0.1012 |
-0.3 | 285 | 1.4045 | 0.1404 | 0.0768 |
-0.3 | 315 | 1.1344 | 0.1932 | 0.0306 |
-0.1 | 15 | 0.4435 | 0.0702 | 0.0308 |
-0.1 | 45 | 0.8996 | 0.1298 | 0.0442 |
-0.1 | 75 | 1.3883 | 0.1276 | 0.0232 |
-0.1 | 105 | 1.4276 | 0.1199 | 0.0226 |
-0.1 | 135 | 1.0194 | 0.0913 | 0.0345 |
-0.1 | 165 | 1.1919 | 0.0878 | 0.0508 |
-0.1 | 195 | 1.2904 | 0.0939 | 0.0546 |
-0.1 | 225 | 1.2045 | 0.1125 | 0.0412 |
-0.1 | 255 | 1.371 | 0.1164 | 0.0232 |
-0.1 | 285 | 1.2187 | 0.1142 | 0.0228 |
0.1 | 15 | 0.565 | 0.1289 | 0.0446 |
0.1 | 45 | 1.2237 | 0.1399 | 0.0271 |
0.1 | 75 | 1.8464 | 0.1478 | 0.0327 |
0.1 | 105 | 1.8277 | 0.147 | 0.0869 |
0.1 | 135 | 1.1698 | 0.1108 | 0.0285 |
0.1 | 165 | 1.2538 | 0.0896 | 0.0268 |
0.1 | 195 | 1.3982 | 0.0977 | 0.0293 |
0.1 | 225 | 1.3925 | 0.1382 | 0.0444 |
0.1 | 255 | 1.3803 | 0.117 | 0.0393 |
0.1 | 285 | 1.6898 | 0.1544 | 0.0158 |
0.1 | 315 | 1.121 | 0.1599 | 0.0357 |
0.3 | 15 | 0.6908 | 0.1025 | 0.0125 |
0.3 | 45 | 1.4548 | 0.0992 | 0.0324 |
0.3 | 75 | 2.172 | 0.1487 | 0.0572 |
0.3 | 105 | 1.5479 | 0.112 | 0.059 |
0.3 | 135 | 1.4838 | 0.1124 | 0.0325 |
0.3 | 165 | 1.3 | 0.0859 | 0.0243 |
0.3 | 195 | 1.1252 | 0.0756 | 0.0111 |
0.3 | 225 | 1.6393 | 0.1265 | 0.0291 |
0.3 | 255 | 1.6834 | 0.1266 | 0.0582 |
0.3 | 285 | 1.5989 | 0.1396 | 0.0141 |
0.3 | 315 | 1.5012 | 0.125 | 0.0127 |
0.3 | 345 | 1.0538 | 0.166 | 0.0273 |
0.5 | 15 | 1.1664 | 0.1406 | 0.0219 |
0.5 | 45 | 1.2891 | 0.0947 | 0.0218 |
0.5 | 75 | 2.2948 | 0.1688 | 0.0371 |
0.5 | 105 | 2.4751 | 0.2021 | 0.0651 |
0.5 | 135 | 1.4045 | 0.1126 | 0.0553 |
0.5 | 165 | 1.2991 | 0.0916 | 0.0216 |
0.5 | 195 | 1.2659 | 0.0929 | 0.0261 |
0.5 | 225 | 1.6659 | 0.1369 | 0.0595 |
0.5 | 255 | 2.3037 | 0.2252 | 0.0805 |
0.5 | 285 | 2.0692 | 0.1981 | 0.0403 |
0.5 | 315 | 1.2937 | 0.1102 | 0.0191 |
0.5 | 345 | 0.912 | 0.1235 | 0.0294 |
0.7 | 15 | 0.9564 | 0.0764 | 0.0187 |
0.7 | 45 | 1.6576 | 0.1283 | 0.0478 |
0.7 | 75 | 2.7475 | 0.1998 | 0.1123 |
0.7 | 105 | 3.2241 | 0.2818 | 0.1014 |
0.7 | 135 | 2.2315 | 0.1814 | 0.0588 |
0.7 | 165 | 1.3719 | 0.1072 | 0.0525 |
0.7 | 195 | 1.3919 | 0.1058 | 0.0703 |
0.7 | 225 | 2.0287 | 0.1615 | 0.0382 |
0.7 | 255 | 3.1997 | 0.3211 | 0.1273 |
0.7 | 285 | 2.9706 | 0.2504 | 0.1236 |
0.7 | 315 | 1.5725 | 0.1391 | 0.0338 |
0.7 | 345 | 1.078 | 0.0827 | 0.0215 |
0.9 | 15 | 1.2314 | 0.0773 | 0.0225 |
0.9 | 45 | 1.3107 | 0.085 | 0.031 |
0.9 | 75 | 1.5534 | 0.1047 | 0.0564 |
0.9 | 105 | 1.8014 | 0.1325 | 0.0711 |
0.9 | 135 | 1.4707 | 0.1253 | 0.07 |
0.9 | 165 | 1.4168 | 0.118 | 0.0669 |
0.9 | 195 | 1.3282 | 0.1139 | 0.0974 |
0.9 | 225 | 1.5938 | 0.1249 | 0.0489 |
0.9 | 255 | 2.141 | 0.1572 | 0.081 |
0.9 | 285 | 1.6175 | 0.1073 | 0.0384 |
0.9 | 315 | 1.4021 | 0.0894 | 0.0413 |
0.9 | 345 | 1.3242 | 0.0816 | 0.0293 |